public void ValidateImage_ReturnsFalseForNullStream()
{
// arrange
var service = new ImageValidatorService();
// act
var result = service.ValidateImage(null);
// assert
Assert.False(result.isValid);
}
public void ValidateImage_ReturnsFalseForInvalidFileFormat()
{
// arrange
var stream = GetImageResourceStream("InvalidImage.txt");
var service = new ImageValidatorService();
// act
var result = service.ValidateImage(stream);
// assert
Assert.False(result.isValid);
}
public void ValidateImage_ReturnsFalseForEmptyStream()
{
// arrange
var stream = new MemoryStream();
var service = new ImageValidatorService();
// act
var result = service.ValidateImage(stream);
// assert
Assert.False(result.isValid);
}
public void ValidateImage_ReturnsMimeType()
{
// arrange
var stream = GetImageResourceStream("jpeg.jpeg");
var service = new ImageValidatorService();
// act
var result = service.ValidateImage(stream);
// assert
Assert.Equal("image/jpeg", result.mimeType);
}
public void ValidateImage_ReturnsTrue()
{
// arrange
var stream = GetImageResourceStream("jpeg.jpeg");
var service = new ImageValidatorService();
// act
var result = service.ValidateImage(stream);
// assert
Assert.True(result.isValid);
}