public void FormatMessage_caches_reused_pattern()
{
var parserMock = new Mock<IPatternParser>();
var realParser = new PatternParser(new LiteralParser());
parserMock.Setup(x => x.Parse(It.IsAny<StringBuilder>()))
.Returns((StringBuilder sb) => realParser.Parse(sb));
var library = new FormatterLibrary();
var subject = new MessageFormatter(patternParser: parserMock.Object, library: library, useCache: true);
var pattern = "Hi {gender, select, male {Sir} female {Ma'am}}!";
var actual = subject.FormatMessage(pattern, new { gender = "male" });
Assert.Equal("Hi Sir!", actual);
// '2' because it did not format "Ma'am" yet.
parserMock.Verify(x => x.Parse(It.IsAny<StringBuilder>()), Times.Exactly(2));
actual = subject.FormatMessage(pattern, new { gender = "female" });
Assert.Equal("Hi Ma'am!", actual);
parserMock.Verify(x => x.Parse(It.IsAny<StringBuilder>()), Times.Exactly(3));
// '3' because it has cached all options
actual = subject.FormatMessage(pattern, new { gender = "female" });
Assert.Equal("Hi Ma'am!", actual);
parserMock.Verify(x => x.Parse(It.IsAny<StringBuilder>()), Times.Exactly(3));
}
private static string getMessage(int count, object[] inputs, MessageFormatter formatter)
{
var sb = new StringBuilder();
sb.AppendFormat("Expected {0} messages, but the following {1} were generated:", count, inputs.Length);
sb.AppendLine();
foreach (var input in inputs)
{
sb.AppendLine(formatter.FormatMessage(input));
}
sb.AppendLine("--End of expected messages--");
return sb.ToString();
}
public void FormatMessage()
{
var patternParserMock = new Mock<IPatternParser>();
var libraryMock = new Mock<IFormatterLibrary>();
var collectionMock = new Mock<IFormatterRequestCollection>();
var formatterMock1 = new Mock<IFormatter>();
var formatterMock2 = new Mock<IFormatter>();
var subject = new MessageFormatter(patternParserMock.Object, libraryMock.Object, false, locale: "en");
// I can use a bogus plural argument. Mocks <3
var pattern = "{name} has {messages, plural, 123}.";
var expected = "Jeff has 123 messages.";
var args = new Dictionary<string, object> { { "name", "Jeff" }, { "messages", 1 } };
var requests = new[]
{
new FormatterRequest(
new Literal(0, 5, 1, 7, new StringBuilder("name")),
"name",
null,
null),
new FormatterRequest(
new Literal(11, 33, 1, 7, new StringBuilder("messages, plural, 123")),
"messages",
"plural",
" 123")
};
formatterMock1.Setup(x => x.Format("en", requests[0], args, subject)).Returns("Jeff");
formatterMock2.Setup(x => x.Format("en", requests[1], args, subject)).Returns("123 messages");
collectionMock.Setup(x => x.GetEnumerator()).Returns(EnumeratorMock(requests));
libraryMock.Setup(x => x.GetFormatter(requests[0])).Returns(formatterMock1.Object);
libraryMock.Setup(x => x.GetFormatter(requests[1])).Returns(formatterMock2.Object);
patternParserMock.Setup(x => x.Parse(It.IsAny<StringBuilder>())).Returns(collectionMock.Object);
// First request, and "name" is 4 chars.
collectionMock.Setup(x => x.ShiftIndices(0, 4)).Callback(
(int index, int length) => {
// The '- 2' is also done in the used implementation.
requests[1].SourceLiteral.ShiftIndices(length - 2, requests[0].SourceLiteral);
});
var actual = subject.FormatMessage(pattern, args);
collectionMock.Verify(x => x.ShiftIndices(0, 4), Times.Once);
Assert.Equal(expected, actual);
}
public void FormatMessage_debug()
{
var source = @"{gender, select,
male {He}
female {She}
other {They}
} said: You have {count, plural,
zero {no notifications}
one {just one notification}
=42 {a universal amount of notifications}
other {# notifications}
}. Have a nice day!";
var expected = "He said: You have 5 notifications. Have a nice day!";
var args = new Dictionary<string, object> { { "gender", "male" }, { "count", 5 } };
var subject = new MessageFormatter(false);
string result = subject.FormatMessage(source, args);
Assert.Equal(expected, result);
}
public void FormatMessage_nesting_with_brace_escaping()
{
var subject = new MessageFormatter(false);
var pattern = @"{s1, select,
1 {{s2, select,
2 {\{}
}}
}";
var actual = subject.FormatMessage(pattern, new { s1 = 1, s2 = 2 });
this.outputHelper.WriteLine(actual);
Assert.Equal("{", actual);
}
public void FormatMessage_with_reflection_overload()
{
var subject = new MessageFormatter(false);
var pattern = "You have {UnreadCount, plural, " + "zero {no unread messages}"
+ "one {just one unread message}" + "other {# unread messages}" + "} today.";
var actual = subject.FormatMessage(pattern, new { UnreadCount = 0 });
Assert.Equal("You have no unread messages today.", actual);
// The absence of UnreadCount means it will be treated as "zero".
actual = subject.FormatMessage(pattern, new { });
Assert.Equal("You have no unread messages today.", actual);
actual = subject.FormatMessage(pattern, new { UnreadCount = 1 });
Assert.Equal("You have just one unread message today.", actual);
actual = subject.FormatMessage(pattern, new { UnreadCount = 2 });
Assert.Equal("You have 2 unread messages today.", actual);
actual = subject.FormatMessage(pattern, new { UnreadCount = 3 });
Assert.Equal("You have 3 unread messages today.", actual);
}
public void ReadMe_test_to_make_sure_I_dont_look_like_a_fool()
{
{
var mf = new MessageFormatter(false);
var str = @"You have {notifications, plural,
zero {no notifications}
one {one notification}
=42 {a universal amount of notifications}
other {# notifications}
}. Have a nice day, {name}!";
var formatted = mf.FormatMessage(
str,
new Dictionary<string, object> { { "notifications", 4 }, { "name", "Jeff" } });
Assert.Equal("You have 4 notifications. Have a nice day, Jeff!", formatted);
}
{
var mf = new MessageFormatter(false);
var str = @"You {NUM_ADDS, plural, offset:1
=0{didnt add this to your profile}
zero{added this to your profile}
one{and one other person added this to their profile}
other{and # others added this to their profiles}
}.";
var formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM_ADDS", 0 } });
Assert.Equal("You didnt add this to your profile.", formatted);
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM_ADDS", 1 } });
Assert.Equal("You added this to your profile.", formatted);
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM_ADDS", 2 } });
Assert.Equal("You and one other person added this to their profile.", formatted);
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM_ADDS", 3 } });
Assert.Equal("You and 2 others added this to their profiles.", formatted);
}
{
var mf = new MessageFormatter(false);
var str = @"{GENDER, select,
male {He}
female {She}
other {They}
} found {NUM_RESULTS, plural,
one {1 result}
other {# results}
} in {NUM_CATEGORIES, plural,
one {1 category}
other {# categories}
}.";
var formatted = mf.FormatMessage(
str,
new Dictionary<string, object>
{
{ "GENDER", "male" },
{ "NUM_RESULTS", 1 },
{ "NUM_CATEGORIES", 2 }
});
Assert.Equal(formatted, "He found 1 result in 2 categories.");
formatted = mf.FormatMessage(
str,
new Dictionary<string, object>
{
{ "GENDER", "male" },
{ "NUM_RESULTS", 1 },
{ "NUM_CATEGORIES", 1 }
});
Assert.Equal(formatted, "He found 1 result in 1 category.");
formatted = mf.FormatMessage(
str,
new Dictionary<string, object>
{
{ "GENDER", "female" },
{ "NUM_RESULTS", 2 },
{ "NUM_CATEGORIES", 1 }
});
Assert.Equal(formatted, "She found 2 results in 1 category.");
}
{
var mf = new MessageFormatter(false);
var str = @"Your {NUM, plural, one{message} other{messages}} go here.";
var formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM", 1 } });
Assert.Equal(formatted, "Your message go here.");
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "NUM", 3 } });
Assert.Equal(formatted, "Your messages go here.");
}
{
var mf = new MessageFormatter(false);
var str = @"His name is {LAST_NAME}... {FIRST_NAME} {LAST_NAME}";
var formatted = mf.FormatMessage(
str,
new Dictionary<string, object> { { "FIRST_NAME", "James" }, { "LAST_NAME", "Bond" } });
Assert.Equal(formatted, "His name is Bond... James Bond");
}
{
var mf = new MessageFormatter(false);
var str = @"{GENDER, select, male{He} female{She} other{They}} liked this.";
var formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "GENDER", "male" } });
Assert.Equal(formatted, "He liked this.");
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "GENDER", "female" } });
Assert.Equal(formatted, "She liked this.");
formatted = mf.FormatMessage(str, new Dictionary<string, object> { { "GENDER", "somethingelse" } });
Assert.Equal(formatted, "They liked this.");
formatted = mf.FormatMessage(str, new Dictionary<string, object> { });
Assert.Equal(formatted, "They liked this.");
}
{
var mf = new MessageFormatter(true, "en");
mf.Pluralizers["en"] = n => {
// ´n´ is the number being pluralized.
if (n == 0)
{
return "zero";
}
if (n == 1)
{
return "one";
}
if (n > 1000)
{
return "thatsalot";
}
return "other";
};
var actual =
mf.FormatMessage(
"You have {number, plural, thatsalot {a shitload of notifications} other {# notifications}}",
new Dictionary<string, object> { { "number", 1001 } });
Assert.Equal("You have a shitload of notifications", actual);
}
}
public void FormatMessage(string source, Dictionary<string, object> args, string expected)
{
var subject = new MessageFormatter(false);
// Warmup
subject.FormatMessage(source, args);
Benchmark.Start("Formatting", this.outputHelper);
string result = subject.FormatMessage(source, args);
Benchmark.End(this.outputHelper);
Assert.Equal(expected, result);
this.outputHelper.WriteLine(result);
}
public void FormatMessage_lets_non_ascii_characters_right_through()
{
var input = "中test中国话不用彁字。";
var subject = new MessageFormatter(false);
var actual = subject.FormatMessage(input, new Dictionary<string, object>());
Assert.Equal(input, actual);
}
public void FormatMessage_using_real_parser_and_library_mock(string source, string expected)
{
var mockLibary = new Mock<IFormatterLibrary>();
var dummyFormatter = new Mock<IFormatter>();
var subject = new MessageFormatter(
new PatternParser(new LiteralParser()),
mockLibary.Object,
false);
var args = new Dictionary<string, object>();
args.Add("name", "Jeff");
dummyFormatter.Setup(x => x.Format("en", It.IsAny<FormatterRequest>(), args, "Jeff", subject))
.Returns("Jeff");
mockLibary.Setup(x => x.GetFormatter(It.IsAny<FormatterRequest>())).Returns(dummyFormatter.Object);
// Warm up
Benchmark.Start("Warm-up", this.outputHelper);
subject.FormatMessage(source, args);
Benchmark.End(this.outputHelper);
Benchmark.Start("Aaaand a few after warm-up", this.outputHelper);
for (int i = 0; i < 1000; i++)
{
subject.FormatMessage(source, args);
}
Benchmark.End(this.outputHelper);
Assert.Equal(expected, subject.FormatMessage(source, args));
}
public void DescribeTo(SpecInfo spec, MessageFormatter formatter)
{
spec.ReportExpectation(formatter.FormatMessage(_expected));
}
/// <summary>
/// The benchmark.
/// </summary>
/// <param name="subject">
/// The subject.
/// </param>
private void Benchmark(MessageFormatter subject)
{
var pattern = "\r\n----\r\nOh {name}? And if we were " + "to surround {gender, select, " + "male {his} "
+ "female {her}" + "} name with \\{ and \\}, it would look "
+ "like \\{{name}\\}? Yeah, I know {gender, select, " + "male {him} " + "female {her}"
+ "}. {gender, select, " + "male {He's}" + "female {She's}" + "} got {messageCount, plural, "
+ "zero {no messages}" + "one {just one message}" + "=42 {a universal amount of messages}"
+ "other {uuhm... let's see.. Oh yeah, # messages - and here's a pound: \\#}" + "}!";
int iterations = 100000;
var args = new Dictionary<string, object>[iterations];
var rnd = new Random();
for (int i = 0; i < iterations; i++)
{
var val = rnd.Next(50);
args[i] =
new
{
gender = val % 2 == 0 ? "male" : "female",
name = val % 2 == 0 ? "Jeff" : "Amanda",
messageCount = val
}.ToDictionary();
}
TestHelpers.Benchmark.Start("Formatting message " + iterations + " times, no warm-up.", this.outputHelper);
var output = new StringBuilder();
for (int i = 0; i < iterations; i++)
{
output.AppendLine(subject.FormatMessage(pattern, args[i]));
}
TestHelpers.Benchmark.End(this.outputHelper);
this.outputHelper.WriteLine(output.ToString());
}
public void DescribeTo(Func<string, SpecInfo> func, MessageFormatter formatter)
{
func(_description ?? formatter.FormatMessage(_message));
}
public void FormatMessage_with_reflection_overload()
{
var subject = new MessageFormatter(false);
const string Pattern = "You have {UnreadCount, plural, "
+ "zero {no unread messages}"
+ "one {just one unread message}" + "other {# unread messages}" + "} today.";
var actual = subject.FormatMessage(Pattern, new { UnreadCount = 0 });
Assert.Equal("You have no unread messages today.", actual);
// The absence of UnreadCount should make it throw.
var ex = Assert.Throws<VariableNotFoundException>(() => subject.FormatMessage(Pattern, new { }));
Assert.Equal("UnreadCount", ex.MissingVariable);
actual = subject.FormatMessage(Pattern, new { UnreadCount = 1 });
Assert.Equal("You have just one unread message today.", actual);
actual = subject.FormatMessage(Pattern, new { UnreadCount = 2 });
Assert.Equal("You have 2 unread messages today.", actual);
actual = subject.FormatMessage(Pattern, new { UnreadCount = 3 });
Assert.Equal("You have 3 unread messages today.", actual);
}
/// <summary>
/// Persists message <paramref name="message"/>.
/// </summary>
/// <param name="message">Message to be persisted.</param>
public override void Persist(IMessage message)
{
Debug.WriteLine(MessageFormatter.FormatMessage(message, FormatString));
}