public void ReturnListOfAllCompaniesString_WhenInvokedWithValidParameters()
{
// Arrange
var companyServiceMock = new Mock <ICompanyService>();
var listAllCompaniesCommand = new ListAllCompaniesCommand(companyServiceMock.Object);
var parameters = new List <string>();
var companies = new List <CompanyDto>()
{
new CompanyDto()
{
Name = "Telerik"
},
new CompanyDto()
{
Name = "Progress"
}
};
companyServiceMock
.Setup(x => x.GetAllCompanies())
.Returns(companies);
var expectedMessage = string.Join(Environment.NewLine, companies);
//Act
var actualMessage = listAllCompaniesCommand.Execute(parameters);
//Assert
Assert.AreEqual(expectedMessage, actualMessage);
}
public void CreateInstance_WhenInvokedWithValidParameter()
{
//Arrange
var companyServiceMock = new Mock <ICompanyService>();
//Act
var listAllCompaniesCommand = new ListAllCompaniesCommand(companyServiceMock.Object);
//Assert
Assert.IsNotNull(listAllCompaniesCommand);
Assert.IsInstanceOfType(listAllCompaniesCommand, typeof(ICommand));
}
public void CallCompaniesListAllMethodOnce_WhenInvokedWithValidParameters()
{
// Arrange
var companyServiceMock = new Mock <ICompanyService>();
var listAllCompaniesCommand = new ListAllCompaniesCommand(companyServiceMock.Object);
var parameters = new List <string>();
//Act
listAllCompaniesCommand.Execute(parameters);
//Assert
companyServiceMock.Verify(x => x.GetAllCompanies(), Times.Once);
}
public void ThrowArgumentNullException_WhenMethodReturnsNull()
{
// Arrange
var companyServiceMock = new Mock <ICompanyService>();
var listAllCompaniesCommand = new ListAllCompaniesCommand(companyServiceMock.Object);
var parameters = new List <string>();
var companies = new List <CompanyDto>();
companyServiceMock
.Setup(x => x.GetAllCompanies())
.Returns((IEnumerable <CompanyDto>)null);
//Act && Assert
Assert.ThrowsException <ArgumentNullException>(() => listAllCompaniesCommand.Execute(parameters));
}
public void ReturnNoCompaniesMessageString_WhenInvokedWithValidParameters()
{
// Arrange
var companyServiceMock = new Mock <ICompanyService>();
var listAllCompaniesCommand = new ListAllCompaniesCommand(companyServiceMock.Object);
var parameters = new List <string>();
var companies = new List <CompanyDto>();
companyServiceMock
.Setup(x => x.GetAllCompanies())
.Returns(companies);
var expectedMessage = "There are no registered companies.";
//Act
var actualMessage = listAllCompaniesCommand.Execute(parameters);
//Assert
Assert.AreEqual(expectedMessage, actualMessage);
}
