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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| ////////////////////////////////////////////////////////////////////// | ||
| // SYNTAX FOR EXPRESSING A STRING CONSTRAINT | ||
| ////////////////////////////////////////////////////////////////////// | ||
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| //public static class StringConstraints | ||
| //{ | ||
| // private string _outputText; | ||
|
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| // public static bool Contains(this string output) | ||
| // { | ||
| // return new StringCOnt(); | ||
| // } | ||
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| // public OutputCheck(string outputText) | ||
| // { | ||
| // _outputText = outputText; | ||
| // } | ||
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| // public bool Contains(string content) | ||
| // { | ||
| // return output.Contains(content); | ||
| // } | ||
| //} | ||
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| // OutputCheck is used to check content of redirected package test output | ||
| public abstract class OutputCheck | ||
| { | ||
| protected string _expectedText; | ||
| protected int _atleast; | ||
| protected int _exactly; | ||
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| public OutputCheck(string expectedText, int atleast = 1, int exactly = -1) | ||
| { | ||
| _expectedText = expectedText; | ||
| _atleast = atleast; | ||
| _exactly = exactly; | ||
| } | ||
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| public bool Matches(IEnumerable<string> output) => Matches(string.Join("\r\n", output)); | ||
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| public abstract bool Matches(string output); | ||
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| public string Message { get; protected set; } | ||
| } | ||
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| public class OutputContains : OutputCheck | ||
| { | ||
| public OutputContains(string expectedText, int atleast = 1, int exactly = -1) : base(expectedText, atleast, exactly) { } | ||
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| public override bool Matches(string output) | ||
| { | ||
| int found = 0; | ||
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| int index = output.IndexOf(_expectedText); | ||
| int textLength = _expectedText.Length; | ||
| int outputLength = output.Length; | ||
| while (index >= 0 && index < output.Length - textLength) | ||
| { | ||
| ++found; | ||
| index += textLength; | ||
| index = output.IndexOf(_expectedText, index); | ||
| } | ||
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| if (_atleast > 0 && found >= _atleast || _exactly > 0 && found == _exactly) | ||
| return true; | ||
|
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| var sb = new StringBuilder(" Expected: "); | ||
| if (_atleast > 0) | ||
| { | ||
| sb.Append($"at least {_atleast} "); | ||
| sb.Append(_atleast == 1 ? "line " : "lines "); | ||
| sb.Append($"containing \"{_expectedText}\" but found {found}"); | ||
| } | ||
| else | ||
| { | ||
| sb.Append($"exactly {_exactly} "); | ||
| sb.Append(_exactly == 1 ? "line " : "lines "); | ||
| sb.Append($"containing \"{_expectedText}\" but found {found}"); | ||
| } | ||
| //sb.Append(_atleast > 0 ? "at least " : "exactly "); | ||
| //sb.Append() | ||
| //else | ||
| // { | ||
| // Message = $"at least {_atleast} {_atleast = 1 ? "line" : "lines"} containing \"{_expectedText}\" but found {found}"; | ||
| // return false; | ||
| // } | ||
|
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| if (_exactly > 0) | ||
| if (found == _exactly) | ||
| return true; | ||
| else | ||
| { | ||
| Message = $" Expected: at least one line containing \"{_expectedText}\" But none were found"; | ||
| return false; | ||
| } | ||
|
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| return false; | ||
| } | ||
| } | ||
|
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| public class OutputDoesNotContain : OutputCheck | ||
| { | ||
| public OutputDoesNotContain(string expectedText) : base(expectedText) { } | ||
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| public override bool Matches(string output) | ||
| { | ||
| if (output.Contains(_expectedText)) | ||
| { | ||
| Message = $" Expected: no lines containing \"{_expectedText}\" But at least one was found"; | ||
| return false; | ||
| } | ||
|
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||
| return true; | ||
| } | ||
| } |
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