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https://github.com/ggml-org/llama.cpp.git
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JSON Schema to GBNF integration tests (#7790)
* Adding simple bare-bones test for end-to-end integration test for json validation against auto-generated JSON-schema grammars. * Adding additional examples as documented in #7789 . Also adding the ability to automatically output improperly failing grammars to debug output files so they can more easily be examined in the gbnf-validator program. * Uncommenting formerly commented tests so that they fail for others who are attempting to reproduce the bugs. * Merging improved schema test methods added by @ochafik in #7797 * Adding #define to temporarily remove failing tests so that this PR can pass CI, but still be useful for other PRs that want to leverage the framework. * Fixing nits from ochafik. Removing escape slashes, adding additional failing cases, fixing some other strings. * Fixing grammar indentation to be consistent throughout file.
This commit is contained in:
Clint Herron
2
Makefile
2
Makefile
@@ -1051,7 +1051,7 @@ tests/test-grammar-parser: tests/test-grammar-parser.cpp ggml.o llama.o grammar-
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$(CXX) $(CXXFLAGS) -c $< -o $(call GET_OBJ_FILE, $<)
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$(CXX) $(CXXFLAGS) $(filter-out %.h $<,$^) $(call GET_OBJ_FILE, $<) -o $@ $(LDFLAGS)
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tests/test-grammar-integration: tests/test-grammar-integration.cpp ggml.o llama.o grammar-parser.o $(OBJS)
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tests/test-grammar-integration: tests/test-grammar-integration.cpp json-schema-to-grammar.o ggml.o llama.o grammar-parser.o $(OBJS)
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$(CXX) $(CXXFLAGS) -c $< -o $(call GET_OBJ_FILE, $<)
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$(CXX) $(CXXFLAGS) $(filter-out %.h $<,$^) $(call GET_OBJ_FILE, $<) -o $@ $(LDFLAGS)
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@@ -7,11 +7,16 @@
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#include "ggml.h"
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#include "llama.h"
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#include "grammar-parser.h"
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#include "json-schema-to-grammar.h"
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#include "unicode.h"
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#include <cassert>
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#include <string>
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#include <vector>
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using json = nlohmann::ordered_json;
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//#define INCLUDE_FAILING_TESTS 1
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static llama_grammar* build_grammar(const std::string & grammar_str) {
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auto parsed_grammar = grammar_parser::parse(grammar_str.c_str());
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@@ -65,8 +70,8 @@ static bool match_string(const std::string & input, llama_grammar* grammar) {
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return false;
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}
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static void test_grammar(const std::string & test_desc, const std::string & grammar_str, const std::vector<std::string> & passing_strings, const std::vector<std::string> & failing_strings) {
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fprintf(stderr, "⚫ Testing %s. Grammar: %s\n", test_desc.c_str(), grammar_str.c_str());
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static void test(const std::string & test_desc, const std::string & grammar_str, const std::vector<std::string> & passing_strings, const std::vector<std::string> & failing_strings) {
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fprintf(stderr, "⚫ Testing %s\n%s\n", test_desc.c_str(), grammar_str.c_str());
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fflush(stderr);
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auto grammar = build_grammar(grammar_str);
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@@ -85,6 +90,23 @@ static void test_grammar(const std::string & test_desc, const std::string & gram
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if (!matched) {
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fprintf(stderr, "❌ (failed to match)\n");
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// DEBUG: Write strings to files so that we can analyze more easily with gbnf-validator program to see exactly where things failed.
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// DEBUG: Write the grammar_str to test-grammar-integration.grammar.gbnf
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FILE* grammar_file = fopen("test-grammar-integration.grammar.gbnf", "w");
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if (grammar_file) {
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fprintf(grammar_file, "%s", grammar_str.c_str());
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fclose(grammar_file);
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}
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// DEBUG: Write the test string to test-grammar-integration.string.txt
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FILE* string_file = fopen("test-grammar-integration.string.txt", "w");
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if (string_file) {
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fprintf(string_file, "%s", test_string.c_str());
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fclose(string_file);
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}
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fprintf(stderr, "\n NOTE: Debug grammar file generated. To analyze this failure in detail, run the following command: ./llama-gbnf-validator test-grammar-integration.grammar.gbnf test-grammar-integration.string.txt\n\n");
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} else {
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fprintf(stdout, "✅︎\n");
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}
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@@ -118,6 +140,12 @@ static void test_grammar(const std::string & test_desc, const std::string & gram
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// Clean up allocated memory
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llama_grammar_free(grammar);
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}
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static void test_grammar(const std::string & test_desc, const std::string & grammar_str, const std::vector<std::string> & passing_strings, const std::vector<std::string> & failing_strings) {
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test(test_desc + ". Grammar: " + grammar_str, grammar_str, passing_strings, failing_strings);
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}
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static void test_schema(const std::string & test_desc, const std::string & schema_str, const std::vector<std::string> & passing_strings, const std::vector<std::string> & failing_strings) {
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test(test_desc + ". Schema: " + schema_str, json_schema_to_grammar(json::parse(schema_str)), passing_strings, failing_strings);
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}
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static void test_simple_grammar() {
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// Test case for a simple grammar
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@@ -400,10 +428,11 @@ static void test_quantifiers() {
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static void test_failure_missing_root() {
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fprintf(stderr, "⚫ Testing missing root node:\n");
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// Test case for a grammar that is missing a root rule
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const std::string grammar_str = R"""(rot ::= expr
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expr ::= term ("+" term)*
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term ::= number
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number ::= [0-9]+)""";
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const std::string grammar_str = R"""(
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rot ::= expr
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expr ::= term ("+" term)*
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term ::= number
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number ::= [0-9]+)""";
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grammar_parser::parse_state parsed_grammar = grammar_parser::parse(grammar_str.c_str());
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@@ -420,10 +449,10 @@ static void test_failure_missing_reference() {
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// Test case for a grammar that is missing a referenced rule
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const std::string grammar_str =
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R"""(root ::= expr
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expr ::= term ("+" term)*
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term ::= numero
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number ::= [0-9]+)""";
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R"""(root ::= expr
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expr ::= term ("+" term)*
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term ::= numero
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number ::= [0-9]+)""";
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fprintf(stderr, " Expected error: ");
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@@ -445,29 +474,558 @@ static void test_failure_left_recursion() {
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// Test more complicated left recursion detection
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const std::string medium_str = R"""(
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root ::= asdf
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asdf ::= "a" | asdf "a"
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)""";
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root ::= asdf
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asdf ::= "a" | asdf "a"
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)""";
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assert(test_build_grammar_fails(medium_str));
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// Test even more complicated left recursion detection
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const std::string hard_str = R"""(
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root ::= asdf
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asdf ::= "a" | foo "b"
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foo ::= "c" | asdf "d" | "e")""";
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root ::= asdf
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asdf ::= "a" | foo "b"
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foo ::= "c" | asdf "d" | "e")""";
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assert(test_build_grammar_fails(hard_str));
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// Test yet even more complicated left recursion detection
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const std::string hardest_str = R"""(
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root ::= asdf
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asdf ::= "a" | foo "b"
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foo ::= "c" | empty asdf "d" | "e"
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empty ::= "blah" | )""";
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root ::= asdf
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asdf ::= "a" | foo "b"
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foo ::= "c" | empty asdf "d" | "e"
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empty ::= "blah" | )""";
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assert(test_build_grammar_fails(hardest_str));
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fprintf(stderr, " ✅︎ Passed\n");
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}
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static void test_json_schema() {
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// Note that this is similar to the regular grammar tests,
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// but we convert each json schema to a grammar before parsing.
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// Otherwise, this test structure is the same.
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test_schema(
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"empty schema (object)",
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// Schema
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R"""(
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{}
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)""",
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// Passing strings
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{
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"{}",
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R"""({"foo": "bar"})""",
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},
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// Failing strings
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{
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"",
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"[]",
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"null",
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"\"\"",
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"true",
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}
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);
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test_schema(
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"exotic formats (list)",
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// Schema
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R"""(
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{
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"items": [
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{ "format": "date" },
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{ "format": "uuid" },
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{ "format": "time" },
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{ "format": "date-time" }
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]
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}
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)""",
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// Passing strings
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{
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// "{}", // NOTE: This string passes for this schema on https://www.jsonschemavalidator.net/ -- should it?
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// "[]", // NOTE: This string passes for this schema on https://www.jsonschemavalidator.net/ -- should it?
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R"""(["2012-04-23", "12345678-1234-1234-1234-1234567890ab", "18:25:43.511Z", "2012-04-23T18:25:43.511Z"])""",
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//R"""(["2012-04-23","12345678-1234-1234-1234-1234567890ab"])""", // NOTE: This string passes for this schema on https://www.jsonschemavalidator.net/ -- should it?
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//R"""({"foo": "bar"})""", // NOTE: This string passes for this schema on https://www.jsonschemavalidator.net/ -- should it?
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},
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// Failing strings
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{
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R"""(["foo", "bar"])""",
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R"""(["12345678-1234-1234-1234-1234567890ab"])""",
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}
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);
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test_schema(
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"string",
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// Schema
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R"""(
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{
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"type": "string"
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}
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)""",
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// Passing strings
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{
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"\"foo\"",
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"\"bar\"",
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"\"\"",
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},
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// Failing strings
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{
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"{}",
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"\"foo\": \"bar\"",
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}
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);
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test_schema(
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"string w/ min length 1",
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// Schema
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R"""(
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{
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"type": "string",
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"minLength": 1
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}
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)""",
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// Passing strings
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{
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"\"foo\"",
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"\"bar\"",
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},
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// Failing strings
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{
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"\"\"",
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"{}",
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"\"foo\": \"bar\"",
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}
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);
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test_schema(
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"string w/ min length 3",
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// Schema
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R"""(
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{
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"type": "string",
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"minLength": 3
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}
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)""",
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// Passing strings
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{
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"\"foo\"",
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"\"bar\"",
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"\"foobar\"",
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},
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// Failing strings
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{
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"\"\"",
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"\"f\"",
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"\"fo\"",
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}
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);
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test_schema(
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"string w/ max length",
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// Schema
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R"""(
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{
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"type": "string",
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"maxLength": 3
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}
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)""",
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// Passing strings
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{
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"\"foo\"",
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"\"bar\"",
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"\"\"",
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"\"f\"",
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"\"fo\"",
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},
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// Failing strings
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{
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"\"foobar\"",
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}
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);
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test_schema(
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"string w/ min & max length",
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// Schema
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R"""(
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{
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"type": "string",
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"minLength": 1,
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"maxLength": 4
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}
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)""",
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// Passing strings
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{
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"\"foo\"",
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"\"bar\"",
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"\"f\"",
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"\"barf\"",
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},
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// Failing strings
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{
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"\"\"",
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"\"barfo\"",
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"\"foobar\"",
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}
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);
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test_schema(
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"boolean",
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// Schema
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R"""(
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{
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"type": "boolean"
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}
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)""",
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// Passing strings
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{
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"true",
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"false",
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},
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// Failing strings
|
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{
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"\"\"",
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"\"true\"",
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"True",
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"FALSE",
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}
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);
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|
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test_schema(
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"integer",
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// Schema
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R"""(
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{
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"type": "integer"
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}
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)""",
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// Passing strings
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{
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"0",
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"12345",
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"1234567890123456"
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},
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// Failing strings
|
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{
|
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"",
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"01",
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"007",
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"12345678901234567"
|
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}
|
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);
|
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|
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test_schema(
|
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"string const",
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// Schema
|
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R"""(
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{
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"const": "foo"
|
||||
}
|
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)""",
|
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// Passing strings
|
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{
|
||||
"\"foo\"",
|
||||
},
|
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// Failing strings
|
||||
{
|
||||
"foo",
|
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"\"bar\"",
|
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}
|
||||
);
|
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|
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test_schema(
|
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"non-string const",
|
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// Schema
|
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R"""(
|
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{
|
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"const": true
|
||||
}
|
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)""",
|
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// Passing strings
|
||||
{
|
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"true",
|
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},
|
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// Failing strings
|
||||
{
|
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"",
|
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"foo",
|
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"\"true\"",
|
||||
}
|
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);
|
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|
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test_schema(
|
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"non-string const",
|
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// Schema
|
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R"""(
|
||||
{
|
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"enum": ["red", "amber", "green", null, 42, ["foo"]]
|
||||
}
|
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)""",
|
||||
// Passing strings
|
||||
{
|
||||
"\"red\"",
|
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"null",
|
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"42",
|
||||
"[\"foo\"]",
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
"",
|
||||
"420",
|
||||
"true",
|
||||
"foo",
|
||||
}
|
||||
);
|
||||
|
||||
|
||||
test_schema(
|
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"min+max items",
|
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// Schema
|
||||
R"""(
|
||||
{
|
||||
"items": {
|
||||
"type": ["number", "integer"]
|
||||
},
|
||||
"minItems": 3,
|
||||
"maxItems": 5
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
"[1, 2, 3]",
|
||||
"[1, 2, 3, 4]",
|
||||
"[1, 2, 3, 4, 5]",
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
"[1, 2]",
|
||||
"[1, 2, 3, 4, 5, 6]",
|
||||
"1"
|
||||
}
|
||||
);
|
||||
|
||||
// Properties (from: https://json-schema.org/understanding-json-schema/reference/object#properties)
|
||||
test_schema(
|
||||
"object properties",
|
||||
// Schema
|
||||
R"""(
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"number": { "type": "number" },
|
||||
"street_name": { "type": "string" },
|
||||
"street_type": { "enum": ["Street", "Avenue", "Boulevard"] }
|
||||
}
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type":"Avenue"})""",
|
||||
// "By default, leaving out properties is valid"
|
||||
R"""({ "street_name": "Pennsylvania" })""",
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania" })""",
|
||||
// "By extension, even an empty object is valid"
|
||||
R"""({})""",
|
||||
// "By default, providing additional properties is valid"
|
||||
#ifdef INCLUDE_FAILING_TESTS
|
||||
// TODO: The following should pass, but currently FAILS. Additional properties should be permitted by default.
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type":"Avenue", "direction":"NW"})""",
|
||||
// TODO: Spaces should be permitted around enum values, but currently they fail to pass.
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type": "Avenue" })""",
|
||||
#endif
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
// Change datatype from number to string
|
||||
R"""({ "number": "1600", "street_name": "Pennsylvania", "street_type":"Avenue"})""",
|
||||
// Reorder properties
|
||||
R"""({ "street_name": "Pennsylvania", "number": 1600 })""",
|
||||
// Reorder properties
|
||||
R"""({ "number": "1600", "street_name": "Pennsylvania", "street_type":"Avenue"})""",
|
||||
}
|
||||
);
|
||||
|
||||
|
||||
// Properties (from: https://json-schema.org/understanding-json-schema/reference/object#properties)
|
||||
test_schema(
|
||||
"object properties, additionalProperties: true",
|
||||
// Schema
|
||||
R"""(
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"number": { "type": "number" },
|
||||
"street_name": { "type": "string" },
|
||||
"street_type": { "enum": ["Street", "Avenue", "Boulevard"] }
|
||||
},
|
||||
"additionalProperties": true
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
// "By extension, even an empty object is valid"
|
||||
R"""({})""",
|
||||
#ifdef INCLUDE_FAILING_TESTS
|
||||
// TODO: Following line should pass and doesn't
|
||||
R"""({"number":1600,"street_name":"Pennsylvania","street_type":"Avenue"})""",
|
||||
// "By default, leaving out properties is valid"
|
||||
// TODO: Following line should pass and doesn't
|
||||
R"""({ "street_name": "Pennsylvania" })""",
|
||||
// TODO: Following line should pass and doesn't
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania" })""",
|
||||
// "By default, providing additional properties is valid"
|
||||
// TODO: The following should pass, but currently FAILS. Additional properties should be permitted by default.
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type":"Avenue", "direction":"NW"})""",
|
||||
// TODO: Spaces should be permitted around enum values, but currently they fail to pass.
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type": "Avenue" })""",
|
||||
#endif
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
// Change datatype from number to string
|
||||
R"""({ "number": "1600", "street_name": "Pennsylvania", "street_type":"Avenue"})""",
|
||||
// Reorder properties
|
||||
R"""({ "street_name": "Pennsylvania", "number": 1600, "street_type":"Avenue"})""",
|
||||
}
|
||||
);
|
||||
|
||||
// Additional properties: false
|
||||
test_schema(
|
||||
"required + optional props each in original order",
|
||||
// Schema
|
||||
R"""(
|
||||
{
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"number": { "type": "number" },
|
||||
"street_name": { "type": "string" },
|
||||
"street_type": { "enum": ["Street", "Avenue", "Boulevard"] }
|
||||
},
|
||||
"additionalProperties": false
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
R"""({ "street_name": "Pennsylvania" })""",
|
||||
R"""({ "number": 1600, "street_type":"Avenue"})""",
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania" })""",
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type":"Avenue"})""",
|
||||
#ifdef INCLUDE_FAILING_TESTS
|
||||
// TODO: Spaces should be permitted around enum values, but currently they fail to pass.
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type": "Avenue" })""",
|
||||
#endif
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
// Reorder properties
|
||||
R"""({ "street_type": "Avenue", "number": 1600 })""",
|
||||
// Add "direction"
|
||||
R"""({ "number": 1600, "street_name": "Pennsylvania", "street_type": "Avenue", "direction": "NW" })""",
|
||||
}
|
||||
);
|
||||
|
||||
test_schema(
|
||||
"required + optional props each in original order",
|
||||
// Schema
|
||||
R"""(
|
||||
{
|
||||
"properties": {
|
||||
"b": {"type": "string"},
|
||||
"a": {"type": "string"},
|
||||
"d": {"type": "string"},
|
||||
"c": {"type": "string"}
|
||||
},
|
||||
"required": ["a", "b"],
|
||||
"additionalProperties": false
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
R"""({"b": "foo", "a": "bar"})""",
|
||||
R"""({"b":"foo","a":"bar","d":"qux"})""",
|
||||
R"""({"b":"foo", "a":"bar", "d":"qux", "c":"baz"})""",
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
R"""({"a": "foo", "b": "bar"})""",
|
||||
R"""({"b": "bar"})""",
|
||||
R"""({"a": "foo", "c": "baz"})""",
|
||||
R"""({"a":"foo", "b":"bar", "c":"baz", "d":"qux"})""",
|
||||
}
|
||||
);
|
||||
|
||||
// NOTE: Example from https://json-schema.org/learn/getting-started-step-by-step#define-required-properties
|
||||
test_schema(
|
||||
"required props",
|
||||
// Schema
|
||||
R"""(
|
||||
{
|
||||
"$schema": "https://json-schema.org/draft/2020-12/schema",
|
||||
"$id": "https://example.com/product.schema.json",
|
||||
"title": "Product",
|
||||
"description": "A product from Acme's catalog",
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"productId": {
|
||||
"description": "The unique identifier for a product",
|
||||
"type": "integer"
|
||||
},
|
||||
"productName": {
|
||||
"description": "Name of the product",
|
||||
"type": "string"
|
||||
},
|
||||
"price": {
|
||||
"description": "The price of the product",
|
||||
"type": "number",
|
||||
"exclusiveMinimum": 0
|
||||
},
|
||||
"tags": {
|
||||
"description": "Tags for the product",
|
||||
"type": "array",
|
||||
"items": {
|
||||
"type": "string"
|
||||
},
|
||||
"minItems": 1,
|
||||
"uniqueItems": true
|
||||
},
|
||||
"dimensions": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"length": {
|
||||
"type": "number"
|
||||
},
|
||||
"width": {
|
||||
"type": "number"
|
||||
},
|
||||
"height": {
|
||||
"type": "number"
|
||||
}
|
||||
},
|
||||
"required": [ "length", "width", "height" ]
|
||||
}
|
||||
},
|
||||
"required": [ "productId", "productName", "price" ]
|
||||
}
|
||||
)""",
|
||||
// Passing strings
|
||||
{
|
||||
R"""({"productId": 1, "productName": "A green door", "price": 12.50})""",
|
||||
R"""({"productId": 1, "productName": "A green door", "price": 12.50, "tags": ["home", "green"]})""",
|
||||
R"""({"productId": 1, "productName": "A green door", "price": 12.50, "tags": ["home", "green"], "dimensions": {"length": 785, "width": 250.5, "height": -0.359}})""",
|
||||
},
|
||||
// Failing strings
|
||||
{
|
||||
R"""({})""", // Missing all required properties
|
||||
R"""({"productName": "A green door", "price": 12.50, "productId": 1})""", // Out of order properties
|
||||
// TODO: The following line should fail, but currently it passes. `exclusiveMinimum` is not supported, as it would likely be too difficult to implement.
|
||||
// Perhaps special checks for minimum and maximum values of 0 could be added (since that's relatively easy to do with grammars), but anything else would likely be too complex.
|
||||
// R"""({"productId": 1, "productName": "A green door", "price": -12.50})""",
|
||||
R"""({"productId": 1, "productName": "A green door"})""", // Missing required property (price)
|
||||
R"""({"productName": "A green door", "price": 12.50})""", // Missing required property (productId)
|
||||
R"""({"productId": 1, "productName": "A green door", "price": 12.50, "tags": []})""", // tags is empty, but minItems is 1
|
||||
R"""({"productId": 1, "productName": "A green door", "price": 12.50, "dimensions": {"length": 785, "width": 250.5, "height": -0.359}, "tags": ["home", "green"]})""", // Tags and dimensions are out of order
|
||||
// TODO: The following line should fail, but currently it passes. `uniqueItems` is not supported, as it would likely be too difficult to implement.
|
||||
// R"""({"productId": 1, "productName": "A green door", "price": 12.50, "tags": ["home", "green", "home"]})""",
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
int main() {
|
||||
fprintf(stdout, "Running grammar integration tests...\n");
|
||||
test_simple_grammar();
|
||||
@@ -477,6 +1035,7 @@ int main() {
|
||||
test_failure_missing_root();
|
||||
test_failure_missing_reference();
|
||||
test_failure_left_recursion();
|
||||
test_json_schema();
|
||||
fprintf(stdout, "All tests passed.\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user