public void ParseCoordinatesCommand_WithNullParser_ShouldThrowArgumentNullExceptionWithCorrectParamName()
{
// Arrange + Act + Assert
var exception = Assert.Throws <ArgumentNullException>(() =>
{
var command = new ParseCoordinatesCommand(null);
});
Assert.AreEqual(ParameterNames.Parser, exception.ParamName, "ParamName is not correct.");
}
public void ParseCoordinatesCommand_RunWithNullDocumentAndNullProgramSettings_ShouldThrowArgumentNullException()
{
// Arrange
var parserMock = new Mock <ICoordinatesParser>();
var command = new ParseCoordinatesCommand(parserMock.Object);
// Act + Assert
var exception = Assert.ThrowsAsync <ArgumentNullException>(() =>
{
return(command.Run(null, null));
});
parserMock.Verify(p => p.Parse(It.IsAny <XmlNode>()), Times.Never);
}
public void ParseCoordinatesCommand_RunWithValidDocumentAndNullProgramSettings_ShouldThrowArgumentNullExceptionWithCorrectParamName()
{
// Arrange
var parserMock = new Mock <ICoordinatesParser>();
var command = new ParseCoordinatesCommand(parserMock.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.");
parserMock.Verify(p => p.Parse(It.IsAny <XmlNode>()), Times.Never);
}
public void ParseCoordinatesCommand_WithValidParser_ShouldCorrectlyInitializeObject()
{
// Arrange + Act
var parserMock = new Mock <ICoordinatesParser>();
var command = new ParseCoordinatesCommand(parserMock.Object);
// Assert
Assert.IsNotNull(command, "Initialized Command object should not be null.");
var parser = PrivateField.GetInstanceField(
typeof(ParseCoordinatesCommand).BaseType,
command,
ParameterNames.Parser);
Assert.IsNotNull(parser, "Private parser field should not be null.");
Assert.AreSame(parserMock.Object, parser, "Private parser field should not be set correctly.");
}
public async Task ParseCoordinatesCommand_RunWithValidDocumentAndValidProgramSettings_ShouldCallParserWithCorrectParameter()
{
// Arrange
var parserMock = new Mock <ICoordinatesParser>();
var command = new ParseCoordinatesCommand(parserMock.Object);
var settingsMock = new Mock <ICommandSettings>();
var documentMock = new Mock <IDocument>();
var xmldocumentStub = new XmlDocument();
xmldocumentStub.LoadXml("<a />");
documentMock
.SetupGet(d => d.XmlDocument)
.Returns(xmldocumentStub);
// Act
var result = await command.Run(documentMock.Object, settingsMock.Object);
// Assert
parserMock.Verify(p => p.Parse(It.IsAny <XmlNode>()), Times.Once);
parserMock.Verify(p => p.Parse(xmldocumentStub.DocumentElement), Times.Once);
}
