public async Task ShouldRespondWithSuccessJson()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var testHttpContext = new DefaultHttpContext();
testHttpContext.Response.Body = new MemoryStream();
var expected = new
{
Status = HealthcheckMiddleware.SuccessStatus,
Uptime = TimeSpan.FromMilliseconds(100),
PrivateMemoryUsed = 200
};
var expectedJson = JsonConvert.SerializeObject(expected);
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(expected.Uptime, expected.PrivateMemoryUsed));
var options = new Options();
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
var response = GetResponseBodyString(testHttpContext);
Assert.Equal("application/json", testHttpContext.Response.ContentType);
Assert.Equal(expectedJson, response);
}
public async Task ShouldRespondWithFailureStatusJsonOnly()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var testHttpContext = new DefaultHttpContext();
testHttpContext.Response.Body = new MemoryStream();
var expected = new
{
Status = HealthcheckMiddleware.FailureStatus
};
var expectedJson = JsonConvert.SerializeObject(expected);
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
var options = new Options()
{
AddChecks = (pass, fail) => { fail(); }
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
var response = GetResponseBodyString(testHttpContext);
Assert.Equal("application/json", testHttpContext.Response.ContentType);
Assert.Equal(expectedJson, response);
}
public async Task ShouldExecuteProvidedFunction()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(TimeSpan.Zero, 0));
var testHttpContext = new DefaultHttpContext();
var mockAddChecks = new Mock <AddChecks>();
var options = new Options()
{
AddChecks = mockAddChecks.Object
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
mockAddChecks.Verify(addChecks => addChecks(It.IsAny <PassHealthcheck>(), It.IsAny <FailHealthcheck>()));
}
public async Task ShouldRespondWithCustomPassInfoAndStandardSuccessJson()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var testHttpContext = new DefaultHttpContext();
testHttpContext.Response.Body = new MemoryStream();
var databaseInfo = new
{
Region = "us-west",
Status = "ACTIVE"
};
var customPassInfo = new Dictionary <string, object>
{
{ "Database", databaseInfo }
};
var expected = new
{
Database = databaseInfo,
Status = HealthcheckMiddleware.SuccessStatus,
Uptime = TimeSpan.FromMilliseconds(100),
PrivateMemoryUsed = 200
};
var expectedJson = JsonConvert.SerializeObject(expected);
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(expected.Uptime, expected.PrivateMemoryUsed));
var options = new Options()
{
AddChecks = (pass, fail) => { pass(customPassInfo); }
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
var response = GetResponseBodyString(testHttpContext);
Assert.Equal("application/json", testHttpContext.Response.ContentType);
Assert.Equal(expectedJson, response);
}
public async Task ShouldRespondWithCustomPassInfoOverridesJson()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var testHttpContext = new DefaultHttpContext();
testHttpContext.Response.Body = new MemoryStream();
dynamic customPassInfo = new ExpandoObject();
customPassInfo.Custom = "yes";
customPassInfo.Status = "yes";
customPassInfo.Uptime = TimeSpan.FromMilliseconds(1000);
customPassInfo.PrivateMemoryUsed = 1001;
var expected = new
{
customPassInfo.Custom,
customPassInfo.Status,
customPassInfo.Uptime,
customPassInfo.PrivateMemoryUsed
};
var expectedJson = JsonConvert.SerializeObject(expected);
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(expected.Uptime, expected.PrivateMemoryUsed));
var options = new Options()
{
AddChecks = (pass, fail) => { pass(customPassInfo); }
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
var response = GetResponseBodyString(testHttpContext);
Assert.Equal("application/json", testHttpContext.Response.ContentType);
Assert.Equal(expectedJson, response);
}
public async Task ShouldRespondWith200Status()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(TimeSpan.Zero, 0));
var testHttpContext = new DefaultHttpContext();
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
Assert.Equal(200, testHttpContext.Response.StatusCode);
}
public async Task ShouldRespondWithFailureJson()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(TimeSpan.FromSeconds(1), long.MaxValue));
var testHttpContext = new DefaultHttpContext();
testHttpContext.Response.Body = new MemoryStream();
var expected = new
{
Status = HealthcheckMiddleware.FailureStatus,
Message = "BOOM"
};
var expectedJson = JsonConvert.SerializeObject(expected);
var options = new Options()
{
AddChecks = (pass, fail) => { throw new Exception(expected.Message); }
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
var response = GetResponseBodyString(testHttpContext);
Assert.Equal("application/json", testHttpContext.Response.ContentType);
Assert.Equal(expectedJson, response);
}
public async Task ShouldRespondWith500Status()
{
//Arrange
var nextDelegate = GetPlaceholderNextDelegate();
var mockProcessInfoRetriever = new Mock <IProcessInfoRetriever>();
mockProcessInfoRetriever.Setup(x => x.GetProcessInfo()).Returns(new ProcessInfo(TimeSpan.FromSeconds(1), long.MaxValue));
var testHttpContext = new DefaultHttpContext();
var options = new Options()
{
AddChecks = (pass, fail) => { throw new Exception("BOOM"); }
};
var healthcheckMiddleware = new HealthcheckMiddleware(nextDelegate, mockProcessInfoRetriever.Object, options);
//Act
await healthcheckMiddleware.Invoke(testHttpContext);
//Assert
Assert.Equal(500, testHttpContext.Response.StatusCode);
}
