public void DiffDetecsWhenInputStringsHaveSameSizeButDifferentContent()
{
var customDiff = new CustomDiff("this iz on imtot string", "this is an input steeeg");
var customDiffResult = customDiff.Diff();
Assert.Equal("The compared strings have the same size but the content is different", customDiffResult.Result);
Assert.True(customDiffResult.Differences.Count > 0);
Assert.Equal(6, customDiffResult.Differences[0].StartPosition);
Assert.Equal(1, customDiffResult.Differences[0].Length);
Assert.Equal(8, customDiffResult.Differences[1].StartPosition);
Assert.Equal(1, customDiffResult.Differences[1].Length);
Assert.Equal(12, customDiffResult.Differences[2].StartPosition);
Assert.Equal(3, customDiffResult.Differences[2].Length);
Assert.Equal(19, customDiffResult.Differences[3].StartPosition);
Assert.Equal(3, customDiffResult.Differences[3].Length);
}
public IActionResult Get(int id)
{
// Returns 404 if Id hasn't been inserted in both directions. This prevents an unwanted 500 from raising to the user.
if (!CachingHelper.KeyExists(id))
{
return(new NotFoundObjectResult("Provided Id does not exist"));
}
string left = CachingHelper.Get(id, CacheDirection.LEFT);
string right = CachingHelper.Get(id, CacheDirection.RIGHT);
/* Improvement: If this application did a heavier/more complex Diff, instead of calling the Diff on the GET, there could be an async/background worker
* that ran whenever both directions were input, making the GET speed faster */
var diffResult = new CustomDiff(left, right).Diff();
var response = new DiffResultView
{
Result = diffResult.Result,
Extra = diffResult.HasDifferences ? diffResult.Differences.ToString() : ""
};
return(new JsonResult(response));
}
public void DiffDetecsWhenOneInputStringIsEmpty()
{
var customDiffResult = new CustomDiff("this is an input string", "").Diff();
Assert.Equal("The compared strings have different sizes", customDiffResult.Result);
}
public void DiffDetecsWhenInputStringsAreEqual()
{
var customDiffResult = new CustomDiff("this is an input string", "this is an input string").Diff();
Assert.Equal("The compared strings are equal", customDiffResult.Result);
}
