public void Returns_ByDefault_WorkForIgnoreArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.IsValidLogFileName(Arg.Any <string>()).Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("a.txt"));
}
public void SubstituteFor_ForInterfaces_ReturnsAFakeInterface()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
var result = fakeRules.IsValidLogFileName("something.bla");
Assert.IsFalse(fakeRules.IsValidLogFileName("something.bla"));
}
public void Returns_ByDefault_WorkForHardCodeArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.IsValidLogFileName("a.txt").Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("a.txt"));
}
public void Returns_ByDefault_WorksForHardCodedArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.IsValidLogFileName(Arg.Any <String>()).Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("strict.txt"));
}
public void Returns_ArgAny_IgnoresArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.IsValidLogFileName(Arg.Any <string>()).Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("anything, really"));
}
public void Returns_ByDefault_WorksForHardCodedArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
//when this is called that is returned
fakeRules.IsValidLogFileName("strict.txt").Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("strict.txt"));
}
public void Returns_ByDefault_WorksForHardCodedArgument2()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
//这个Arg.Any<string>()就是参数匹配器，只要是string都会返回一个假值(例子里是true)
fakeRules.IsValidLogFileName(Arg.Any <string>()).Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("anything.txt"));
}
public void Returns_ByDefault_WorksForAnyArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
//return this when input is _any_ string
fakeRules.IsValidLogFileName(Arg.Any <String>())
.Returns(true);
Assert.IsTrue(fakeRules.IsValidLogFileName("anything.txt"));
}
public void Returns_ByDefault_WorksForHardCodedArgument()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
//强制方法调用时返回一个假值
fakeRules.IsValidLogFileName("strict.txt").Returns(true);
//因为调用了“fakeRules.IsValidLogFileName("strict.txt")”所以根据框架设置，返回了true
Assert.IsTrue(fakeRules.IsValidLogFileName("strict.txt"));
}
public void Returns_ArgAny_Throws()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.When(x => x.IsValidLogFileName(Arg.Any <string>())).Do(context => { throw new Exception("sztuczny wyjątek"); });
Assert.Throws <Exception>(() => fakeRules.IsValidLogFileName("cokolwiek"));
}
public void Analyze_FileNameTooShort_CallLogger_ArgMatch()
{
IFileNameRules rule = Substitute.For <IFileNameRules>();
rule.IsValidLogFileName(Arg.Any <string>()).Returns(true);
var analyzer = new LogAnalyzer(rule);
Assert.IsTrue(analyzer.IsValidFileName("a1.txt"));
}
public void Returns_ArgAny_Throws()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.When(x => x.IsValidLogFileName(Arg.Any <string>()))
.Do(a => { throw new Exception("fake exception"); });
Assert.Throws <Exception>(() =>
fakeRules.IsValidLogFileName("anything"));
}
public void Returns_ArgAny_Throws()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
//When方法必须使用Lambda表达式，其中x代表要改变行为的伪对象，context包含调用的参数值
fakeRules.When(x => x.IsValidLogFileName(Arg.Any <string>()))
.Do(context => { throw new Exception("fake exception"); });
Assert.Throws <Exception>(() => fakeRules.IsValidLogFileName("anything"));
}
public void Returns_ArgAny_Throws()
{
IFileNameRules fakeRules = Substitute.For <IFileNameRules>();
fakeRules.When(x => x.IsValidLogFileName(Arg.Any <string>())) // x signifies fake object behaviour is changed on
.Do(context => // context is callinfo property from NSub holding argument values at runtime.
// allows cool things to be done in more advanced scenarios
{ throw new Exception("fake exception"); });
Assert.Throws <Exception>(() =>
fakeRules.IsValidLogFileName("anything"));
}
public bool IsValidFileName(string fileName)
{
return(fileNameRules.IsValidLogFileName(fileName));
}