public void ReplaceInRange_WhenArgumentsInvalid_ThrowsException(int lowerBound, int upperBound)
{
// Arrange
var mockTermsReplaced = new[] { "Test" };
var termReplacer = Substitute.For <ITermReplacer>();
var summaryBuilder = Substitute.For <ISummaryBuilder>();
termReplacer.ReplaceSequence(new[] { 1, 2 }).ReturnsForAnyArgs(mockTermsReplaced);
var termReplacementController = new TermReplacementController(termReplacer, summaryBuilder);
// Act
Assert.Throws <ArgumentException>(() => termReplacementController.ReplaceInRange(lowerBound, upperBound));
}
public void ReplaceInRange_WhenValidInput_CalculatesRangeAndPassesToTermReplacer(int lowerBound, int upperBound)
{
// Arrange
var termReplacer = Substitute.For <ITermReplacer>();
var summaryBuilder = Substitute.For <ISummaryBuilder>();
var termReplacementController = new TermReplacementController(termReplacer, summaryBuilder);
// Act
termReplacementController.ReplaceInRange(lowerBound, upperBound);
// Assert
termReplacer.Received(1).ReplaceSequence(Arg.Any <int[]>());
}
public void ReplaceInRange_WhenValidInput_PassesReplacedTermsToSummaryBuilder(int lowerBound, int upperBound)
{
// Arrange
var mockTermsReplaced = new[] { "Test" };
var termReplacer = Substitute.For <ITermReplacer>();
var summaryBuilder = Substitute.For <ISummaryBuilder>();
termReplacer.ReplaceSequence(new[] { 1, 2 }).ReturnsForAnyArgs(mockTermsReplaced);
var termReplacementController = new TermReplacementController(termReplacer, summaryBuilder);
// Act
termReplacementController.ReplaceInRange(lowerBound, upperBound);
// Assert
summaryBuilder.Received(1).BuildSummary(mockTermsReplaced, Arg.Any <int[]>());
}
public void ReplaceInRange_WhenValidInput_ReturnsCalculatedResponse(int lowerBound, int upperBound)
{
// Arrange
var mockTermsReplaced = new[] { "test" };
var mockSummary = new Dictionary <string, int>(new[] { new KeyValuePair <string, int>("test", 1) });
var mockOriginalNumbers = new[] { 1 };
var expectedResponse = ReplaceInRangeResponse.Build(mockTermsReplaced, mockOriginalNumbers, mockSummary);
var termReplacer = Substitute.For <ITermReplacer>();
var summaryBuilder = Substitute.For <ISummaryBuilder>();
termReplacer.ReplaceSequence(Arg.Any <int[]>()).ReturnsForAnyArgs(mockTermsReplaced);
summaryBuilder.BuildSummary(mockTermsReplaced, Arg.Any <int[]>()).ReturnsForAnyArgs(mockSummary);
var termReplacementController = new TermReplacementController(termReplacer, summaryBuilder);
// Act
var response = termReplacementController.ReplaceInRange(lowerBound, upperBound);
// Assert
Assert.True(expectedResponse.result == response.result && expectedResponse.summary == response.summary, "Response from ReplaceInRange action method was different than expected");
}
