public void ProcessMessage_ResolveTagHelperDescriptors_ResolvesDesignTimeTagHelperDescriptors()
{
// Arrange
var expectedSourceLocation = new SourceLocation(absoluteIndex: 1, lineIndex: 2, characterIndex: 3);
var sourceLocationJson = JsonConvert.SerializeObject(expectedSourceLocation);
var messageData = new JObject
{
{ "AssemblyName", CustomTagHelperAssembly },
{ "SourceLocation", JObject.Parse(sourceLocationJson) }
};
var message = new JObject
{
{ "MessageType", RazorPluginMessageTypes.ResolveTagHelperDescriptors },
{ "Data", messageData },
};
ResolveTagHelperDescriptorsMessage responseMessage = null;
var messageBroker = new TestPluginMessageBroker(
data => responseMessage = (ResolveTagHelperDescriptorsMessage)data);
var assembly = new TestAssembly(typeof(DesignTimeTagHelper));
var assemblyNameLookups = new Dictionary <string, Assembly>
{
{ CustomTagHelperAssembly, assembly }
};
var assemblyLoadContext = new TestAssemblyLoadContext(assemblyNameLookups);
var plugin = new RazorPlugin(messageBroker);
var expectedDescriptor = new TagHelperDescriptor
{
Prefix = DefaultPrefix,
TagName = "design-time",
TypeName = typeof(DesignTimeTagHelper).FullName,
AssemblyName = typeof(DesignTimeTagHelper).Assembly.GetName().Name,
AllowedChildren = new[] { "br" },
TagStructure = TagStructure.NormalOrSelfClosing,
DesignTimeDescriptor = new TagHelperDesignTimeDescriptor
{
OutputElementHint = "strong"
}
};
// Act
var handled = plugin.ProcessMessage(message, assemblyLoadContext);
// Assert
Assert.NotNull(responseMessage);
Assert.Equal(
RazorPluginMessageTypes.ResolveTagHelperDescriptors,
responseMessage.MessageType,
StringComparer.Ordinal);
var responseData = responseMessage.Data;
Assert.Equal(CustomTagHelperAssembly, responseData.AssemblyName, StringComparer.Ordinal);
var actualDescriptor = Assert.Single(responseData.Descriptors);
Assert.Equal(expectedDescriptor, actualDescriptor, CaseSensitiveTagHelperDescriptorComparer.Default);
Assert.Empty(responseData.Errors);
Assert.True(handled);
}
public void ProcessMessage_ThrowsWhenNoMessageType()
{
// Arrange
var message = new JObject();
var messageBroker = new TestPluginMessageBroker();
var assemblyLoadContext = new TestAssemblyLoadContext();
var plugin = new RazorPlugin(messageBroker);
var expectedMessage = "'MessageType' must be provided for a 'RazorPluginRequestMessage' message.";
// Act & Assert
var error = Assert.Throws <InvalidOperationException>(
() => plugin.ProcessMessage(message, assemblyLoadContext));
Assert.Equal(expectedMessage, error.Message, StringComparer.Ordinal);
}
public void ProcessMessage_ResolveTagHelperDescriptors_ResolvesTagHelperDescriptors()
{
// Arrange
var expectedSourceLocation = new SourceLocation(absoluteIndex: 1, lineIndex: 2, characterIndex: 3);
var sourceLocationJson = JsonConvert.SerializeObject(expectedSourceLocation);
var messageData = new JObject
{
{ "AssemblyName", CustomTagHelperAssembly },
{ "SourceLocation", JObject.Parse(sourceLocationJson) }
};
var message = new JObject
{
{ "MessageType", RazorPluginMessageTypes.ResolveTagHelperDescriptors },
{ "Data", messageData },
};
ResolveTagHelperDescriptorsMessage responseMessage = null;
var messageBroker = new TestPluginMessageBroker(
data => responseMessage = (ResolveTagHelperDescriptorsMessage)data);
var assembly = new TestAssembly(typeof(CustomTagHelper));
var assemblyNameLookups = new Dictionary <string, Assembly>
{
{ CustomTagHelperAssembly, assembly }
};
var assemblyLoadContext = new TestAssemblyLoadContext(assemblyNameLookups);
var plugin = new RazorPlugin(messageBroker);
// Act
var handled = plugin.ProcessMessage(message, assemblyLoadContext);
// Assert
Assert.NotNull(responseMessage);
Assert.Equal(
RazorPluginMessageTypes.ResolveTagHelperDescriptors,
responseMessage.MessageType,
StringComparer.Ordinal);
var responseData = responseMessage.Data;
Assert.Equal(CustomTagHelperAssembly, responseData.AssemblyName, StringComparer.Ordinal);
var actualDescriptor = Assert.Single(responseData.Descriptors);
Assert.Equal(
CustomTagHelperDescriptor,
actualDescriptor,
CaseSensitiveTagHelperDescriptorComparer.Default);
Assert.Empty(responseData.Errors);
Assert.True(handled);
}
public void ProcessMessage_ResolveTagHelperDescriptors_ReturnsErrors()
{
// Arrange
var expectedSourceLocation = new SourceLocation(absoluteIndex: 1, lineIndex: 2, characterIndex: 3);
var sourceLocationJson = JsonConvert.SerializeObject(expectedSourceLocation);
var messageData = new JObject
{
{ "AssemblyName", "invalid" },
{ "SourceLocation", JObject.Parse(sourceLocationJson) }
};
var message = new JObject
{
{ "MessageType", RazorPluginMessageTypes.ResolveTagHelperDescriptors },
{ "Data", messageData },
};
ResolveTagHelperDescriptorsMessage responseMessage = null;
var messageBroker = new TestPluginMessageBroker(
data => responseMessage = (ResolveTagHelperDescriptorsMessage)data);
var assemblyLoadContext = new ThrowingAssemblyLoadContext("Invalid assembly");
var plugin = new RazorPlugin(messageBroker);
// Act
var handled = plugin.ProcessMessage(message, assemblyLoadContext);
// Assert
Assert.NotNull(responseMessage);
Assert.Equal(
RazorPluginMessageTypes.ResolveTagHelperDescriptors,
responseMessage.MessageType,
StringComparer.Ordinal);
var responseData = responseMessage.Data;
Assert.Equal("invalid", responseData.AssemblyName, StringComparer.Ordinal);
Assert.Empty(responseData.Descriptors);
var error = Assert.Single(responseData.Errors);
Assert.Equal(
"Cannot resolve TagHelper containing assembly 'invalid'. Error: Invalid assembly: invalid",
error.Message,
StringComparer.Ordinal);
Assert.Equal(expectedSourceLocation, error.Location);
Assert.Equal(7, error.Length);
Assert.True(handled);
}
public void ProcessMessage_ThrowsWhenNoData()
{
// Arrange
var message = new JObject
{
{ "MessageType", RazorPluginMessageTypes.ResolveTagHelperDescriptors }
};
var messageBroker = new TestPluginMessageBroker();
var assemblyLoadContext = new TestAssemblyLoadContext();
var plugin = new RazorPlugin(messageBroker);
var expectedMessage = "'Data' must be provided for a '" +
RazorPluginMessageTypes.ResolveTagHelperDescriptors + "' message.";
// Act & Assert
var error = Assert.Throws <InvalidOperationException>(
() => plugin.ProcessMessage(message, assemblyLoadContext));
Assert.Equal(expectedMessage, error.Message, StringComparer.Ordinal);
}
public void ProcessMessage_NoOpsForUnknownMessageType()
{
// Arrange
var messageData = new JObject();
var message = new JObject
{
{ "MessageType", "SomethingUnknown" },
{ "Data", messageData },
};
var called = false;
var messageBroker = new TestPluginMessageBroker((_) => called = true);
var assemblyLoadContext = new TestAssemblyLoadContext();
var plugin = new RazorPlugin(messageBroker);
// Act
var handled = plugin.ProcessMessage(message, assemblyLoadContext);
// Assert
Assert.False(called);
Assert.False(handled);
}
