public void ShouldFailtoVerifyWhenCurrentChainspecIsMissing()
{
// Test setup
string expectedUrl = "https://example.com/chain.json";
string expectedHash = "8394d0987bd84c677122872aa67f60295b972eceb3f75bec068e83570d3c6999";
// prepare directory
string basePath = $"nodecontrol-tests-{Guid.NewGuid()}";
string path = Path.Join(Path.GetTempPath(), basePath);
Directory.CreateDirectory(path);
Directory.CreateDirectory(Path.Join(path, "config"));
// get a mock dcc
MockDockerControl mockDcc = new MockDockerControl();
StateChangeAction sca = new StateChangeAction
{
Mode = UpdateMode.ChainSpec,
Payload = expectedUrl,
PayloadHash = expectedHash
};
// Run the test
UpdateWatch uw = new UpdateWatch(new UpdateWatchOptions
{
RpcEndpoint = "http://example.com",
ContractAddress = "0x0",
ValidatorAddress = "0x0",
DockerStackPath = path,
DockerControl = mockDcc,
ConfigurationProvider = new MockConfigProvider(),
ContractWrapper = new MockContractWrapper()
}, new MockLogger());
Action update = () =>
{
uw.UpdateChainSpec(sca);
};
// Execute test
update.Should().Throw <UpdateVerificationException>()
.WithMessage("Unable to read current chainspec");
// should not call apply updates
mockDcc.ApplyChangesCallCount.Should().Be(0);
}
public void UpateChainSpecActionShouldNotVerify(StateChangeAction badState, string expectedMessage)
{
UpdateWatch uw = new UpdateWatch(new UpdateWatchOptions
{
RpcEndpoint = "http://example.com",
ContractAddress = "0x0",
ValidatorAddress = "0x0",
DockerStackPath = "/some/path",
DockerControl = new MockDockerControl(),
ConfigurationProvider = new MockConfigProvider(),
ContractWrapper = new MockContractWrapper()
}, new MockLogger());
Action updateChainSpec = () => { uw.UpdateChainSpec(badState); };
updateChainSpec.Should()
.Throw <UpdateVerificationException>()
.WithMessage(expectedMessage);
}
public void ShouldDownloadChainspec()
{
// Test setup
string expectedUrl = "https://example.com/chain.json";
string expectedPayload = "This would be a complete chainspec file.";
string expectedHash = "8394d0987bd84c677122872aa67f60295b972eceb3f75bec068e83570d3c6999";
// prepare directory
string basePath = $"nodecontrol-tests-{Guid.NewGuid()}";
string path = Path.Join(Path.GetTempPath(), basePath);
Directory.CreateDirectory(path);
Directory.CreateDirectory(Path.Join(path, "config"));
// write existing dummy chainspec
File.WriteAllText(Path.Join(path, "config", "chainspec.json"), "This is not a chainspec file");
// get a mock dcc
MockDockerControl mockDcc = new MockDockerControl();
StateChangeAction sca = new StateChangeAction
{
Mode = UpdateMode.ChainSpec,
Payload = expectedUrl,
PayloadHash = expectedHash
};
bool urlCorrect = false;
// setup mock http handler
Mock <HttpMessageHandler> handlerMock = new Mock <HttpMessageHandler>(MockBehavior.Strict);
handlerMock
.Protected()
// Setup the PROTECTED method to mock
.Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
// prepare the expected response of the mocked http call
.ReturnsAsync((HttpRequestMessage request, CancellationToken cancellationToken) =>
{
// make sure queried url is correct
urlCorrect = request.RequestUri.ToString() == expectedUrl;
HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK);
response.Content = new StringContent(expectedPayload);
return(response);
})
.Verifiable();
handlerMock
.Protected()
// Setup the PROTECTED method to mock
.Setup(
"Dispose",
ItExpr.IsAny <bool>()
)
.Verifiable();
// Run the test
UpdateWatch uw = new UpdateWatch(new UpdateWatchOptions
{
RpcEndpoint = "http://example.com",
ContractAddress = "0x0",
ValidatorAddress = "0x0",
DockerStackPath = path,
DockerControl = mockDcc,
ConfigurationProvider = new MockConfigProvider(),
ContractWrapper = new MockContractWrapper()
}, new MockLogger());
Action update = () =>
{
uw.UpdateChainSpec(sca, handlerMock.Object);
};
// Execute test
update.Should().NotThrow();
// Should have create a backup file
// Should have written the new payload to file
string newFileContents = File.ReadAllText(Path.Join(path, "config", "chainspec.json"));
newFileContents.Should().Be(expectedPayload);
// should have called with the correct url
urlCorrect.Should().Be(true);
// Should have triggered an update
mockDcc.ApplyChangesCallCount.Should().Be(1);
mockDcc.SendRestartOnly.Should().Be(true);
mockDcc.SendPathToStack.Should().Be(path);
// http client should have been disposed
Action verifyDispose = () => handlerMock.VerifyAll();
verifyDispose.Should().NotThrow();
}
public void ShouldFailtoVerifyWhenUnableToDownload()
{
// Test setup
string expectedUrl = "https://example.com/chain.json";
string expectedHash = "8394d0987bd84c677122872aa67f60295b972eceb3f75bec068e83570d3c6999";
// prepare directory
string basePath = $"nodecontrol-tests-{Guid.NewGuid()}";
string path = Path.Join(Path.GetTempPath(), basePath);
Directory.CreateDirectory(path);
Directory.CreateDirectory(Path.Join(path, "config"));
// write existing dummy chainspec
string existingChainSpecContent = "This is the existing chainspec file before update";
File.WriteAllText(Path.Join(path, "config", "chainspec.json"), existingChainSpecContent);
// get a mock dcc
MockDockerControl mockDcc = new MockDockerControl();
StateChangeAction sca = new StateChangeAction
{
Mode = UpdateMode.ChainSpec,
Payload = expectedUrl,
PayloadHash = expectedHash
};
// setup mock http handler
Mock <HttpMessageHandler> handlerMock = new Mock <HttpMessageHandler>(MockBehavior.Loose);
handlerMock
.Protected()
// Setup the PROTECTED method to mock
.Setup <Task <HttpResponseMessage> >(
"SendAsync",
ItExpr.IsAny <HttpRequestMessage>(),
ItExpr.IsAny <CancellationToken>()
)
// prepare the expected response of the mocked http call
.ReturnsAsync((HttpRequestMessage request, CancellationToken cancellationToken)
=> new HttpResponseMessage(HttpStatusCode.InternalServerError)
{
Content = new StringContent("error")
})
.Verifiable();
// Run the test
UpdateWatch uw = new UpdateWatch(new UpdateWatchOptions
{
RpcEndpoint = "http://example.com",
ContractAddress = "0x0",
ValidatorAddress = "0x0",
DockerStackPath = path,
DockerControl = mockDcc,
ConfigurationProvider = new MockConfigProvider(),
ContractWrapper = new MockContractWrapper()
}, new MockLogger());
Action update = () =>
{
uw.UpdateChainSpec(sca, handlerMock.Object);
};
// Execute test
update.Should().Throw <UpdateVerificationException>()
.WithMessage("Unable to download new chainspec")
.WithInnerException <AggregateException>();
// should not call apply updates
mockDcc.ApplyChangesCallCount.Should().Be(0);
// should not touch current chainspec
string currentChainspecFileContents = File.ReadAllText(Path.Join(path, "config", "chainspec.json"));
currentChainspecFileContents.Should().Be(existingChainSpecContent);
}