public void PublicConstructor_ShouldReturn_NewInstance()
{
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new InMemoryFeatureLoadingStrategy()
});
Assert.IsNotNull(sft);
}
public void Find_When_FeatureDoesNotExist_ShouldReturn_Null()
{
const string testFileName = "test.json";
_fileReader
.Setup(x => x.ReadToEnd(testFileName))
.Returns("{\"MY_FEATURE\": 1}");
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new FileFeatureLoadingStrategy(testFileName, _fileReader.Object)
});
var result = sft.Find("NOT_A_FEATURE");
Assert.IsNull(result);
}
public void GetFeatures_When_FileLoaderRaisesException_ShouldReturn_EmptyCollectionOf_Features()
{
const string testFileName = "test.json";
_fileReader
.Setup(x => x.ReadToEnd(testFileName))
.Throws(new Exception());
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new FileFeatureLoadingStrategy(testFileName, _fileReader.Object)
});
var result = sft.GetFeatures().ToArray();
Assert.AreEqual(0, result.Length);
}
public void IsEnabled_When_FeatureNotFound_ShouldReturn_DefaultValue(bool defaultValue)
{
const string testFileName = "test.json";
_fileReader
.Setup(x => x.ReadToEnd(testFileName))
.Returns("{\"MY_FEATURE\": " + Convert.ToInt32(defaultValue) + "}");
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new FileFeatureLoadingStrategy(testFileName, _fileReader.Object)
});
var result = sft.IsEnabled("MY_FEATURE", defaultValue);
Assert.AreEqual(defaultValue, result);
}
public void IsEnabled_ShouldReturn_FeatureEnabled()
{
const string testFileName = "test.json";
_fileReader
.Setup(x => x.ReadToEnd(testFileName))
.Returns("{\"MY_FEATURE\": 1}");
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new FileFeatureLoadingStrategy(testFileName, _fileReader.Object)
});
var result = sft.IsEnabled("MY_FEATURE");
Assert.IsTrue(result);
}
public void GetFeatures_ShouldReturn_CollectionOf_Features()
{
const string testFileName = "test.json";
_fileReader
.Setup(x => x.ReadToEnd(testFileName))
.Returns("{\"test\": 1}");
var sft = new SimpleFeatureToggle(new SimpleFeatureToggleConfiguration
{
FeatureLoadingStrategy = new FileFeatureLoadingStrategy(testFileName, _fileReader.Object)
});
var result = sft.GetFeatures().ToArray();
Assert.AreEqual(1, result.Length);
Assert.AreEqual("test", result[0].Name);
Assert.IsTrue(result[0].Enabled);
}
