public async Task CreateWithFailedSaveReturnsFailure()
{
// Arrange
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet(new List <Tag>());
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
mockContext.Setup(c => c.SaveChangesAsync()).Returns(Task.FromResult(0));
var tag = TestUtility.GetDefaultTag();
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.CreateAsync(tag);
// Assert
if (result.Success)
{
Assert.Fail("Expected create to fail.");
}
else
{
Assert.IsTrue(
String.Compare("The Tag failed to save.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
public async Task CreateWithNullTagReturnsError()
{
// Arrange
var mockContext = new Mock <IRecipeBoxContext>();
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.CreateAsync(null);
// Assert
if (result.Success)
{
Assert.Fail("Expected create to fail.");
}
else
{
Assert.IsTrue(
String.Compare("Tag is null.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
public async Task CreateWithSuccessfulSaveReturnsSuccessWithValidTag()
{
// Arrange
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet(new List <Tag>());
mockContext.Setup(c => c.SaveChangesAsync()).Returns(Task.FromResult(1));
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var tag = TestUtility.GetDefaultTag();
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.CreateAsync(tag);
// Assert
if (result.Success)
{
Assert.IsTrue(TagsMatch(result.Model, tag), "Tag returned was not correct.");
}
else
{
Assert.Fail("Expected create to succeed.");
}
}