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Replace Cosmos Db metadata query with container query #2215

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Replace Cosmos Db metadata query with container query #2215

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20 changes: 9 additions & 11 deletions src/HealthChecks.CosmosDb/AzureCosmosDbHealthCheck.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,23 +31,21 @@ public async Task<HealthCheckResult> CheckHealthAsync(HealthCheckContext context
{
try
{
if (_options is {DatabaseId: not null, ContainerIds: not null})
{
foreach (var containerId in _options.ContainerIds)
{
var container = _cosmosClient.GetContainer(_options.DatabaseId, containerId);
var query = new QueryDefinition($"SELECT 1 FROM {containerId}");
using var queryStream = container.GetItemQueryStreamIterator(query);
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Don't you need to call .ReadNextAsync() to execute the operation against the container?

}
}
await _cosmosClient.ReadAccountAsync().ConfigureAwait(false);

if (_options.DatabaseId != null)
{
var database = _cosmosClient.GetDatabase(_options.DatabaseId);
await database.ReadAsync(cancellationToken: cancellationToken).ConfigureAwait(false);

if (_options.ContainerIds != null)
{
foreach (var container in _options.ContainerIds)
{
await database
.GetContainer(container)
.ReadContainerAsync(cancellationToken: cancellationToken)
.ConfigureAwait(false);
}
}
}

return HealthCheckResult.Healthy();
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148 changes: 39 additions & 109 deletions test/HealthChecks.CosmosDb.Tests/CosmosDbHealthCheckTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -107,166 +107,96 @@ public async Task return_healthy_when_checking_healthy_service_database_and_cont
{
using var tokenSource = new CancellationTokenSource();

_cosmosClient
.ReadAccountAsync()
.Returns(Substitute.For<AccountProperties>());

_database
.ReadAsync(null, tokenSource.Token)
.Returns(Substitute.For<DatabaseResponse>());
_options.ContainerIds = ContainerIds;
_options.DatabaseId = DatabaseId;

foreach (var container in _containers.Values)
for (var containerIndex = 0; containerIndex < _options.ContainerIds.Count(); containerIndex++)
{
container
.ReadContainerAsync(null, tokenSource.Token)
.Returns(Substitute.For<ContainerResponse>());
_cosmosClient.GetContainer(_options.DatabaseId, _options.ContainerIds.ElementAt(containerIndex)).Returns(_containers[ContainerIds[containerIndex]]);
}

_options.ContainerIds = ContainerIds;
_options.DatabaseId = DatabaseId;
var actual = await _healthCheck.CheckHealthAsync(_context, tokenSource.Token);

await _cosmosClient
.Received(1)
.ReadAccountAsync();

await _database
.Received(1)
.ReadAsync(null, tokenSource.Token);

await Task.WhenAll(_containers
.Values
.Select(x => x
.Received(1)
.ReadContainerAsync(null, tokenSource.Token)));
for (int containerIndex = 0; containerIndex < _options.ContainerIds.Count(); containerIndex++)
{
_cosmosClient.Received(1)
.GetContainer(_options.DatabaseId, _options.ContainerIds.ElementAt(containerIndex));
_containers.ElementAt(containerIndex).Value.Received(1)
.GetItemQueryStreamIterator(Arg.Is<QueryDefinition>(q => q.QueryText.Equals($"SELECT 1 FROM {_options.ContainerIds.ElementAt(containerIndex)}")));
}

actual.Status.ShouldBe(HealthStatus.Healthy);
}

[Theory]
[InlineData(false, false)]
[InlineData(true, false)]
[InlineData(true, true)]
public async Task return_unhealthy_when_checking_unhealthy_service(bool checkDatabase, bool checkContainers)
[Fact]
public async Task return_unhealthy_when_checking_unhealthy_database()
{
using var tokenSource = new CancellationTokenSource();
_options.ContainerIds = ContainerIds;
_options.DatabaseId = DatabaseId;

_cosmosClient
.ReadAccountAsync()
.ThrowsAsync(new RequestFailedException((int)HttpStatusCode.Unauthorized, "Unable to authorize access."));
_cosmosClient.GetContainer(_options.DatabaseId, _options.ContainerIds.ElementAt(0)).Throws(new RequestFailedException((int)HttpStatusCode.Unauthorized, "Unable to authorize access."));

_options.ContainerIds = checkContainers ? ContainerIds : null;
_options.DatabaseId = checkDatabase ? DatabaseId : null;
var actual = await _healthCheck.CheckHealthAsync(_context, tokenSource.Token);

await _cosmosClient
.Received(1)
.ReadAccountAsync();

await _database
.DidNotReceiveWithAnyArgs()
.ReadAsync(default);

await Task.WhenAll(_containers
.Values
.Select(x => x
.DidNotReceiveWithAnyArgs()
.ReadContainerAsync(default, default)));

actual.Status.ShouldBe(HealthStatus.Unhealthy);
actual
.Exception!.ShouldBeOfType<RequestFailedException>()
.Status.ShouldBe((int)HttpStatusCode.Unauthorized);
}

[Theory]
[InlineData(false)]
[InlineData(true)]
public async Task return_unhealthy_when_checking_unhealthy_database(bool checkContainers)
[Fact]
public async Task return_unhealthy_when_checking_unhealthy_container()
{
using var tokenSource = new CancellationTokenSource();

_cosmosClient
.ReadAccountAsync()
.Returns(Substitute.For<AccountProperties>());

_database
.ReadAsync(null, tokenSource.Token)
.ThrowsAsync(new RequestFailedException((int)HttpStatusCode.NotFound, "Database not found"));

_options.ContainerIds = checkContainers ? ContainerIds : null;
_options.ContainerIds = ContainerIds;
_options.DatabaseId = DatabaseId;
var actual = await _healthCheck.CheckHealthAsync(_context, tokenSource.Token);

await _cosmosClient
.Received(1)
.ReadAccountAsync();
_cosmosClient.GetContainer(_options.DatabaseId, _options.ContainerIds.ElementAt(0)).Returns(_containers[ContainerIds[0]]);
_containers.ElementAt(0).Value.GetItemQueryStreamIterator(Arg.Any<QueryDefinition>()).Throws(new RequestFailedException((int)HttpStatusCode.Unauthorized, "Unable to authorize access."));

await _database
.Received(1)
.ReadAsync(null, tokenSource.Token);

await Task.WhenAll(_containers
.Values
.Select(x => x
.DidNotReceiveWithAnyArgs()
.ReadContainerAsync(default, default)));
var actual = await _healthCheck.CheckHealthAsync(_context, tokenSource.Token);

actual.Status.ShouldBe(HealthStatus.Unhealthy);
actual
.Exception!.ShouldBeOfType<RequestFailedException>()
.Status.ShouldBe((int)HttpStatusCode.NotFound);
.Status.ShouldBe((int)HttpStatusCode.Unauthorized);
}

[Fact]
public async Task return_unhealthy_when_checking_unhealthy_container()
[Theory]
[InlineData(false, false)]
[InlineData(true, false)]
[InlineData(true, true)]
public async Task return_unhealthy_when_checking_unhealthy_service(bool checkDatabase, bool checkContainers)
{
using var tokenSource = new CancellationTokenSource();

_cosmosClient
.ReadAccountAsync()
.Returns(Substitute.For<AccountProperties>());

_database
.ReadAsync(null, tokenSource.Token)
.Returns(Substitute.For<DatabaseResponse>());

_containers["one"]
.ReadContainerAsync(null, tokenSource.Token)
.Returns(Substitute.For<ContainerResponse>());

_containers["two"]
.ReadContainerAsync(null, tokenSource.Token)
.ThrowsAsync(new RequestFailedException((int)HttpStatusCode.NotFound, "Container not found"));
.ThrowsAsync(new RequestFailedException((int)HttpStatusCode.Unauthorized, "Unable to authorize access."));

_options.ContainerIds = ContainerIds;
_options.DatabaseId = DatabaseId;
_options.ContainerIds = checkContainers ? ContainerIds : null;
_options.DatabaseId = checkDatabase ? DatabaseId : null;
var actual = await _healthCheck.CheckHealthAsync(_context, tokenSource.Token);

await _cosmosClient
.Received(1)
.ReadAccountAsync();

await _database
.Received(1)
.ReadAsync(null, tokenSource.Token);

await _containers["one"]
.Received(1)
.ReadContainerAsync(null, tokenSource.Token);

await _containers["two"]
.Received(1)
.ReadContainerAsync(null, tokenSource.Token);

await _containers["three"]
.DidNotReceiveWithAnyArgs()
.ReadContainerAsync(default, default);
.ReadAsync(default);

await Task.WhenAll(_containers
.Values
.Select(x => x
.DidNotReceiveWithAnyArgs()
.ReadContainerAsync(default, default)));

actual.Status.ShouldBe(HealthStatus.Unhealthy);
actual
.Exception!.ShouldBeOfType<RequestFailedException>()
.Status.ShouldBe((int)HttpStatusCode.NotFound);
.Status.ShouldBe((int)HttpStatusCode.Unauthorized);
}

[Fact]
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