public void InitialFormatCommand_WithNullFormatter_ShouldThrowArgumentNullExceptionWithCorrectParamName()
{
// Arrange + Act + Assert
var exception = Assert.Throws <ArgumentNullException>(() =>
{
var command = new InitialFormatCommand(null);
});
Assert.AreEqual(ParameterNames.Formatter, exception.ParamName, "ParamName is not correct.");
}
public void InitialFormatCommand_RunWithNullDocumentAndNullProgramSettings_ShouldThrowArgumentNullException()
{
// Arrange
var formatterMock = new Mock <IDocumentInitialFormatter>();
var command = new InitialFormatCommand(formatterMock.Object);
// Act + Assert
var exception = Assert.ThrowsAsync <ArgumentNullException>(() =>
{
return(command.Run(null, null));
});
formatterMock.Verify(p => p.Format(It.IsAny <IDocument>()), Times.Never);
}
public async Task InitialFormatCommand_RunWithValidDocumentAndValidProgramSettings_ShouldCallParserWithCorrectParameter()
{
// Arrange
var formatterMock = new Mock <IDocumentInitialFormatter>();
var command = new InitialFormatCommand(formatterMock.Object);
var settingsMock = new Mock <ICommandSettings>();
var documentMock = new Mock <IDocument>();
// Act
var result = await command.Run(documentMock.Object, settingsMock.Object);
// Assert
formatterMock.Verify(p => p.Format(It.IsAny <IDocument>()), Times.Once);
formatterMock.Verify(p => p.Format(documentMock.Object), Times.Once);
}
public void InitialFormatCommand_RunWithValidDocumentAndNullProgramSettings_ShouldThrowArgumentNullExceptionWithCorrectParamName()
{
// Arrange
var formatterMock = new Mock <IDocumentInitialFormatter>();
var command = new InitialFormatCommand(formatterMock.Object);
var documentMock = new Mock <IDocument>();
// Act + Assert
var exception = Assert.ThrowsAsync <ArgumentNullException>(() =>
{
return(command.Run(documentMock.Object, null));
});
Assert.AreEqual(ParameterNames.Settings, exception.ParamName, "ParamName is not correct.");
formatterMock.Verify(p => p.Format(It.IsAny <IDocument>()), Times.Never);
}
public void InitialFormatCommand_WithValidFormatter_ShouldCorrectlyInitializeObject()
{
// Arrange + Act
var formatterMock = new Mock <IDocumentInitialFormatter>();
var command = new InitialFormatCommand(formatterMock.Object);
// Assert
Assert.IsNotNull(command, "Initialized Command object should not be null.");
var formatter = PrivateField.GetInstanceField(
typeof(InitialFormatCommand).BaseType,
command,
ParameterNames.Formatter);
Assert.IsNotNull(formatter, "Private formatter field should not be null.");
Assert.AreSame(formatterMock.Object, formatter, "Private formatter field should not be set correctly.");
}
