public async Task GetPhotosWithCommentsAndLikes_PassesExpectedQueryParametersAsync()
{
// Mock<IAmazonDynamoDB> dbClientMock = GetMockedDbClient();
List <ScanRequest> observerdScanRequests = new List <ScanRequest>();
dynamoDbCoreMock
.Setup(x => x.Scan(It.IsAny <ScanRequest>(), It.IsAny <IValueMapper <Dictionary <string, AttributeValue> > >()))
.Callback <ScanRequest, IValueMapper <Dictionary <string, AttributeValue> > >((query, valueMapper) => observerdScanRequests.Add(query))
.Returns <ScanRequest, IValueMapper <Dictionary <string, AttributeValue> > >((query, valueMapper) => Task.FromResult(GetExpectedScanDataset()));
//Given
var repository = new DynamoDbPhotoRepository(dynamoDbCoreMock.Object, systemMock.Object, logWriterFactoryMock.Object);
//When
var items = await repository.GetPhotosWithCommentsAndLikesForScoring(referenceTime);
//Then
observerdScanRequests.Count.ShouldBe(2);
observerdScanRequests[0].TableName.ShouldBe(tableName);
observerdScanRequests[0].IndexName.ShouldBe("GSI2"); // from GetTouchedPhotoIds
observerdScanRequests[1].IndexName.ShouldBeNull();
observerdScanRequests[1].FilterExpression.ShouldNotBeEmpty();
}
public async Task GetPhotosWithCommentsAndLikes_ParsesResponseCorrectlyAsync()
{
var repository = new DynamoDbPhotoRepository(dynamoDbCoreMock.Object, systemMock.Object, logWriterFactoryMock.Object);
var items = await repository.GetPhotosWithCommentsAndLikesForScoring(referenceTime);
items.Count().ShouldBe(3);
var firstItem = items.First();
firstItem.Photo.ShouldNotBeNull();
firstItem.Comments.Count().ShouldBe(4);
firstItem.Likes.Count().ShouldBe(4);
}
public async Task SetPhotoText_NoHashtagChange_DoesNotCallBatchWriteItems()
{
Guid photoId = new Guid("36d8ba29-b39b-4e54-bdb4-c53ab5a89384");
UserId userId = new Guid("c72e750d-c15f-43bf-be30-a94b5517f03e");
DateTimeOffset createdTime = DateTimeOffset.UtcNow;
var photo = new PhotoModel
{
PhotoId = photoId,
UserId = userId,
Hashtags = new[] {
new HashtagModel {
PhotoId = photoId, Hashtag = "#hashtag1"
},
new HashtagModel {
PhotoId = photoId, Hashtag = "#hashtag2"
}
},
State = PhotoState.PhotoAvailable
};
var repository = new DynamoDbPhotoRepository(dynamoDbCoreMock.Object, systemMock.Object, logWriterFactoryMock.Object);
dynamoDbCoreMock
.Setup(x => x.BatchGetItem(It.IsAny <BatchGetItemRequest>()))
.Returns(() => GetBatchGetItemResponse(photo));
bool batchWriteItemWasCalled = false;
dynamoDbCoreMock
.Setup(x => x.BatchWriteItem(It.IsAny <BatchWriteItemRequest>()))
.Callback <BatchWriteItemRequest>(requests =>
{
batchWriteItemWasCalled = true;
});
HashtagModel[] newHashtags = new[]
{
new HashtagModel {
PhotoId = photo.PhotoId, Hashtag = "#hashtag1", CreatedTime = createdTime
},
new HashtagModel {
PhotoId = photo.PhotoId, Hashtag = "#hashtag2", CreatedTime = createdTime
}
};
await repository.SetPhotoText(photo.UserId, photo.PhotoId, photo.RawText, newHashtags);
batchWriteItemWasCalled.ShouldBeFalse();
}
public async Task SetPhotoText_AddAndRemovesHashtags()
{
Guid photoId = new Guid("36d8ba29-b39b-4e54-bdb4-c53ab5a89384");
UserId userId = new Guid("c72e750d-c15f-43bf-be30-a94b5517f03e");
DateTimeOffset createdTime = DateTimeOffset.UtcNow;
var photo = new PhotoModel
{
PhotoId = photoId,
UserId = userId,
Hashtags = new[] {
new HashtagModel {
PhotoId = photoId, Hashtag = "#hashtag1"
},
new HashtagModel {
PhotoId = photoId, Hashtag = "#hashtag2"
}
},
State = PhotoState.PhotoAvailable
};
var repository = new DynamoDbPhotoRepository(dynamoDbCoreMock.Object, systemMock.Object, logWriterFactoryMock.Object);
dynamoDbCoreMock
.Setup(x => x.BatchGetItem(It.IsAny <BatchGetItemRequest>()))
.Returns(() => GetBatchGetItemResponse(photo));
BatchWriteItemRequest observedBatchRequest = null;
dynamoDbCoreMock
.Setup(x => x.BatchWriteItem(It.IsAny <BatchWriteItemRequest>()))
.Callback <BatchWriteItemRequest>(requests =>
{
observedBatchRequest = requests;
});
HashtagModel[] newHashtags = new[]
{
new HashtagModel {
PhotoId = photo.PhotoId, Hashtag = "#hashtag1", CreatedTime = createdTime
},
new HashtagModel {
PhotoId = photo.PhotoId, Hashtag = "#hashtag3", CreatedTime = createdTime
}
};
await repository.SetPhotoText(photo.UserId, photo.PhotoId, photo.RawText, newHashtags);
observedBatchRequest.ShouldNotBeNull();
var requestItems = observedBatchRequest.RequestItems[tableName];
requestItems.Count.ShouldBe(2);
var deleteRequest = requestItems.First(x => x.DeleteRequest != null);
var putRequest = requestItems.First(x => x.PutRequest != null);
// verify that hashtag2 is removed
deleteRequest.DeleteRequest.Key[FieldMappings.Hashtag.HastagId].S.ShouldBe("hash|hashtag2");
deleteRequest.DeleteRequest.Key[FieldMappings.Hashtag.PhotoId].S.ShouldBe(photo.PhotoId.ToDbValue());
// verify that hashtag3 is added
putRequest.PutRequest.Item[FieldMappings.Hashtag.HastagId].S.ShouldBe("hash|hashtag3");
putRequest.PutRequest.Item[FieldMappings.Hashtag.PhotoId].S.ShouldBe(photo.PhotoId.ToDbValue());
putRequest.PutRequest.Item[FieldMappings.Hashtag.CreatedTime].S.ShouldBe(createdTime.ToString(Constants.DateTimeFormatWithMilliseconds));
}
