public async Task ProcessesNoBatchesWhenCursorsAreCaughtUp()
{
Front.Value = DateTime.Parse("2019-11-04T04:00:00");
var output = await Target.Object.RunAsync(Front, Back, Token);
Assert.Empty(Target.Object.Batches);
HttpRetryStrategy.Verify(
x => x.SendAsync(It.IsAny <HttpClient>(), It.IsAny <Uri>(), It.IsAny <CancellationToken>()),
Times.Once);
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/index.json"), It.IsAny <CancellationToken>()));
}
public async Task CanFetchTheEntireCatalog()
{
var output = await Target.Object.RunAsync(Front, Back, Token);
Assert.Equal(OrderedCommitIds.ToArray(), Target.Object.Batches.Select(x => x.Single().CommitId).ToArray());
HttpRetryStrategy.Verify(
x => x.SendAsync(It.IsAny <HttpClient>(), It.IsAny <Uri>(), It.IsAny <CancellationToken>()),
Times.Exactly(5));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/index.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page0.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page1.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page2.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page3.json"), It.IsAny <CancellationToken>()));
}
public async Task FetchesUpToNextPageWhenBackCursorIsAtTheBeginningOfTheNonLastPage()
{
Front.Value = DateTime.Parse("2019-11-04T00:30:00");
Back.Value = DateTime.Parse("2019-11-04T01:01:00");
var output = await Target.Object.RunAsync(Front, Back, Token);
Assert.Equal(OrderedCommitIds.Skip(2).Take(2).ToArray(), Target.Object.Batches.Select(x => x.Single().CommitId).ToArray());
HttpRetryStrategy.Verify(
x => x.SendAsync(It.IsAny <HttpClient>(), It.IsAny <Uri>(), It.IsAny <CancellationToken>()),
Times.Exactly(3));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/index.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page0.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page1.json"), It.IsAny <CancellationToken>()));
}
public async Task SkipsPagesWhenFrontCursorIsAfterEnd()
{
Front.Value = DateTime.Parse("2019-11-04T01:00:00");
Back.Value = DateTime.Parse("2019-11-04T02:01:00");
var output = await Target.Object.RunAsync(Front, Back, Token);
Assert.Equal(OrderedCommitIds.Skip(3).Take(4).ToArray(), Target.Object.Batches.Select(x => x.Single().CommitId).ToArray());
HttpRetryStrategy.Verify(
x => x.SendAsync(It.IsAny <HttpClient>(), It.IsAny <Uri>(), It.IsAny <CancellationToken>()),
Times.Exactly(3));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/index.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page1.json"), It.IsAny <CancellationToken>()));
HttpRetryStrategy.Verify(x => x.SendAsync(It.IsAny <HttpClient>(), new Uri("https://example/catalog/page2.json"), It.IsAny <CancellationToken>()));
}
