Add basic YAML parsing tests

Signed-off-by: Juan Cruz Viotti <[email protected]>

CMakeLists.txt

@@ -120,6 +120,10 @@ if(JSONTOOLKIT_TESTS)
     add_subdirectory(test/jsonl)
   endif()
 
+  if(JSONTOOLKIT_JSON AND JSONTOOLKIT_YAML)
+    add_subdirectory(test/yaml)
+  endif()
+
   if(PROJECT_IS_TOP_LEVEL)
     # Otherwise we need the child project to link
     # against the sanitizers too.

test/yaml/CMakeLists.txt

@@ -0,0 +1,12 @@
+add_executable(sourcemeta_jsontoolkit_yaml_unit
+  yaml_parse_test.cc)
+noa_add_default_options(PRIVATE sourcemeta_jsontoolkit_yaml_unit)
+target_link_libraries(sourcemeta_jsontoolkit_yaml_unit
+  PRIVATE GTest::gtest GTest::gtest_main)
+target_link_libraries(sourcemeta_jsontoolkit_yaml_unit
+  PRIVATE sourcemeta::jsontoolkit::json)
+target_link_libraries(sourcemeta_jsontoolkit_yaml_unit
+  PRIVATE sourcemeta::jsontoolkit::yaml)
+set_target_properties(sourcemeta_jsontoolkit_yaml_unit
+  PROPERTIES FOLDER "JSON Toolkit/YAML")
+add_test(NAME JSON COMMAND sourcemeta_jsontoolkit_yaml_unit --gtest_brief=1)

test/yaml/yaml_parse_test.cc

@@ -0,0 +1,61 @@
+#include <gtest/gtest.h>
+
+#include <sourcemeta/jsontoolkit/json.h>
+#include <sourcemeta/jsontoolkit/yaml.h>
+
+TEST(YAML_parse, object_1) {
+  const std::string input{"hello: world\nfoo: 1\nbar: true"};
+
+  const auto result{sourcemeta::jsontoolkit::from_yaml(input)};
+
+  const sourcemeta::jsontoolkit::JSON expected =
+      sourcemeta::jsontoolkit::parse(R"JSON({
+    "hello": "world",
+    "foo": 1,
+    "bar": true
+  })JSON");
+
+  EXPECT_EQ(result, expected);
+}
+
+TEST(YAML_parse, object_2) {
+  const std::string input{"foo: >\n  bar\n  baz"};
+
+  const auto result{sourcemeta::jsontoolkit::from_yaml(input)};
+
+  const sourcemeta::jsontoolkit::JSON expected =
+      sourcemeta::jsontoolkit::parse(R"JSON({
+    "foo": "bar baz"
+  })JSON");
+
+  EXPECT_EQ(result, expected);
+}
+
+TEST(YAML_parse, array_1) {
+  const std::string input{"- foo\n- true"};
+
+  const auto result{sourcemeta::jsontoolkit::from_yaml(input)};
+
+  const sourcemeta::jsontoolkit::JSON expected =
+      sourcemeta::jsontoolkit::parse(R"JSON([ "foo", true ])JSON");
+
+  EXPECT_EQ(result, expected);
+}
+
+TEST(YAML_parse, empty) {
+  const std::string input{""};
+  EXPECT_THROW(sourcemeta::jsontoolkit::from_yaml(input),
+               sourcemeta::jsontoolkit::YAMLParseError);
+}
+
+TEST(YAML_parse, blank) {
+  const std::string input{"    "};
+  EXPECT_THROW(sourcemeta::jsontoolkit::from_yaml(input),
+               sourcemeta::jsontoolkit::YAMLParseError);
+}
+
+TEST(YAML_parse, invalid_1) {
+  const std::string input{"{ xx"};
+  EXPECT_THROW(sourcemeta::jsontoolkit::from_yaml(input),
+               sourcemeta::jsontoolkit::YAMLParseError);
+}