public void When_TriggerIsTrueButWasNotSetSinceLastExecute_Should_NotEmitResponse()
{
// Arrange: New (invalid) node
var node = new WebRequestNode(TestNodeContext.Create());
node.Trigger.Value = true;
node.ExecuteAndWait(200); // Should emit error, since no URL is set
node.URL.Value = "http://localhost:12345/";
node.ErrorCode.ValueSet += (object sender, ValueChangedEventArgs e) =>
{
Assert.Fail(); // Must not be called
};
node.ErrorMessage.ValueSet += (object sender, ValueChangedEventArgs e) =>
{
Assert.Fail(); // Must not be called
};
node.Response.ValueSet += (object sender, ValueChangedEventArgs e) =>
{
Assert.Fail(); // Must not be called
};
// Warning! This simulates the behaviour of the Logic Engine:
node.Trigger.WasSet = false;
// Act: Set proper URL and execute again:
node.ExecuteAndWait(200);
// Assert: Most has been asserted in the callbacks above, additionally assert that all Outputs must not be set:
Assert.IsFalse(node.Response.HasValue);
Assert.IsFalse(node.ErrorCode.HasValue);
Assert.IsFalse(node.ErrorMessage.HasValue);
}
public void When_RestrictedHeadersAreUsedAndBodyIsSet_Should_SendAllRestrictedHeaders()
{
// Arrange: New node with echo URL
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12345/foo";
// Act: Set all supported restricted headers, set Trigger and Execute:
// The list of restricted headers has been taken from https://stackoverflow.com/questions/239725/cannot-set-some-http-headers-when-using-system-net-webrequest
// since I could not find an official source. Some restricted headers are excluded,
// because they are too complicated to implement and not worth the trouble.
node.Method.Value = "POST";
node.Body.Value = "{dummy: 1}";
node.HeaderMode.Value = "HeaderMode.8";
node.Headers[0].Value = "Accept: text/html";
node.Headers[1].Value = "Connection: Upgrade";
node.Headers[2].Value = $"Content-Length: {node.Body.Value.Length}";
node.Headers[3].Value = "Date: Fri, 22 Jan 2010 04:00:00 GMT";
node.Headers[4].Value = "Host: localhost";
node.Headers[5].Value = "If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT";
node.Headers[6].Value = "Referer: gira.de";
node.Headers[7].Value = "User-Agent: Gira";
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Must include the expected Response
Assert.AreEqual("text/html", lastRequest.Headers.Get("Accept"));
Assert.AreEqual("Upgrade", lastRequest.Headers.Get("Connection"));
Assert.AreEqual($"{node.Body.Value.Length}", lastRequest.Headers.Get("Content-Length"));
Assert.AreEqual("Fri, 22 Jan 2010 04:00:00 GMT", lastRequest.Headers.Get("Date"));
Assert.AreEqual("localhost", lastRequest.Headers.Get("Host"));
Assert.AreEqual("Sat, 29 Oct 1994 19:43:31 GMT", lastRequest.Headers.Get("If-Modified-Since"));
Assert.AreEqual("gira.de", lastRequest.Headers.Get("Referer"));
Assert.AreEqual("Gira", lastRequest.Headers.Get("User-Agent"));
}
public void When_UrlContainsTwentyVariables_Should_ShowTwentyVariableParametersWithVariableNames()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set URL without variable placeholder
node.URL.Value = "http://www.google.de/?q={Variable1}+{Variable2}+{Variable3}+{Variable4}+{Variable5}+{Variable6}+{Variable7}+{Variable8}+{Variable9}+{Variable10}+{Variable11}+{Variable12}+{Variable13}+{Variable14}+{Variable15}+{Variable16}+{Variable17}+{Variable18}+{Variable19}+{Variable20}";
// Assert: One Variable-Parameter must be visible
Assert.AreEqual(20, node.Variables.Count);
Assert.AreEqual("Variable1", node.Variables[0].Name);
Assert.AreEqual("Variable2", node.Variables[1].Name);
Assert.AreEqual("Variable3", node.Variables[2].Name);
Assert.AreEqual("Variable4", node.Variables[3].Name);
Assert.AreEqual("Variable5", node.Variables[4].Name);
Assert.AreEqual("Variable6", node.Variables[5].Name);
Assert.AreEqual("Variable7", node.Variables[6].Name);
Assert.AreEqual("Variable8", node.Variables[7].Name);
Assert.AreEqual("Variable9", node.Variables[8].Name);
Assert.AreEqual("Variable10", node.Variables[9].Name);
Assert.AreEqual("Variable11", node.Variables[10].Name);
Assert.AreEqual("Variable12", node.Variables[11].Name);
Assert.AreEqual("Variable13", node.Variables[12].Name);
Assert.AreEqual("Variable14", node.Variables[13].Name);
Assert.AreEqual("Variable15", node.Variables[14].Name);
Assert.AreEqual("Variable16", node.Variables[15].Name);
Assert.AreEqual("Variable17", node.Variables[16].Name);
Assert.AreEqual("Variable18", node.Variables[17].Name);
Assert.AreEqual("Variable19", node.Variables[18].Name);
Assert.AreEqual("Variable20", node.Variables[19].Name);
}
public void When_ParametersAreDefault_Should_NotShowBodyAndContentType()
{
// Arrange: New node with default parameters
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Nothing
// Assert: Body and ContentType must not be visible
Assert.IsNull(node.Body);
Assert.IsNull(node.ContentType);
}
public void When_NumberOfHeadersIsZero_Should_NotShowHeaderParameters()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set number of headers to 0
node.HeaderMode.Value = "HeaderMode.0";
// Assert: List of Headers is empty
Assert.AreEqual(0, node.Headers.Count);
}
public void When_UrlContainsNoVariables_Should_NotShowVariableParameters()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set URL without variable placeholder
node.URL.Value = "http://www.google.de/";
// Assert: No Variable-Parameters must be visible
Assert.AreEqual(0, node.Variables.Count);
}
public void When_MethodIsNotGet_Should_ShowContentType()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set Method to somethig other than GET
node.Method.Value = "PUT";
// Assert: ContentType is available
Assert.IsNotNull(node.ContentType);
}
public void When_UrlContainsOneVariableShouldShowOneVariableParameterWithVariableName()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set URL without variable placeholder
node.URL.Value = "http://www.google.de/?q={Variable1}";
// Assert: One Variable-Parameter must be visible
Assert.AreEqual(1, node.Variables.Count);
Assert.AreEqual("Variable1", node.Variables[0].Name);
}
public void When_MethodIsPost_Should_ShowBodyAndContentTypeParameter()
{
// Arrange: New node with Method set to POST
var node = new WebRequestNode(TestNodeContext.Create());
node.Method.Value = "POST";
// Act: Nothing
// Assert: The Parameter Body and ContentType must be visible
Assert.IsNotNull(node.Body);
Assert.IsNotNull(node.ContentType);
}
public void When_AuthTypeIsBasic_Should_HaveTokenInput_But_NoUserNameAndPasswordInputs()
{
// Arrange: New node with simple URL
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set AuthType to BasicAuth
node.AuthType.Value = AuthCredentials.AuthType.BearerToken.ToString();
// Assert:
Assert.IsNotNull(node.AuthToken);
Assert.IsNull(node.AuthUserName);
Assert.IsNull(node.AuthPassword);
}
public void When_MethodIsGet_Should_HideBodyAndContentTypeParameters()
{
// Arrange: New node with default parameters
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Switch Method to POST and then back to GET
node.Method.Value = "POST";
node.Method.Value = "GET";
// Assert: Parameter Body and ContentType must not be visible.
Assert.IsNull(node.Body);
Assert.IsNull(node.ContentType);
}
public void When_UrlContainsMalformedVariables_Should_HaveNoVariables()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set url with valid variable placeholder first
node.URL.Value = "http://www.google.de/?q={Variable1}";
// Then update URL with invalid placeholder
node.URL.Value = "http://www.google.de/?q={{}}+{12asdasd}+{_asdf}+{Asdf_Foo}+{Asdf-Foo}+{Asdf?}+{Über}";
// Assert: No Variable-Parameter must be visible
Assert.AreEqual(0, node.Variables.Count);
}
public void When_ParametersAreDefault_Should_ShowParametersTriggerAndMethodAndUrlAndHeaderMode()
{
// Arrange: New node with default parameters
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Nothing
// Assert: The Parameters Trigger, Method, Url and HeaderMode must be visible and have the appropriate default values.
Assert.IsFalse(node.Trigger.HasValue);
Assert.AreEqual("GET", node.Method.Value);
Assert.IsFalse(node.URL.HasValue);
Assert.AreEqual("HeaderMode.0", node.HeaderMode.Value);
}
public void When_ProtocolIsNotSupported_Should_OutputError()
{
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "rsync://localhost:12346/200";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: ErrorCode is set to 999, ErrorMessage contains a message and Response must not be set
Assert.AreEqual(997, node.ErrorCode.Value);
Assert.IsNotNull(node.ErrorMessage.Value);
Assert.IsFalse(node.Response.HasValue);
}
public void When_MethodIsGet_Should_NotShowContentType()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Nothig
// Assert: ContentType is not available
Assert.IsNull(node.ContentType);
// Act: Set Method to GET
node.Method.Value = "GET";
// Assert: ContentType is still not available
Assert.IsNull(node.ContentType);
}
public void When_MethodIsChanged_Should_NotResetContentType()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set Method to somethig other than GET and change ContentType
node.Method.Value = "PUT";
node.ContentType.Value = "application/json";
// Act: Change Method to something else, except GET
node.Method.Value = "DELETE";
// Assert: The previously ContentType is not reset
Assert.AreEqual("application/json", node.ContentType.Value);
}
public void When_TriggerIsSet_Should_EmitResponse()
{
// Arrange: New node with simple URL
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12345/";
// Act: Set Trigger and Execute:
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Must include the expected Response
Assert.AreEqual(dummyResponse, node.Response.Value);
Assert.AreEqual("GET", lastRequest.HttpMethod);
}
public void When_UsingFTP_Should_FailWithErrorCode()
{
// Arrange: Create web request with FTP URI
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "ftp://192.168.178.1";
// Act: Execute node
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Error code 997 with corresponding error message must be replied
Assert.AreEqual(997, node.ErrorCode.Value);
Assert.IsTrue(node.ErrorMessage.HasValue);
}
public void When_AuthTypeIsNone_Should_NotSendAuthorizationHeader()
{
// Arrange: New node with simple URL
var node = new WebRequestNode(TestNodeContext.Create());
node.AuthType.Value = AuthCredentials.AuthType.NoAuth.ToString();
node.URL.Value = "http://localhost:12345/";
// Act: Set Trigger and Execute:
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Must include the expected Response
Assert.IsNull(lastRequest.Headers.Get("Authorization"));
}
public void When_UrlContainsVariablesWithSameName_Should_AddVariableOnlyOnce()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set URL with multiple occurances of the same variables
node.URL.Value = "http://www.google.de/?q={Variable1}+{Variable1}+{Variable3}+{Variable1}+{Variable2}";
// Assert: Every variable occurs only once
Assert.AreEqual(3, node.Variables.Count);
Assert.AreEqual("Variable1", node.Variables[0].Name);
Assert.AreEqual("Variable3", node.Variables[1].Name);
Assert.AreEqual("Variable2", node.Variables[2].Name);
}
public void When_ContentTypeIsSet_Should_SendContentTypeToServer()
{
// Arrange: New node with specific ContentType
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12345/foo";
node.Method.Value = "POST";
node.ContentType.Value = "application/json";
// Act: Set Trigger and Execute:
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Must include Content-Type
Assert.AreEqual("application/json", lastRequest.Headers.Get("Content-Type"));
}
public void When_ResposeReturns2xxCode_Should_OutputResponse()
{
// Arrange: Create request with 202 response code
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12346/202";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Response contains response body and Error* must not be set
Assert.AreEqual("{statusCode: 202}", node.Response.Value);
Assert.IsFalse(node.ErrorMessage.HasValue);
Assert.IsFalse(node.ErrorCode.HasValue);
}
public void When_UsingHTTPS_Should_Succeed()
{
// Arrange: Create web request with HTTPS URI
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://init-api.gira.de/time/v1/current-time";
// Act: Execute node
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Message includes "START CERTIFICATE"
Assert.IsFalse(node.ErrorCode.HasValue);
Assert.IsFalse(node.ErrorMessage.HasValue);
Assert.IsTrue(node.Response.HasValue);
}
public void When_ResposeReturns3xxCode_Should_FollowRedirect_And_OutputResponse()
{
// Arrange: Create request to a redirecting endpoint
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12346/301";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Response contains response body from the redirected location, and Error* must not be set
Assert.AreEqual("{redirect: 200}", node.Response.Value);
Assert.IsFalse(node.ErrorMessage.HasValue);
Assert.IsFalse(node.ErrorCode.HasValue);
}
public void When_BodyContainsThreeVariables_Should_ShowThreeVariablesWithVariableNames()
{
// Arrange: New node
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Set Body with variables
node.Method.Value = "POST";
node.Body.Value = "{data: {Data}, value: {Value}, order: {Order}}";
// Assert: The variables should be available
Assert.AreEqual(3, node.Variables.Count);
Assert.AreEqual("Data", node.Variables[0].Name);
Assert.AreEqual("Value", node.Variables[1].Name);
Assert.AreEqual("Order", node.Variables[2].Name);
}
public void When_ParametersAreDefault_Should_ShowOutputsResponseAndResponseErrorCodeAndResponseErrorCodeMessage()
{
// Arrange: New node with default parameters
var node = new WebRequestNode(TestNodeContext.Create());
// Act: Nothing
// Assert: The Outputs Response, ResponseErrorCode and ResponseErrorMessage must be visible
Assert.IsNotNull(node.Response);
Assert.IsNotNull(node.ErrorCode);
Assert.IsNotNull(node.ErrorMessage);
Assert.IsFalse(node.Response.HasValue);
Assert.IsFalse(node.ErrorCode.HasValue);
Assert.IsFalse(node.ErrorMessage.HasValue);
}
public void When_UrlIsMisformed_Should_OutputClientSideError()
{
// Arrange: Create node pointing to a malformed URL
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://*****:*****@foo-bar@blah$$$dollar/200";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: ErrorCode is set to 999, ErrorMessage contains a message and Response must not be set
Assert.AreEqual(999, node.ErrorCode.Value);
Assert.IsNotNull(node.ErrorMessage.Value);
Assert.IsFalse(node.Response.HasValue);
}
public void When_RequestSucceeds_Should_OutputRespose()
{
// Arrange: Create node pointing to a 200 response code
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12346/200";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: Response body must include status code and Error* outputs are not set
Assert.AreEqual("{statusCode: 200}", node.Response.Value);
Assert.IsFalse(node.ErrorCode.HasValue);
Assert.IsFalse(node.ErrorMessage.HasValue);
}
public void When_ResposeReturns500Code_Should_OutputError()
{
// Arrange: Create request to a 500 response
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12346/500";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: ErrorCode is set to 500, ErrorMessage contains status code 500 and Response must not be set
Assert.AreEqual(500, node.ErrorCode.Value);
Assert.AreEqual("{statusCode: 500}", node.ErrorMessage.Value);
Assert.IsFalse(node.Response.HasValue);
}
public void When_ResposeReturns3xxCodeAndRedirectLocationFails_Should_OutputError()
{
// Arrange: Create request to a redirecting endpoint
var node = new WebRequestNode(TestNodeContext.Create());
node.URL.Value = "http://localhost:12346/302";
// Act: Execute request
node.Trigger.Value = true;
node.ExecuteAndWait();
// Assert: ErrorCode is set to 404, ErrorMessage contains status code 404 and Response must not be set
Assert.AreEqual(404, node.ErrorCode.Value);
Assert.AreEqual("{statusCode: 404}", node.ErrorMessage.Value);
Assert.IsFalse(node.Response.HasValue);
}
