@Test
public void returnsUserInput() {
CompositeValidator compositeValidator =
new CompositeValidator(Collections.singletonList(new NumericValidator()));
ValidationResult validationResult = compositeValidator.isValid("1");
assertThat(validationResult.userInput(), is("1"));
}
@Test
public void validatedInputHasNoReason() {
CompositeValidator compositeValidator =
new CompositeValidator(Collections.singletonList(new NumericValidator()));
ValidationResult validationResult = compositeValidator.isValid("1");
assertThat(validationResult.reason(), is(""));
}
@Test
public void reasonInputIsNotValid() {
CompositeValidator compositeValidator =
new CompositeValidator(Collections.singletonList(new NumericValidator()));
ValidationResult validationResult = compositeValidator.isValid("A");
assertThat(validationResult.reason(), is("[A] is not a valid integer"));
}
@Test
public void inputNotValidated() {
CompositeValidator compositeValidator =
new CompositeValidator(Collections.singletonList(new NumericValidator()));
ValidationResult validationResult = compositeValidator.isValid("A");
assertThat(validationResult.isValid(), is(false));
}
@Test
public void inputSuccessfullyValidated() {
CompositeValidator compositeValidator =
new CompositeValidator(Collections.singletonList(new NumericValidator()));
ValidationResult validationResult = compositeValidator.isValid("1");
assertThat(validationResult.isValid(), is(true));
}
@Test
public void inputValidatedIfAllValidationsAreSuccessfull() {
List<InputValidator> validators = new ArrayList<>();
validators.add(new NumericValidator());
validators.add(new WithinGridBoundaryValidator(new Board(3)));
CompositeValidator compositeValidator = new CompositeValidator(validators);
ValidationResult validationResult = compositeValidator.isValid("7");
assertThat(validationResult.isValid(), is(true));
}
@Test
public void reasonForFailureReturnedWhenOneOfSeveralValidationsFails() {
List<InputValidator> validators = new ArrayList<>();
validators.add(new NumericValidator());
validators.add(new WithinGridBoundaryValidator(new Board(3)));
CompositeValidator compositeValidator = new CompositeValidator(validators);
ValidationResult validationResult = compositeValidator.isValid("100");
assertThat(validationResult.reason(), is("[100] is outside of the grid boundary"));
}
@Test
public void inputNotValidatedIfOneOfSeveralValidationsFail() {
List<InputValidator> validators = new ArrayList<>();
validators.add(new NumericValidator());
validators.add(new WithinGridBoundaryValidator(new Board(3)));
CompositeValidator compositeValidator = new CompositeValidator(validators);
ValidationResult validationResult = compositeValidator.isValid("100");
assertThat(validationResult.isValid(), is(false));
}