/// <summary>
/// Constructor.
/// </summary>
public JavaConstructorInvocationGenerator(
JavaFileBuilder builder,
IList<JavaClass> javaClasses)
{
_builder = builder;
_javaClasses = javaClasses;
}
public void GenerateConstructorInvocation_GeneratesCorrectInvocation()
{
var question = new MethodQuestion();
var fileBuilder = new JavaFileBuilder();
var questionGenerator = GetQuestionGenerator(question);
questionGenerator.GenerateConstructorInvocation(question, fileBuilder);
Assert.Equal("ConstructorInvocation\n", fileBuilder.GetFileContents());
}
public void GenerateClassDefinition_GeneratesCorrectDefinition()
{
var javaClass = ExpectedJavaModel.GetFullJavaModel()
.Single(c => c.ClassName == "RootObject");
var fileBuilder = new JavaFileBuilder();
var classDefGenerator = new JavaClassDefinitionGenerator(fileBuilder, javaClass);
classDefGenerator.GenerateClassDefinition();
var result = fileBuilder.GetFileContents();
var expectedResult = c_correctDefinition.Replace("\r\n", "\n");
Assert.Equal(expectedResult, result);
}
/// <summary>
/// Generates an invocation of the question constructor that
/// populates the resulting question with all of the existing
/// question's data.
/// </summary>
public void GenerateConstructorInvocation(
Question existingQuestion,
JavaFileBuilder fileBuilder)
{
var javaModel = _questionModelFactory.GetQuestionModel();
var constructorInvocationGenerator = _javaCodeGenerationFactory
.CreateConstructorInvocationGenerator(fileBuilder, javaModel);
constructorInvocationGenerator.GenerateConstructorInvocation
(
existingQuestion,
prefix: "return ",
suffix: ";"
);
}
public void GenerateConstructorInvocation_GeneratesCorrectInvocation()
{
var fileBuilder = new JavaFileBuilder();
var javaModel = ExpectedJavaModel.GetFullJavaModel();
var constructorInvocationGen = new JavaConstructorInvocationGenerator
(
fileBuilder,
javaModel
);
constructorInvocationGen.GenerateConstructorInvocation
(
GetRootObject(),
"return ",
";"
);
var result = fileBuilder.GetFileContents();
var expectedResult = c_correctInvocation.Replace("\r\n", "\n");
Assert.Equal(expectedResult, result);
}
/// <summary>
/// Returns the contents of the file used to generate the question.
/// </summary>
private string GetGeneratorFile(int numImports, string generatorContents, out int lineOffset)
{
var fileBuilder = new JavaFileBuilder();
var javaModel = _questionModelFactory.GetQuestionModel();
foreach (var javaClass in javaModel)
{
var javaClassDefinitionGenerator = _javaCodeGenerationFactory
.CreateJavaClassDefinitionGenerator(fileBuilder, javaClass);
javaClassDefinitionGenerator.GenerateClassDefinition();
fileBuilder.AddBlankLine();
}
lineOffset = -fileBuilder.LinesAdded - numImports;
fileBuilder.AddLines(generatorContents);
return fileBuilder.GetFileContents().Replace("%", "%%");
}
/// <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 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 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;
}
/// <summary>
/// Creates a java class definition generator.
/// </summary>
public IJavaClassDefinitionGenerator CreateJavaClassDefinitionGenerator(
JavaFileBuilder fileBuilder,
JavaClass javaClass)
{
return new JavaClassDefinitionGenerator(fileBuilder, javaClass);
}
/// <summary>
/// Creates a constructor invocation generator.
/// </summary>
public IJavaConstructorInvocationGenerator CreateConstructorInvocationGenerator(
JavaFileBuilder fileBuilder,
IList<JavaClass> javaClasses)
{
return new JavaConstructorInvocationGenerator(fileBuilder, javaClasses);
}
/// <summary>
/// Constructor.
/// </summary>
public JavaClassDefinitionGenerator(JavaFileBuilder builder, JavaClass javaClass)
{
_builder = builder;
_javaClass = javaClass;
}