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));
}
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));
}
public void GetFormatter()
{
var subject = new FormatterLibrary();
var mock1 = new Mock<IFormatter>();
var mock2 = new Mock<IFormatter>();
var req = new FormatterRequest(new Literal(1, 1, 1, 1, new StringBuilder()), "test", "dawg", null);
subject.Add(mock1.Object);
subject.Add(mock2.Object);
Assert.Throws<FormatterNotFoundException>(() => subject.GetFormatter(req));
mock2.Setup(x => x.CanFormat(req)).Returns(true);
var actual = subject.GetFormatter(req);
Assert.Same(mock2.Object, actual);
mock1.Setup(x => x.CanFormat(req)).Returns(true);
actual = subject.GetFormatter(req);
Assert.Same(mock1.Object, actual);
}
public void GetFormatter()
{
var subject = new FormatterLibrary();
var mock1 = new Mock <IFormatter>();
var mock2 = new Mock <IFormatter>();
var req = new FormatterRequest(new Literal(1, 1, 1, 1, new StringBuilder()), "test", "dawg", null);
subject.Add(mock1.Object);
subject.Add(mock2.Object);
Assert.Throws <FormatterNotFoundException>(() => subject.GetFormatter(req));
mock2.Setup(x => x.CanFormat(req)).Returns(true);
var actual = subject.GetFormatter(req);
Assert.Same(mock2.Object, actual);
mock1.Setup(x => x.CanFormat(req)).Returns(true);
actual = subject.GetFormatter(req);
Assert.Same(mock1.Object, actual);
}
