Add basic YAML parsing tests

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

test/yaml/yaml_parse_test.cc

@@ -3,6 +3,52 @@
 #include <sourcemeta/jsontoolkit/json.h>
 #include <sourcemeta/jsontoolkit/yaml.h>
 
+TEST(YAML_parse, scalar_1) {
+  const std::string input{"1"};
+  const auto result{sourcemeta::jsontoolkit::from_yaml(input)};
+  const sourcemeta::jsontoolkit::JSON expected{1};
+  EXPECT_EQ(result, expected);
+}
+
+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),
@@ -14,3 +60,9 @@ TEST(YAML_parse, blank) {
   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);
+}