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	* common : handle unicode during partial json parsing * common : set missing `ensure_ascii = true` during json dump
		
			
				
	
	
		
			630 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			630 lines
		
	
	
		
			26 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//  Tests chat handling, including grammar generation and parsing for tool calling, for various templates.
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//
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//  Also acts as a CLI to generate a Markdown summary of the formats of Jinja templates,
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//  e.g. given Minja (http://github.com/google/minja) checked out in parent dir:
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//
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//    cmake -B build && cmake --build build --parallel && ./build/bin/test-chat ../minja/build/tests/*.jinja 2>/dev/null
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//
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#include <exception>
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#include <iostream>
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#include <string>
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#include "chat-parser.h"
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#include "common.h"
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#include "log.h"
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#include "regex-partial.h"
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template <class T>
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static void assert_equals(const std::string_view label, const T & expected, const T & actual) {
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    if (expected != actual) {
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        std::cerr << label << std::endl;
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        std::cerr << "Expected: " << expected << std::endl;
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        std::cerr << "Actual: " << actual << std::endl;
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        std::cerr << std::flush;
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        throw std::runtime_error("Test failed");
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    }
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}
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template <class T>
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static void assert_equals(const T & expected, const T & actual) {
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    assert_equals("", expected, actual);
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}
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static void assert_equals(const char * expected, const std::string & actual) {
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  return assert_equals<std::string>(expected, actual);
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}
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static void assert_throws(const std::function<void()> & fn, const std::string & expected_exception_pattern = "") {
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    try {
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        fn();
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    } catch (const std::exception & e) {
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      if (expected_exception_pattern.empty()) {
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          return;
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        }
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        std::regex expected_exception_regex(expected_exception_pattern);
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        std::string actual_message = e.what();
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        if (std::regex_search(actual_message, expected_exception_regex)) {
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            return;
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        }
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        throw std::runtime_error("Exception doesn't match expected pattern: " + actual_message + " (pattern: " + expected_exception_pattern + ")");
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        throw std::runtime_error("Exception of unexpected type: " + std::string(e.what()));
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    }
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    throw std::runtime_error("Exception was expected but not thrown");
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}
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static void test_reasoning() {
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  //common_log_set_verbosity_thold(LOG_DEFAULT_DEBUG);
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  {
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    common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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    });
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    assert_equals(false, builder.try_parse_reasoning("<tnk>", "</tnk>"));
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    assert_equals("<tnk>Cogito</tnk>Ergo sum", builder.consume_rest());
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  }
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  {
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    common_chat_msg_parser builder("<tnk>Cogito</tnk>Ergo sum", /* is_partial= */ false, {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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    });
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    assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
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    assert_equals(std::string("Cogito"), builder.result().reasoning_content);
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    assert_equals("Ergo sum", builder.consume_rest());
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  }
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  {
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    common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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    });
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    assert_equals(false, builder.try_parse_reasoning("<tnk>", "</tnk>"));
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    assert_equals("Cogito</tnk>Ergo sum", builder.consume_rest());
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  }
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  {
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    common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ true,
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    });
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    assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
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    assert_equals(std::string("Cogito"), builder.result().reasoning_content);
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    assert_equals("Ergo sum", builder.consume_rest());
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  }
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  {
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    common_chat_msg_parser builder("Cogito</tnk>Ergo sum", /* is_partial= */ false, {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ true,
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        /* .thinking_forced_open = */ true,
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    });
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    assert_equals(true, builder.try_parse_reasoning("<tnk>", "</tnk>"));
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    assert_equals("<think>Cogito</think>", builder.result().content);
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    assert_equals("Ergo sum", builder.consume_rest());
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  }
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  {
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    const std::string variant("content_only_inline_think");
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    common_chat_syntax syntax = {
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        /* .format = */ COMMON_CHAT_FORMAT_CONTENT_ONLY,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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        /* .parse_tool_calls = */ false,
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    };
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    const std::string input = "<think>Pense</think>Bonjour";
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    auto msg = common_chat_parse(input, false, syntax);
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    assert_equals(variant, std::string("Pense"), msg.reasoning_content);
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    assert_equals(variant, std::string("Bonjour"), msg.content);
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  }
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  {
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    const std::string variant("llama_3_inline_think");
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    common_chat_syntax syntax = {
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        /* .format = */ COMMON_CHAT_FORMAT_LLAMA_3_X,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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        /* .parse_tool_calls = */ false,
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    };
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    const std::string input = "<think>Plan</think>Réponse";
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    auto msg = common_chat_parse(input, false, syntax);
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    assert_equals(variant, std::string("Plan"), msg.reasoning_content);
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    assert_equals(variant, std::string("Réponse"), msg.content);
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  }
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  // Test DeepSeek V3.1 parsing - reasoning content followed by "</think>" and then regular content
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  {
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    common_chat_syntax syntax = {
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        /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ true,
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        /* .parse_tool_calls = */ true,
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    };
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    const std::string variant("deepseek_v3_1_reasoning_format_deepseek");
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    common_chat_msg_parser builder("REASONING</think>ok", /* is_partial= */ false, syntax);
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    assert_equals(variant, true, builder.try_parse_reasoning("<think>", "</think>"));
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    assert_equals(variant, std::string("REASONING"), builder.result().reasoning_content);
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    assert_equals(variant, std::string("ok"), builder.consume_rest());
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  }
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  // Test DeepSeek V3.1 parsing - reasoning_format none - reasoning content followed by "</think>" and then regular content
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  {
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    common_chat_syntax syntax = {
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        /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_NONE,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ true,
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        /* .parse_tool_calls = */ true,
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    };
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    const std::string variant("deepseek_v3_1_reasoning_format_none");
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    const std::string input = "REASONING</think>ok";
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    auto msg = common_chat_parse(input, false, syntax);
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    assert_equals(variant, std::string("REASONING</think>ok"), msg.content);
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    assert_equals(variant, std::string(""), msg.reasoning_content);
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  }
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}
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static void test_regex() {
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  auto test_throws = [](const std::string & input, const std::string & regex, const std::string & expected_exception_pattern = "") {
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    common_chat_msg_parser builder(input, /* is_partial= */ false, {});
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    assert_throws([&]() { builder.consume_regex(common_regex(regex)); }, expected_exception_pattern);
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  };
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  test_throws("Hello, world!", "abc", "^abc$");
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  test_throws("Hello, world!", "e", "^e$");
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  {
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    common_chat_msg_parser builder("Hello, world!", /* is_partial= */ false, {});
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    builder.consume_regex(common_regex("Hello"));
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    assert_equals(", world!", builder.consume_rest());
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  }
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  {
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    // When in non partial mode, we can say whether the regex was consumed or not.
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    common_chat_msg_parser builder("Hello,", /* is_partial= */ false, {});
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    assert_equals(false, builder.try_consume_regex(common_regex("Hello, world!")).has_value());
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  }
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  {
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    common_chat_msg_parser builder("Hello,", /* is_partial= */ false, {});
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    auto res = builder.try_consume_regex(common_regex("H(el)l(?:o, world!)?"));
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    assert_equals(true, res.has_value());
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    // Verify captures
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    assert_equals<size_t>(2, res->groups.size());
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    assert_equals("Hell", builder.str(res->groups[0]));
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    assert_equals("el", builder.str(res->groups[1]));
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    // Verify position is after the match
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    assert_equals<size_t>(4, builder.pos());
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    assert_equals("o,", builder.consume_rest());
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  }
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  {
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    // But in partial mode, we have a partial final match / can't decide, so we throw a partial exception.
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    common_chat_msg_parser builder("Hello,", /* is_partial= */ true, {});
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    assert_throws([&]() {
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      builder.try_consume_regex(common_regex("Hello, world!"));
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    }, "^Hello, world!$");
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  }
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  // Now regardless of the mode, we can tell these aren't a match.
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  for (const auto is_partial : {false, true}) {
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    common_chat_msg_parser builder("Hello,", is_partial, {});
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    assert_equals(false, builder.try_consume_regex(common_regex("a(b|c)(d|e)f")).has_value());
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  }
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  for (const auto is_partial : {false, true}) {
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    common_chat_msg_parser builder("Hello,", is_partial, {});
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    assert_equals(false, builder.try_consume_literal("Oh"));
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  }
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}
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const std::vector<std::string> barely_healable_jsons = {
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  "{",
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  "{\"",
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  "{\"\\",
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  "{\"n",
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  "{\"name\"",
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  "{\"name\":",
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  "{\"name\":\"",
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  "{\"name\":\"\\",
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  "{\"name\":\"python",
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  "{\"name\":\"python\\",
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  "{\",",
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  "{\":",
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  "{\"[",
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  "{\"]",
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  "{\"{",
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  "{\"}",
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  "{\"1",
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  "{\"name\":\",",
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  "{\"name\":\":",
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  "{\"name\":\"[",
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  "{\"name\":\"]",
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  "{\"name\":\"{",
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  "{\"name\":\"}",
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  "{\"name\":\"1",
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};
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static void test(const std::string & input, bool is_partial, const std::vector<std::vector<std::string>> & args_paths, const std::vector<std::vector<std::string>> & content_paths, const std::string & expected) {
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  common_chat_msg_parser builder(input, is_partial, {});
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  auto js = builder.try_consume_json_with_dumped_args(args_paths, content_paths);
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  assert_equals(true, js.has_value());
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  assert_equals(is_partial, js->is_partial);
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  assert_equals(expected, args_paths.size() == 1 && args_paths[0].empty() ? js->value.get<std::string>() : js->value.dump());
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}
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static void test_deepseek_v3_1_tool_calls() {
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    //common_log_set_verbosity_thold(LOG_DEFAULT_DEBUG);
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    // variant: happy path for when it works as the model card says it should
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    const std::string variant("simple");
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    common_chat_syntax syntax = {
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        /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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        /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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        /* .reasoning_in_content = */ false,
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        /* .thinking_forced_open = */ false,
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        /* .parse_tool_calls = */ true,
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    };
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    const std::string input = "<|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>";
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    auto msg = common_chat_parse(input, false, syntax);
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    assert_equals<std::size_t>(variant, 1, msg.tool_calls.size());
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    assert_equals(variant, std::string("get_time"), msg.tool_calls[0].name);
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    // JSON arguments are dumped without spaces
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    assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), msg.tool_calls[0].arguments);
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    assert_equals(variant, std::string(""), msg.content);
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    assert_equals(variant, std::string(""), msg.reasoning_content);
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    // variant: simple + thinking open
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    {
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        common_chat_syntax syntax = {
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            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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            /* .reasoning_in_content = */ false,
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            /* .thinking_forced_open = */ true,
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            /* .parse_tool_calls = */ true,
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        };
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        const std::string variant("simple_thinking");
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        const std::string in = "REASONING</think><|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>";
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        auto m = common_chat_parse(in, false, syntax);
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        assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
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        assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
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        assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), m.tool_calls[0].arguments);
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        assert_equals(variant, std::string(""), m.content);
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        assert_equals(variant, std::string("REASONING"), m.reasoning_content);
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    }
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    // variant: simple + multiple tool calls
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    {
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        common_chat_syntax syntax = {
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            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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            /* .reasoning_in_content = */ false,
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            /* .thinking_forced_open = */ false,
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            /* .parse_tool_calls = */ true,
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        };
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        const std::string variant("simple_multiple_tool_calls");
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        const std::string in = "CONTENT<|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Paris\"}<|tool▁call▁end|><|tool▁call▁begin|>get_weather<|tool▁sep|>{\"city\": \"Paris\"}<|tool▁call▁end|><|tool▁calls▁end|>";
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        auto m = common_chat_parse(in, false, syntax);
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        assert_equals<std::size_t>(variant, 2, m.tool_calls.size());
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        assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
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        assert_equals(variant, std::string("{\"city\":\"Paris\"}"), m.tool_calls[0].arguments);
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        assert_equals(variant, std::string("get_weather"), m.tool_calls[1].name);
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        assert_equals(variant, std::string("{\"city\":\"Paris\"}"), m.tool_calls[1].arguments);
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        assert_equals(variant, std::string("CONTENT"), m.content);
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        assert_equals(variant, std::string(""), m.reasoning_content);
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    }
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    // variant: thinking forced open + tool call in reasoning content
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    {
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        common_chat_syntax syntax = {
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            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
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            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
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            /* .reasoning_in_content = */ false,
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            /* .thinking_forced_open = */ true,
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            /* .parse_tool_calls = */ true,
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        };
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        const std::string variant("thinking_forced_open_tool_call_in_reasoning");
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        const std::string in = "REASONING<|tool▁calls▁begin|><|tool▁call▁begin|>get_time2<|tool▁sep|>{\"city\": \"Tokyo2\"}<|tool▁call▁end|><|tool▁calls▁end|>REASONING</think><|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>";
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        auto m = common_chat_parse(in, false, syntax);
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        assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
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        assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
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        assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), m.tool_calls[0].arguments);
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        assert_equals(variant, std::string(""), m.content);
 | 
						||
        assert_equals(variant, std::string("REASONING<|tool▁calls▁begin|><|tool▁call▁begin|>get_time2<|tool▁sep|>{\"city\": \"Tokyo2\"}<|tool▁call▁end|><|tool▁calls▁end|>REASONING"), m.reasoning_content);
 | 
						||
    }
 | 
						||
 | 
						||
    // variant: thinking forced open + tool call in reasoning content + no closing think + not partial
 | 
						||
    //          This is a bit of a fine tuning issue on the model's part IMO. It really should not be attempting
 | 
						||
    //          to make tool calls in reasoning content according to the model card, but it does sometimes, so
 | 
						||
    //          add the reasoning content as regular content and parse the tool calls.
 | 
						||
    {
 | 
						||
        common_chat_syntax syntax = {
 | 
						||
            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
 | 
						||
            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
 | 
						||
            /* .reasoning_in_content = */ false,
 | 
						||
            /* .thinking_forced_open = */ true,
 | 
						||
            /* .parse_tool_calls = */ true,
 | 
						||
        };
 | 
						||
        const std::string variant("thinking_forced_open_tool_call_in_reasoning_no_closing_think_not_partial");
 | 
						||
        const std::string in = "REASONING<|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>";
 | 
						||
        auto m = common_chat_parse(in, false, syntax);
 | 
						||
        assert_equals(variant, std::string("REASONING"), m.content);
 | 
						||
        assert_equals(variant, std::string(""), m.reasoning_content);
 | 
						||
        assert_equals<std::size_t>(variant, 1, m.tool_calls.size());
 | 
						||
        assert_equals(variant, std::string("get_time"), m.tool_calls[0].name);
 | 
						||
        assert_equals(variant, std::string("{\"city\":\"Tokyo\"}"), m.tool_calls[0].arguments);
 | 
						||
    }
 | 
						||
 | 
						||
    // variant: thinking forced open + tool call in reasoning content + no closing think + partial
 | 
						||
    {
 | 
						||
        common_chat_syntax syntax = {
 | 
						||
            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
 | 
						||
            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
 | 
						||
            /* .reasoning_in_content = */ false,
 | 
						||
            /* .thinking_forced_open = */ true,
 | 
						||
            /* .parse_tool_calls = */ true,
 | 
						||
        };
 | 
						||
        const std::string variant("thinking_forced_open_tool_call_in_reasoning_no_closing_think_partial");
 | 
						||
        const std::string in = "REASONING<|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>";
 | 
						||
        auto m = common_chat_parse(in, /* is_partial= */ true, syntax);
 | 
						||
        assert_equals(variant, std::string("REASONING<|tool▁calls▁begin|><|tool▁call▁begin|>get_time<|tool▁sep|>{\"city\": \"Tokyo\"}<|tool▁call▁end|><|tool▁calls▁end|>"), m.reasoning_content);
 | 
						||
        assert_equals(variant, std::string(""), m.content);
 | 
						||
        assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
 | 
						||
    }
 | 
						||
 | 
						||
    // variant: thinking not forced open + reasoning + regular content + no tool calls
 | 
						||
    {
 | 
						||
        common_chat_syntax syntax = {
 | 
						||
            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
 | 
						||
            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
 | 
						||
            /* .reasoning_in_content = */ false,
 | 
						||
            /* .thinking_forced_open = */ true,
 | 
						||
            /* .parse_tool_calls = */ true,
 | 
						||
        };
 | 
						||
        const std::string variant("thinking_forced_open_reasoning_regular_content_no_tool_calls");
 | 
						||
        const std::string in = "REASONING</think>CONTENT";
 | 
						||
        auto m = common_chat_parse(in, false, syntax);
 | 
						||
        assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
 | 
						||
        assert_equals(variant, std::string("CONTENT"), m.content);
 | 
						||
        assert_equals(variant, std::string("REASONING"), m.reasoning_content);
 | 
						||
    }
 | 
						||
    // variant: thinking not forced open + missing reasoning + no tool calls
 | 
						||
    {
 | 
						||
        common_chat_syntax syntax = {
 | 
						||
            /* .format = */ COMMON_CHAT_FORMAT_DEEPSEEK_V3_1,
 | 
						||
            /* .reasoning_format = */ COMMON_REASONING_FORMAT_DEEPSEEK,
 | 
						||
            /* .reasoning_in_content = */ false,
 | 
						||
            /* .thinking_forced_open = */ false,
 | 
						||
            /* .parse_tool_calls = */ true,
 | 
						||
        };
 | 
						||
        const std::string variant("thinking_not_forced_open_missing_reasoning_no_tool_calls");
 | 
						||
        const std::string in = "CONTENT";
 | 
						||
        auto m = common_chat_parse(in, false, syntax);
 | 
						||
        assert_equals<std::size_t>(variant, 0, m.tool_calls.size());
 | 
						||
        assert_equals(variant, std::string("CONTENT"), m.content);
 | 
						||
        assert_equals(variant, std::string(""), m.reasoning_content);
 | 
						||
    }
 | 
						||
}
 | 
						||
 | 
						||
static void test_with_args(const std::string & input, const std::string & expected, bool parse_as_partial = true, bool is_partial = true) {
 | 
						||
  common_chat_msg_parser builder(input, parse_as_partial, {});
 | 
						||
  auto js = builder.try_consume_json_with_dumped_args({{"args"}}, {});
 | 
						||
  assert_equals(true, js.has_value());
 | 
						||
  assert_equals(is_partial, js->is_partial);
 | 
						||
  assert_equals(expected, js->value.dump());
 | 
						||
}
 | 
						||
 | 
						||
static void test_json_with_dumped_args_no_args() {
 | 
						||
  // Normal JSON, nothing to heal, nothing to dump
 | 
						||
  test("{\"name\": \"python\"}", false, {}, {}, "{\"name\":\"python\"}");
 | 
						||
  // Full json is args
 | 
						||
  test("{\"name\": \"python\"}", false, {{}}, {}, "{\"name\":\"python\"}");
 | 
						||
 | 
						||
  // If the arguments are further down, don't heal partial content.
 | 
						||
  for (const auto & src : barely_healable_jsons) {
 | 
						||
    test(src, true, {{"arguments"}}, {}, "{}");
 | 
						||
  }
 | 
						||
  // But heal content that isn't partial.
 | 
						||
  test("{\"name\": \"python\"", true, {{"arguments"}}, {}, "{\"name\":\"python\"}");
 | 
						||
}
 | 
						||
 | 
						||
static void test_json_with_dumped_args() {
 | 
						||
 | 
						||
  // Partial content.
 | 
						||
  test("{\"content\": \"t", true, {}, {{"content"}}, "{\"content\":\"t\"}");
 | 
						||
  test("{\"content\": \"", true, {}, {{"content"}}, "{\"content\":\"\"}");
 | 
						||
  test("{\"content\": ", true, {}, {{"content"}}, "{}");
 | 
						||
 | 
						||
  // If the entire JSON is the arguments, healing it them dumping it produces the same output as the input (just reformatted).
 | 
						||
  test("{\"name\": \"python", true, {{}}, {}, "{\"name\":\"python");
 | 
						||
  for (const auto & src : barely_healable_jsons) {
 | 
						||
    test(src, true, {{}}, {}, src);
 | 
						||
  }
 | 
						||
 | 
						||
  // Full JSON w/ args
 | 
						||
  for (auto parse_as_partial : {true, false}) {
 | 
						||
    test_with_args(
 | 
						||
      R"({"name": "python", "args": {"arg1": 1}})",
 | 
						||
      R"({"name":"python","args":"{\"arg1\":1}"})",
 | 
						||
      parse_as_partial,
 | 
						||
      /* is_partial= */ false
 | 
						||
    );
 | 
						||
  }
 | 
						||
 | 
						||
  // Partial JSON w/ partial args
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {")",
 | 
						||
    R"({"foo":"bar","args":"{\""})"
 | 
						||
  );
 | 
						||
  // Partial args broken in object key
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"ar)",
 | 
						||
    R"({"foo":"bar","args":"{\"ar"})"
 | 
						||
  );
 | 
						||
  // Partial args broken after object key
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1")",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\""})"
 | 
						||
  );
 | 
						||
  // Partial args broken before object value
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1":)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":"})"
 | 
						||
  );
 | 
						||
  // Partial args broken before object value (space)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": )",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":"})"
 | 
						||
  );
 | 
						||
  // Partial args broken in object value that may not be complete (int)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": 1)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":"})"
 | 
						||
  );
 | 
						||
  // Partial args broken in object value that is complete (int)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": 1 )",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":1"})"
 | 
						||
  );
 | 
						||
  // Partial args broken in object value that is incomplete (string)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": ")",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\""})"
 | 
						||
  );
 | 
						||
  // Partial args broken in object value that is complete (string)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "1")",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"1\""})"
 | 
						||
  );
 | 
						||
  // Partial args broken on array opening
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": [)",
 | 
						||
    R"({"foo":"bar","args":"["})"
 | 
						||
  );
 | 
						||
  // Partial args broken on array value that is incomplete (int)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": [1)",
 | 
						||
    R"({"foo":"bar","args":"["})"
 | 
						||
  );
 | 
						||
  // Partial args broken on array value that is complete (int)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": [1 )",
 | 
						||
    R"({"foo":"bar","args":"[1"})"
 | 
						||
  );
 | 
						||
  // Partial args broken on array value that is complete (string)
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": ["1")",
 | 
						||
    R"({"foo":"bar","args":"[\"1\""})"
 | 
						||
  );
 | 
						||
  // Partial args broken after array value
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": [1,)",
 | 
						||
    R"({"foo":"bar","args":"[1,"})"
 | 
						||
  );
 | 
						||
  // Partial args broken on nested array
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": [)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":["})"
 | 
						||
  );
 | 
						||
 | 
						||
  // Unicode tests
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\u)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\u"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\u0)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\u0"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\u00)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\u00"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\u000)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\u000"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\u0000)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\u0000"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud8)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud8"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud80)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud80"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\u)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\u"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\ud)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\ud"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\udc)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\udc"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\udc0)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\udc0"})"
 | 
						||
  );
 | 
						||
  test_with_args(
 | 
						||
    R"({"foo": "bar", "args": {"arg1": "\ud800\udc00)",
 | 
						||
    R"({"foo":"bar","args":"{\"arg1\":\"\\ud800\\udc00"})"
 | 
						||
  );
 | 
						||
}
 | 
						||
 | 
						||
static void test_positions() {
 | 
						||
  {
 | 
						||
    common_chat_msg_parser builder("Hello, world!", /* is_partial= */ false, {});
 | 
						||
    assert_equals<size_t>(0, builder.pos());
 | 
						||
    assert_throws([&]() { builder.move_to(100); });
 | 
						||
    assert_equals<size_t>(0, builder.pos());
 | 
						||
    assert_throws([&]() { builder.move_back(1); });
 | 
						||
    assert_equals<size_t>(0, builder.pos());
 | 
						||
 | 
						||
    builder.move_to(8);
 | 
						||
    assert_equals<size_t>(8, builder.pos());
 | 
						||
    builder.move_back(1);
 | 
						||
    assert_equals<size_t>(7, builder.pos());
 | 
						||
    assert_equals("world!", builder.consume_rest());
 | 
						||
 | 
						||
    builder.move_to(0);
 | 
						||
    assert_equals<size_t>(0, builder.pos());
 | 
						||
 | 
						||
    assert_throws([&]() { builder.finish(); });
 | 
						||
    assert_equals<size_t>(0, builder.pos());
 | 
						||
 | 
						||
    builder.move_to(builder.input().size());
 | 
						||
    builder.finish();
 | 
						||
  }
 | 
						||
  {
 | 
						||
    common_chat_msg_parser builder("Hello, world!", /* is_partial= */ true, {});
 | 
						||
 | 
						||
    builder.move_to(builder.input().size());
 | 
						||
    assert_equals<size_t>(builder.input().size(), builder.pos());
 | 
						||
    builder.finish();
 | 
						||
  }
 | 
						||
}
 | 
						||
 | 
						||
int main() {
 | 
						||
    test_positions();
 | 
						||
    test_json_with_dumped_args_no_args();
 | 
						||
    test_json_with_dumped_args();
 | 
						||
    test_reasoning();
 | 
						||
    test_regex();
 | 
						||
    test_deepseek_v3_1_tool_calls();
 | 
						||
    std::cout << "All tests passed!\n";
 | 
						||
    return 0;
 | 
						||
}
 |