/// <summary>
/// Returns a mock java class definition generator.
/// </summary>
private static IJavaClassDefinitionGenerator GetMockJavaClassDefinitionGenerator(
JavaFileBuilder builder,
JavaClass javaClass)
{
var generator = new Mock<IJavaClassDefinitionGenerator>();
generator
.Setup
(
g => g.GenerateClassDefinition()
)
.Callback
(
() => builder.AddLine(javaClass.ClassName)
);
return generator.Object;
}
/// <summary>
/// Returns a new generated question template based off of an existing question.
/// The generated question is not saved unless and until it is submitted through
/// CreateQuestionAsync.
/// </summary>
public async Task<Question> GenerateFromExistingQuestionAsync(
string classroomName,
int existingQuestionId)
{
var existingQuestion = await GetQuestionAsync(classroomName, existingQuestionId);
if (existingQuestion is GeneratedQuestionTemplate)
{
throw new InvalidOperationException(
"Cannot generate question from existing generated question.");
}
var builder = new JavaFileBuilder();
builder.AddLine("public class QuestionGenerator");
builder.BeginScope("{");
builder.AddLine("public static Question generateQuestion(int seed)");
builder.BeginScope("{");
_questionGenerator.GenerateConstructorInvocation
(
existingQuestion,
builder
);
builder.EndScope("}");
builder.EndScope("}");
return new GeneratedQuestionTemplate()
{
Name = $"{existingQuestion.Name} (generated)",
QuestionCategoryId = existingQuestion.QuestionCategoryId,
Description = "Generated Question",
ImportedClasses = new List<ImportedClass>()
{
new ImportedClass()
{
ClassName = "java.util.*"
}
},
GeneratorContents = builder.GetFileContents()
};
}
/// <summary>
/// Returns a mock java constructor invocation generator.
/// </summary>
private static IJavaConstructorInvocationGenerator GetMockJavaConstructorInvocationGenerator(
JavaFileBuilder builder,
Question question)
{
var generator = new Mock<IJavaConstructorInvocationGenerator>();
generator
.Setup
(
g => g.GenerateConstructorInvocation
(
question,
"return ",
";"
)
)
.Callback<object, string, string>
(
(obj, prefix, suffix) => builder.AddLine("ConstructorInvocation")
);
return generator.Object;
}