private void ShouldThrowArgumentNullException()
{
Assert.Throws <ArgumentNullException>(() =>
{
var _ = new OptionMetaProvider(null);
});
}
private void ShouldThrowArgumentNullExceptionWhenGettingMetadata(
OptionMetaProvider sut)
{
Assert.Throws <ArgumentNullException>(() =>
{
var _ = sut.GetMetadata(null)
.ToArray();
});
}
private void ShouldCreateInstance(IEnumOptionsExtractor enumOptionsExtractor)
{
try
{
var _ = new OptionMetaProvider(enumOptionsExtractor);
}
catch
{
Assert.True(false, "Exception was thrown when none was expected!");
}
}
private void ShouldGetOptionsFromEnumOptionsExtractor(
[Frozen] Mock <IEnumOptionsExtractor> enumOptionsExtractor,
FieldGenerationContext fieldGenerationContext,
OptionMetaProvider sut)
{
var _ = sut.GetMetadata(fieldGenerationContext).ToArray();
FieldOption[] options;
enumOptionsExtractor
.Verify(e =>
e.TryGetEnumOptions(
fieldGenerationContext.FieldDescriptor.PropertyType,
out options
), Times.Once);
}
private void ShouldReturnEmptyMetadata(
[Frozen] Mock <IEnumOptionsExtractor> enumOptionsExtractor,
FieldGenerationContext fieldGenerationContext,
OptionMetaProvider sut)
{
FieldOption[] options;
enumOptionsExtractor
.Setup(e =>
e.TryGetEnumOptions(
fieldGenerationContext.FieldDescriptor.PropertyType,
out options
))
.Returns(false);
var metadata = sut.GetMetadata(fieldGenerationContext).ToArray();
Assert.Empty(metadata);
}
private void ShouldReturnMetadata(
[Frozen] Mock <IEnumOptionsExtractor> enumOptionsExtractor,
FieldGenerationContext fieldGenerationContext,
#pragma warning disable xUnit1026 // Theory methods should use all of their parameters
FieldOption[] expectedFieldOptions,
#pragma warning restore xUnit1026 // Theory methods should use all of their parameters
OptionMetaProvider sut)
{
enumOptionsExtractor
.Setup(e =>
e.TryGetEnumOptions(
fieldGenerationContext.FieldDescriptor.PropertyType,
out expectedFieldOptions
))
.Returns(true);
var metadata = sut.GetMetadata(fieldGenerationContext).ToArray();
Assert.Equal(new KeyValuePair <string, object>("type", "option"), metadata[0]);
Assert.Same("options", metadata[1].Key);
Assert.Same(expectedFieldOptions, metadata[1].Value);
}
