public async Task Call_JsonProvider_Deserialize_Once()
{
// Arrange
this.apiProviderStub
.Setup(x => x.GetJSON(It.IsAny <string>()))
.ReturnsAsync("correctJSON");
this.jsonProviderStub
.Setup(x => x.DeserializeObject <TwitterUserDto>(It.IsAny <string>()))
.Returns(new TwitterUserDto())
.Verifiable();
var twitterService = new global::RTWTR.Service.Twitter.TwitterService(
this.apiProviderStub.Object,
this.jsonProviderStub.Object,
this.mappingProviderStub.Object
);
// Act
var userDto = await twitterService.GetSingleUserAsync("screenName");
// Assert
this.jsonProviderStub.Verify(
x => x.DeserializeObject <TwitterUserDto>(It.IsAny <string>()),
Times.Once
);
}
public async Task Returns_EmptyUser_When_ResponseIsWhitespace()
{
// Arrange
this.apiProviderStub
.Setup(x => x.GetJSON(It.IsAny <string>()))
.ReturnsAsync("");
this.jsonProviderStub
.Setup(x => x.DeserializeObject <TwitterUserDto>(It.IsAny <string>()))
.Returns(new TwitterUserDto())
.Verifiable();
var twitterService = new global::RTWTR.Service.Twitter.TwitterService(
this.apiProviderStub.Object,
this.jsonProviderStub.Object,
this.mappingProviderStub.Object
);
// Act
var userDto = await twitterService.GetSingleUserAsync("screenName");
// Assert
Assert.IsNotNull(userDto);
Assert.IsNull(userDto.Id);
Assert.IsNull(userDto.Name);
Assert.IsNull(userDto.Description);
Assert.IsNull(userDto.TwitterId);
Assert.IsNull(userDto.ProfileImageUrl);
}
public async Task Returns_CorrectUser_When_ResponseIsCorrect()
{
// Arrange
this.apiProviderStub
.Setup(x => x.GetJSON(It.IsAny <string>()))
.ReturnsAsync("correctJSON");
this.jsonProviderStub
.Setup(x => x.DeserializeObject <TwitterUserDto>("correctJSON"))
.Returns(
new TwitterUserDto()
{
Id = "ID",
Name = "Jason",
Description = "CorrectDTO"
})
.Verifiable();
var twitterService = new global::RTWTR.Service.Twitter.TwitterService(
this.apiProviderStub.Object,
this.jsonProviderStub.Object,
this.mappingProviderStub.Object
);
// Act
var userDto = await twitterService.GetSingleUserAsync("screenName");
// Assert
Assert.IsNotNull(userDto);
Assert.AreEqual("ID", userDto.Id);
Assert.AreEqual("Jason", userDto.Name);
Assert.AreEqual("CorrectDTO", userDto.Description);
}