public async Task UpdateWithNullCriteriaReturnsFailure()
{
// Arrange
SimpleCriteria <Tag> criteria = null;
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.UpdateAsync(criteria);
// Assert
if (result.Success)
{
Assert.Fail("Expected update to fail.");
}
else
{
Assert.IsTrue(
String.Compare("Cannot update a tag using a null criteria.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
public async Task UpdateWithNullTagReturnsFailure()
{
// Arrange
SimpleCriteria <Tag> criteria = new SimpleCriteria <Tag>(TestUtility.DefaultAccountId)
{
Value = null
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.UpdateAsync(criteria);
// Assert
if (result.Success)
{
Assert.Fail("Expected update to fail.");
}
else
{
Assert.IsTrue(
String.Compare("Unable to find or access the specified Tag.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
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 UpdateWithFailedSaveReturnsFailure()
{
// Arrange
var tag = TestUtility.GetDefaultTag();
tag.Description = "new description";
SimpleCriteria <Tag> criteria = new SimpleCriteria <Tag>(TestUtility.DefaultAccountId)
{
Value = tag
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
mockContext.Setup(c => c.SaveChangesAsync()).Returns(Task.FromResult(0));
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.UpdateAsync(criteria);
// Assert
if (result.Success)
{
Assert.Fail("Expected update to fail.");
}
else
{
Assert.IsTrue(
String.Compare("The Tag failed to save.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
public async Task ReadManyReturnsAllAccountTags()
{
// Arrange
var criteria = new SimpleCriteria <EmptyClass>()
{
AccountId = TestUtility.DefaultAccountId
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.ReadManyAsync(criteria);
// Assert
if (!result.Success)
{
Assert.Fail("Expected read to succeed.");
}
else
{
Assert.IsTrue(
result.Model != null && result.Model.Count == mockTags.Object.Count(t => t.AccountId == TestUtility.DefaultAccountId),
"Expected all tags the default account only.");
}
}
public async Task ReadManyWithNoResultQueryReturnsSuccessWithEmptyList()
{
// Arrange
var criteria = new SimpleCriteria <EmptyClass>()
{
AccountId = String.Concat(TestUtility.DefaultAccountId, "X")
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.ReadManyAsync(criteria);
// Assert
if (!result.Success)
{
Assert.Fail("Expected read to succeed.");
}
else
{
Assert.IsTrue(
result.Model != null && result.Model.Count == 0,
"Expected an empty list.");
}
}
public async Task ReadWithSuccessfulFindReturnsSuccess()
{
// Arrange
var tag = TestUtility.GetDefaultTag();
var criteria = new SimpleCriteria <int>(tag.AccountId)
{
Value = tag.Id
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.ReadAsync(criteria);
// Assert
if (result.Success)
{
Assert.IsTrue(TagsMatch(result.Model, tag), "Tag returned was not correct.");
}
else
{
Assert.Fail("Expected read to succeed.");
}
}
public async Task ReadWithInvalidIdReturnsFailure()
{
// Arrange
var tag = TestUtility.GetDefaultTag();
var criteria = new SimpleCriteria <int>(tag.AccountId)
{
Value = -1
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.ReadAsync(criteria);
// Assert
if (result.Success)
{
Assert.Fail("Expected read to fail.");
}
else
{
Assert.IsTrue(
String.Compare("Unable to find or access the specified Tag.", result.ErrorMessage) == 0,
"Expected error message was not returned.");
}
}
public async Task UpdateWithSuccessSavesCorrectData()
{
// Arrange
var tag = TestUtility.GetDefaultTag();
tag.AccountId = String.Concat(TestUtility.DefaultAccountId, "XYZ");
tag.Description = "new description";
tag.Recipes = new List <Recipe>()
{
new Recipe()
{
Name = "test"
}
};
tag.RowVersion = new byte[5];
SimpleCriteria <Tag> criteria = new SimpleCriteria <Tag>(TestUtility.DefaultAccountId)
{
Value = tag
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
mockContext.Setup(c => c.SaveChangesAsync()).Returns(Task.FromResult(1));
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.UpdateAsync(criteria);
// Assert
if (!result.Success)
{
Assert.Fail("Expected update to succeed.");
}
else if (result.Model == null)
{
Assert.Fail("Expected non-null return model.");
}
else
{
bool correctDataSaved = String.Compare(result.Model.Description, tag.Description) == 0 &&
String.Compare(result.Model.AccountId, tag.AccountId) != 0 &&
(result.Model.Recipes == null || result.Model.Recipes.Count == 0) &&
result.Model.RowVersion == null;
Assert.IsTrue(correctDataSaved, "Save did not update data correctly.");
}
}
public async Task ReadManyReturnsTagsOrderdByDescription()
{
// Arrange
var criteria = new SimpleCriteria <EmptyClass>()
{
AccountId = TestUtility.DefaultAccountId
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.ReadManyAsync(criteria);
// Assert
if (!result.Success)
{
Assert.Fail("Expected read to succeed.");
}
if (result.Model == null || result.Model.Count < 2)
{
Assert.Fail("Expected a valid return list.");
}
else
{
var descriptions = result.Model
.Select(t => t.Description)
.ToArray();
bool isOrdered = true;
for (int i = 0; i < descriptions.Length - 1; i++)
{
if (String.Compare(descriptions[i], descriptions[i + 1]) > 0)
{
isOrdered = false;
break;
}
}
Assert.IsTrue(isOrdered, "Expected retuned list to be ordered by Description.");
}
}
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 DeleteWithSuccessfulSaveReturnsSuccess()
{
// Arrange
var tag = TestUtility.GetDefaultTag();
var criteria = new SimpleCriteria <int>(tag.AccountId)
{
Value = tag.Id
};
var mockContext = new Mock <IRecipeBoxContext>();
var mockTags = TestUtility.GetTagsDbSet();
mockContext.Setup(c => c.Tags).Returns(mockTags.Object);
mockContext.Setup(c => c.SaveChangesAsync()).Returns(Task.FromResult(1));
var dataManager = new TagDataManager(mockContext.Object);
// Act
var result = await dataManager.DeleteAsync(criteria);
// Assert
Assert.IsTrue(result.Success, "Expected delete to succeed.");
}
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.");
}
}