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29 lines
1.8 KiB
C++
29 lines
1.8 KiB
C++
/**
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* Copyright 2019-present, GraphQL Foundation
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include <gtest/gtest.h>
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#include "Ast.h"
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#include "GraphQLParser.h"
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#include "c/GraphQLAstToJSON.h"
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using facebook::graphql::parseString;
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TEST(JsonVisitorTests, NullValueEmitsValidJSONWithoutTrailingComma) {
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const char *error = nullptr;
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auto AST = parseString("{field(arg: null)}", &error);
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ASSERT_STREQ(nullptr, error) << "GraphQL parser error: " << error;
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const char *json = graphql_ast_to_json(reinterpret_cast<const struct GraphQLAstNode *>(AST.get()));
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EXPECT_STREQ(
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json,
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"{\"kind\":\"Document\",\"loc\":{\"start\": {\"line\": 1,\"column\":1}, \"end\": {\"line\":1,\"column\":19}},\"definitions\":[{\"kind\":\"OperationDefinition\",\"loc\":{\"start\": {\"line\": 1,\"column\":1}, \"end\": {\"line\":1,\"column\":19}},\"operation\":\"query\",\"name\":null,\"variableDefinitions\":null,\"directives\":null,\"selectionSet\":{\"kind\":\"SelectionSet\",\"loc\":{\"start\": {\"line\": 1,\"column\":1}, \"end\": {\"line\":1,\"column\":19}},\"selections\":[{\"kind\":\"Field\",\"loc\":{\"start\": {\"line\": 1,\"column\":2}, \"end\": {\"line\":1,\"column\":18}},\"alias\":null,\"name\":{\"kind\":\"Name\",\"loc\":{\"start\": {\"line\": 1,\"column\":2}, \"end\": {\"line\":1,\"column\":7}},\"value\":\"field\"},\"arguments\":[{\"kind\":\"Argument\",\"loc\":{\"start\": {\"line\": 1,\"column\":8}, \"end\": {\"line\":1,\"column\":17}},\"name\":{\"kind\":\"Name\",\"loc\":{\"start\": {\"line\": 1,\"column\":8}, \"end\": {\"line\":1,\"column\":11}},\"value\":\"arg\"},\"value\":{\"kind\":\"NullValue\",\"loc\":{\"start\": {\"line\": 1,\"column\":13}, \"end\": {\"line\":1,\"column\":17}}}}],\"directives\":null,\"selectionSet\":null}]}}]}"
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);
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free((void *)json);
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}
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