yaml-cpp/test/integration/load_node_test.cpp
Ted Lyngmo 3f4bdb9878 Make pseudo enum classes into proper enum classes
This changes some constructs like this

    struct FmtScope {
      enum value { Local, Global };
    };
    struct GroupType {
      enum value { NoType, Seq, Map };
    };
    struct FlowType {
      enum value { NoType, Flow, Block };
    };

into this

    enum class FmtScope { Local, Global };
    enum class GroupType { NoType, Seq, Map };
    enum class FlowType { NoType, Flow, Block };

The full list of pseudo enum classes now turned into real enum classes:

enum class State { WaitingForSequenceEntry, WaitingForKey, WaitingForValue };
enum class EmitterNodeType { NoType, Property, Scalar, FlowSeq, BlockSeq, FlowMap, BlockMap };
enum class Type { Verbatim, PrimaryHandle, NamedHandle };
enum class EmitterStyle { Default, Block, Flow };
enum class iterator_type { NoneType, Sequence, Map };
enum class NodeType { Undefined, Null, Scalar, Sequence, Map };
enum class CollectionType { NoCollection, BlockMap, BlockSeq, FlowMap, FlowSeq, CompactMap };
enum class FmtScope { Local, Global };
enum class GroupType { NoType, Seq, Map };
enum class FlowType { NoType, Flow, Block };
enum class StringFormat { Plain, SingleQuoted, DoubleQuoted, Literal };
enum class StringEscaping { None, NonAscii, JSON };

Signed-off-by: Ted Lyngmo <ted@lyncon.se>
2021-04-23 10:15:50 +02:00

350 lines
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#include "yaml-cpp/yaml.h" // IWYU pragma: keep
#include "gtest/gtest.h"
namespace YAML {
namespace {
TEST(LoadNodeTest, Reassign) {
Node node = Load("foo");
node = Node();
EXPECT_TRUE(node.IsNull());
}
TEST(LoadNodeTest, FallbackValues) {
Node node = Load("foo: bar\nx: 2");
EXPECT_EQ("bar", node["foo"].as<std::string>());
EXPECT_EQ("bar", node["foo"].as<std::string>("hello"));
EXPECT_EQ("hello", node["baz"].as<std::string>("hello"));
EXPECT_EQ(2, node["x"].as<int>());
EXPECT_EQ(2, node["x"].as<int>(5));
EXPECT_EQ(5, node["y"].as<int>(5));
}
TEST(LoadNodeTest, NumericConversion) {
EXPECT_EQ(1.5f, Load("1.5").as<float>());
EXPECT_EQ(1.5, Load("1.5").as<double>());
EXPECT_THROW(Load("1.5").as<int>(), TypedBadConversion<int>);
EXPECT_EQ(1, Load("1").as<int>());
EXPECT_EQ(1.0f, Load("1").as<float>());
EXPECT_NE(Load(".nan").as<float>(), Load(".nan").as<float>());
EXPECT_EQ(std::numeric_limits<float>::infinity(), Load(".inf").as<float>());
EXPECT_EQ(-std::numeric_limits<float>::infinity(), Load("-.inf").as<float>());
EXPECT_EQ(21, Load("0x15").as<int>());
EXPECT_EQ(13, Load("015").as<int>());
EXPECT_EQ(-128, +Load("-128").as<int8_t>());
EXPECT_EQ(127, +Load("127").as<int8_t>());
EXPECT_THROW(Load("128").as<int8_t>(), TypedBadConversion<signed char>);
EXPECT_EQ(255, +Load("255").as<uint8_t>());
EXPECT_THROW(Load("256").as<uint8_t>(), TypedBadConversion<unsigned char>);
// test as<char>/as<uint8_t> with a,"ab",'1',"127"
EXPECT_EQ('a', Load("a").as<char>());
EXPECT_THROW(Load("ab").as<char>(), TypedBadConversion<char>);
EXPECT_EQ('1', Load("1").as<char>());
EXPECT_THROW(Load("127").as<char>(), TypedBadConversion<char>);
EXPECT_THROW(Load("a").as<uint8_t>(), TypedBadConversion<unsigned char>);
EXPECT_THROW(Load("ab").as<uint8_t>(), TypedBadConversion<unsigned char>);
EXPECT_EQ(1, +Load("1").as<uint8_t>());
// Throw exception: convert a negative number to an unsigned number.
EXPECT_THROW(Load("-128").as<unsigned>(), TypedBadConversion<unsigned int>);
EXPECT_THROW(Load("-128").as<unsigned short>(), TypedBadConversion<unsigned short>);
EXPECT_THROW(Load("-128").as<unsigned long>(), TypedBadConversion<unsigned long>);
EXPECT_THROW(Load("-128").as<unsigned long long>(), TypedBadConversion<unsigned long long>);
EXPECT_THROW(Load("-128").as<uint8_t>(), TypedBadConversion<unsigned char>);
}
TEST(LoadNodeTest, Binary) {
Node node = Load(
"[!!binary \"SGVsbG8sIFdvcmxkIQ==\", !!binary "
"\"TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieS"
"B0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIG"
"x1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbi"
"B0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZG"
"dlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS"
"4K\"]");
EXPECT_EQ(Binary(reinterpret_cast<const unsigned char*>("Hello, World!"), 13),
node[0].as<Binary>());
EXPECT_EQ(Binary(reinterpret_cast<const unsigned char*>(
"Man is distinguished, not only by his reason, "
"but by this singular passion from other "
"animals, which is a lust of the mind, that by "
"a perseverance of delight in the continued and "
"indefatigable generation of knowledge, exceeds "
"the short vehemence of any carnal pleasure.\n"),
270),
node[1].as<Binary>());
}
TEST(LoadNodeTest, BinaryWithWhitespaces) {
Node node = Load(
"binaryText: !binary |-\n"
" TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieS\n"
" B0aGlzIHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIG\n"
" x1c3Qgb2YgdGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbi\n"
" B0aGUgY29udGludWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZG\n"
" dlLCBleGNlZWRzIHRoZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS\n"
" 4K");
EXPECT_EQ(Binary(reinterpret_cast<const unsigned char*>(
"Man is distinguished, not only by his reason, "
"but by this singular passion from other "
"animals, which is a lust of the mind, that by "
"a perseverance of delight in the continued and "
"indefatigable generation of knowledge, exceeds "
"the short vehemence of any carnal pleasure.\n"),
270),
node["binaryText"].as<Binary>());
}
TEST(LoadNodeTest, IterateSequence) {
Node node = Load("[1, 3, 5, 7]");
int seq[] = {1, 3, 5, 7};
int i = 0;
for (const_iterator it = node.begin(); it != node.end(); ++it) {
EXPECT_TRUE(i < 4);
int x = seq[i++];
EXPECT_EQ(x, it->as<int>());
}
EXPECT_EQ(4, i);
}
TEST(LoadNodeTest, IterateMap) {
Node node = Load("{a: A, b: B, c: C}");
int i = 0;
for (const_iterator it = node.begin(); it != node.end(); ++it) {
EXPECT_TRUE(i < 3);
i++;
EXPECT_EQ(it->second.as<char>(), it->first.as<char>() + 'A' - 'a');
}
EXPECT_EQ(3, i);
}
#ifdef BOOST_FOREACH
TEST(LoadNodeTest, ForEach) {
Node node = Load("[1, 3, 5, 7]");
int seq[] = {1, 3, 5, 7};
int i = 0;
BOOST_FOREACH (const Node& item, node) {
int x = seq[i++];
EXPECT_EQ(x, item.as<int>());
}
}
TEST(LoadNodeTest, ForEachMap) {
Node node = Load("{a: A, b: B, c: C}");
BOOST_FOREACH (const const_iterator::value_type& p, node) {
EXPECT_EQ(p.second.as<char>(), p.first.as<char>() + 'A' - 'a');
}
}
#endif
TEST(LoadNodeTest, CloneScalar) {
Node node = Load("!foo monkey");
Node clone = Clone(node);
EXPECT_FALSE(clone == node);
EXPECT_EQ(clone.as<std::string>(), node.as<std::string>());
EXPECT_EQ(clone.Tag(), node.Tag());
}
TEST(LoadNodeTest, CloneSeq) {
Node node = Load("[1, 3, 5, 7]");
Node clone = Clone(node);
EXPECT_FALSE(clone == node);
EXPECT_EQ(NodeType::Sequence, clone.Type());
EXPECT_EQ(clone.size(), node.size());
for (std::size_t i = 0; i < node.size(); i++) {
EXPECT_EQ(clone[i].as<int>(), node[i].as<int>());
}
}
TEST(LoadNodeTest, CloneMap) {
Node node = Load("{foo: bar}");
Node clone = Clone(node);
EXPECT_FALSE(clone == node);
EXPECT_EQ(NodeType::Map, clone.Type());
EXPECT_EQ(clone.size(), node.size());
EXPECT_EQ(clone["foo"].as<std::string>(), node["foo"].as<std::string>());
}
TEST(LoadNodeTest, CloneAlias) {
Node node = Load("&foo [*foo]");
Node clone = Clone(node);
EXPECT_FALSE(clone == node);
EXPECT_EQ(NodeType::Sequence, clone.Type());
EXPECT_EQ(clone.size(), node.size());
EXPECT_EQ(clone[0], clone);
}
TEST(LoadNodeTest, ForceInsertIntoMap) {
Node node;
node["a"] = "b";
node.force_insert("x", "y");
node.force_insert("a", 5);
EXPECT_EQ(3, node.size());
EXPECT_EQ(NodeType::Map, node.Type());
bool ab = false;
bool a5 = false;
bool xy = false;
for (const_iterator it = node.begin(); it != node.end(); ++it) {
if (it->first.as<std::string>() == "a") {
if (it->second.as<std::string>() == "b")
ab = true;
else if (it->second.as<std::string>() == "5")
a5 = true;
} else if (it->first.as<std::string>() == "x" &&
it->second.as<std::string>() == "y")
xy = true;
}
EXPECT_TRUE(ab);
EXPECT_TRUE(a5);
EXPECT_TRUE(xy);
}
TEST(LoadNodeTest, ResetNode) {
Node node = Load("[1, 2, 3]");
EXPECT_TRUE(!node.IsNull());
Node other = node;
node.reset();
EXPECT_TRUE(node.IsNull());
EXPECT_TRUE(!other.IsNull());
node.reset(other);
EXPECT_TRUE(!node.IsNull());
EXPECT_EQ(node, other);
}
TEST(LoadNodeTest, EmptyString) {
Node node = Load("\"\"");
EXPECT_TRUE(!node.IsNull());
}
TEST(LoadNodeTest, DereferenceIteratorError) {
Node node = Load("[{a: b}, 1, 2]");
EXPECT_THROW(node.begin()->first.as<int>(), InvalidNode);
EXPECT_EQ(true, (*node.begin()).IsMap());
EXPECT_EQ(true, node.begin()->IsMap());
EXPECT_THROW((*node.begin()->begin()).Type(), InvalidNode);
EXPECT_THROW(node.begin()->begin()->Type(), InvalidNode);
}
TEST(NodeTest, EmitEmptyNode) {
Node node;
Emitter emitter;
emitter << node;
EXPECT_EQ("", std::string(emitter.c_str()));
}
TEST(NodeTest, ParseNodeStyle) {
EXPECT_EQ(EmitterStyle::Flow, Load("[1, 2, 3]").Style());
EXPECT_EQ(EmitterStyle::Flow, Load("{foo: bar}").Style());
EXPECT_EQ(EmitterStyle::Block, Load("- foo\n- bar").Style());
EXPECT_EQ(EmitterStyle::Block, Load("foo: bar").Style());
}
struct ParserExceptionTestCase {
std::string name;
std::string input;
std::string expected_exception;
};
TEST(NodeTest, IncompleteJson) {
std::vector<ParserExceptionTestCase> tests = {
{"JSON map without value", "{\"access\"", ErrorMsg::END_OF_MAP_FLOW},
{"JSON map with colon but no value", "{\"access\":",
ErrorMsg::END_OF_MAP_FLOW},
{"JSON map with unclosed value quote", "{\"access\":\"",
ErrorMsg::END_OF_MAP_FLOW},
{"JSON map without end brace", "{\"access\":\"abc\"",
ErrorMsg::END_OF_MAP_FLOW},
};
for (const ParserExceptionTestCase& test : tests) {
try {
Load(test.input);
FAIL() << "Expected exception " << test.expected_exception << " for "
<< test.name << ", input: " << test.input;
} catch (const ParserException& e) {
EXPECT_EQ(test.expected_exception, e.msg);
}
}
}
struct SingleNodeTestCase {
std::string input;
NodeType nodeType;
int nodeSize;
std::string expected_content;
};
TEST(NodeTest, SpecialFlow) {
std::vector<SingleNodeTestCase> tests = {
{"[:]", NodeType::Sequence, 1, "[{~: ~}]"},
{"[a:]", NodeType::Sequence, 1, "[{a: ~}]"},
{"[:a]", NodeType::Sequence, 1, "[:a]"},
{"[,]", NodeType::Sequence, 1, "[~]"},
{"[a:,]", NodeType::Sequence, 1, "[{a: ~}]"},
{"{:}", NodeType::Map, 1, "{~: ~}"},
{"{a:}", NodeType::Map, 1, "{a: ~}"},
{"{:a}", NodeType::Map, 1, "{:a: ~}"},
{"{,}", NodeType::Map, 1, "{~: ~}"},
{"{a:,}", NodeType::Map, 1, "{a: ~}"},
//testcase for the trailing TAB of scalar
{"key\t: value\t", NodeType::Map, 1, "key: value"},
{"key\t: value\t #comment", NodeType::Map, 1, "key: value"},
{"{key\t: value\t}", NodeType::Map, 1, "{key: value}"},
{"{key\t: value\t #comment\n}", NodeType::Map, 1, "{key: value}"},
};
for (const SingleNodeTestCase& test : tests) {
Node node = Load(test.input);
Emitter emitter;
emitter << node;
EXPECT_EQ(test.nodeType, node.Type());
EXPECT_EQ(test.nodeSize, node.size());
EXPECT_EQ(test.expected_content, std::string(emitter.c_str()));
}
}
TEST(NodeTest, IncorrectFlow) {
std::vector<ParserExceptionTestCase> tests = {
{"Incorrect yaml: \"{:]\"", "{:]", ErrorMsg::FLOW_END},
{"Incorrect yaml: \"[:}\"", "[:}", ErrorMsg::FLOW_END},
};
for (const ParserExceptionTestCase test : tests) {
try {
Load(test.input);
FAIL() << "Expected exception " << test.expected_exception << " for "
<< test.name << ", input: " << test.input;
} catch (const ParserException& e) {
EXPECT_EQ(test.expected_exception, e.msg);
}
}
}
TEST(NodeTest, LoadTildeAsNull) {
Node node = Load("~");
ASSERT_TRUE(node.IsNull());
EXPECT_EQ(node.as<std::string>(), "null");
EXPECT_EQ(node.as<std::string>("~"), "null");
}
TEST(NodeTest, LoadNullWithStrTag) {
Node node = Load("!!str null");
EXPECT_EQ(node.Tag(), "tag:yaml.org,2002:str");
EXPECT_EQ(node.as<std::string>(), "null");
}
TEST(NodeTest, LoadQuotedNull) {
Node node = Load("\"null\"");
EXPECT_EQ(node.as<std::string>(), "null");
}
TEST(NodeTest, LoadTagWithParenthesis) {
Node node = Load("!Complex(Tag) foo");
EXPECT_EQ(node.Tag(), "!Complex(Tag)");
EXPECT_EQ(node.as<std::string>(), "foo");
}
TEST(NodeTest, LoadTagWithNullScalar) {
Node node = Load("!2");
EXPECT_TRUE(node.IsNull());
}
} // namespace
} // namespace YAML