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Health Checks - EF health check should respect configured failureStatus 

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>
This commit is contained in:
Tom Kerkhove 2019-08-29 19:32:52 +02:00 committed by Ryan Nowak
parent 026b9df3e0
commit 1f6d235a5e
2 changed files with 30 additions and 8 deletions
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6
src/Middleware/HealthChecks.EntityFrameworkCore/src/DbContextHealthCheck.cs
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@ -1,4 +1,4 @@
// Copyright (c) .NET Foundation. All rights reserved.
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
@ -49,8 +49,8 @@ namespace Microsoft.Extensions.Diagnostics.HealthChecks
{
return HealthCheckResult.Healthy();
}
return HealthCheckResult.Unhealthy();
return new HealthCheckResult(context.Registration.FailureStatus);
}
}
}

32
src/Middleware/HealthChecks.EntityFrameworkCore/test/DbContextHealthCheckTest.cs
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@ -1,4 +1,4 @@
// Copyright (c) .NET Foundation. All rights reserved.
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
@ -61,7 +61,7 @@ namespace Microsoft.Extensions.Diagnostics.HealthChecks
}
[Fact]
public async Task CheckAsync_CustomTest_Degraded()
public async Task CheckAsync_CustomTestWithDegradedFailureStatusSpecified_Degraded()
{
// Arrange
var services = CreateServices(async (c, ct) =>
@ -78,12 +78,12 @@ namespace Microsoft.Extensions.Diagnostics.HealthChecks
var result = await check.CheckHealthAsync(new HealthCheckContext() { Registration = registration, });
// Assert
Assert.Equal(HealthStatus.Unhealthy, result.Status);
Assert.Equal(HealthStatus.Degraded, result.Status);
}
}
[Fact]
public async Task CheckAsync_CustomTest_Unhealthy()
public async Task CheckAsync_CustomTestWithUnhealthyFailureStatusSpecified_Unhealthy()
{
// Arrange
var services = CreateServices(async (c, ct) =>
@ -104,12 +104,34 @@ namespace Microsoft.Extensions.Diagnostics.HealthChecks
}
}
[Fact]
public async Task CheckAsync_CustomTestWithNoFailureStatusSpecified_Unhealthy()
{
// Arrange
var services = CreateServices(async (c, ct) =>
{
return 0 < await c.Blogs.CountAsync();
}, failureStatus: null);
using (var scope = services.GetRequiredService<IServiceScopeFactory>().CreateScope())
{
var registration = Assert.Single(services.GetRequiredService<IOptions<HealthCheckServiceOptions>>().Value.Registrations);
var check = ActivatorUtilities.CreateInstance<DbContextHealthCheck<TestDbContext>>(scope.ServiceProvider);
// Act
var result = await check.CheckHealthAsync(new HealthCheckContext() { Registration = registration, });
// Assert
Assert.Equal(HealthStatus.Unhealthy, result.Status);
}
}
// used to ensure each test uses a unique in-memory database
private static int _testDbCounter;
private static IServiceProvider CreateServices(
Func<TestDbContext, CancellationToken, Task<bool>> testQuery = null,
HealthStatus failureStatus = HealthStatus.Unhealthy)
HealthStatus? failureStatus = HealthStatus.Unhealthy)
{
var serviceCollection = new ServiceCollection();
serviceCollection.AddDbContext<TestDbContext>(o => o.UseInMemoryDatabase("Test" + Interlocked.Increment(ref _testDbCounter)));