public void GetTestSet_OnePathAndMultipleMappingsWithNonMatchingPaths_ReturnsAllTests()
{
//arrange
HashSet <String> paths = new HashSet <String>()
{
"src/random"
};
Dictionary <String, String[]> map = new Dictionary <String, String[]>()
{
{ "src/path1", new String[] { "test1.dll" } },
{ "src/path2", new String[] { "test2.dll" } },
{ "src/path3", new String[] { "test2.dll", "test3.dll" } }
};
HashSet <String> expected = new HashSet <String>()
{
"test1.dll",
"test2.dll",
"test3.dll"
};
HashSet <String> actual = new HashSet <String>();
//act
actual = TestSetGenerator.GetTestSet(paths, map);
//assert
Assert.True(expected.SetEquals(actual));
}
public void GetTestSet_SomePathIsNull_ShouldThrowArgumentNullException()
{
//arrange
HashSet <String> paths = new HashSet <String>()
{
null,
"random2",
"random3"
};
Dictionary <String, String[]> map = new Dictionary <String, String[]>()
{
{ "src/path1", new String[] { "test1.dll" } },
{ "src/path2", new String[] { } },
{ "path3", new String[] { "test2.dll", "test3.dll" } }
};
//act
try
{
TestSetGenerator.GetTestSet(paths, map);
}
catch (ArgumentNullException e)
{
// assert
Assert.Contains("One or more of the paths provided are null.", e.Message);
return;
}
throw new Exception("No exception was thrown.");
}
public void GetTestSet_OnePathAndOneMappingWithMatchingPath_ReturnsTestSetMatchingPath()
{
//declarations
HashSet <String> paths = new HashSet <String>()
{
"src/path1/fullpath"
};
Dictionary <String, String[]> map = new Dictionary <String, String[]>()
{
{ "src/path1", new String[] { "test1.dll" } }
};
HashSet <String> expected = new HashSet <String>()
{
"test1.dll"
};
HashSet <String> actual = new HashSet <String>();
//act
actual = TestSetGenerator.GetTestSet(paths, map);
//assert
Assert.True(expected.SetEquals(actual));
}
public void GetTestSet_NoMappingsProvided_ShouldThrowArgumentException()
{
//arrange
HashSet <String> paths = new HashSet <String>()
{
"random1",
"random2",
"random3"
};
Dictionary <String, String[]> map = new Dictionary <String, String[]>();
//act
try
{
TestSetGenerator.GetTestSet(paths, map);
}
catch (ArgumentException e)
{
// assert
Assert.Contains(e.Message, "Map does not contain any element.");
return;
}
throw new Exception("No exception was thrown.");
}
/// <summary>
/// Static method used to generate a set of tests to be run based on
/// a Json file which maps files to test Dlls.
/// </summary>
/// <param name="files">This is a set of paths.</param>
/// <param name="mapFilePath">This is the filepath of the map that contains
/// the mapping between files and test DLLs.</param>
/// <returns>Set of tests to be run</returns>
public static IEnumerable <string> GetTests(IEnumerable <string> files, string mapFilePath)
{
if (mapFilePath == null)
{
throw new ArgumentNullException("The filepath of the map should never be null.");
}
if (files == null)
{
throw new ArgumentNullException("The files should never be null.");
}
HashSet <string> paths = new HashSet <string>(files);
Dictionary <string, string[]> pathToTestsMappings;
try
{
pathToTestsMappings = JsonConvert.DeserializeObject <Dictionary <string, string[]> >(File.ReadAllText(mapFilePath));
}
catch (FileNotFoundException)
{
throw new FileNotFoundException("The filepath provided for the map could not be found. Please provide a valid filepath.");
}
return(TestSetGenerator.GetTestSet(paths, pathToTestsMappings));
}
public void GetTestSet_NoPathsProvided_ReturnsAllTests()
{
//arrange
HashSet <String> paths = new HashSet <String>()
{
};
Dictionary <String, String[]> map = new Dictionary <String, String[]>()
{
{ "src/path1", new String[] { "test1.dll" } },
{ "src/path2", new String[] { } },
{ "path3", new String[] { "test2.dll", "test3.dll" } }
};
int expectedNumberFiles = 3;
HashSet <string> actual;
//act
actual = TestSetGenerator.GetTestSet(paths, map);
//assert
Assert.True(expectedNumberFiles == actual.Count);
}
public void GetTestSet_MapNullArgument_ShouldThrowArgumentNullException()
{
//arrange
HashSet <String> paths = new HashSet <String>()
{
"random1",
"random2",
"random3"
};
//act
try
{
TestSetGenerator.GetTestSet(paths, null);
}
catch (ArgumentNullException e)
{
// assert
Assert.Contains("Mapping should never be null.", e.Message);
return;
}
throw new Exception("No exception was thrown.");
}
public void GetTestSet_PathsNullArgument_ShouldThrowArgumentNullException()
{
//arrange
Dictionary <String, String[]> map = new Dictionary <String, String[]>()
{
{ "src/path1", new String[] { "test1.dll" } },
{ "src/path2", new String[] { } },
{ "path3", new String[] { "test2.dll", "test3.dll" } }
};
//act
try
{
TestSetGenerator.GetTestSet(null, map);
}
catch (ArgumentNullException e)
{
// assert
Assert.Contains("Paths set should never be null.", e.Message);
return;
}
throw new Exception("No exception was thrown.");
}
