public void TextFileProcessor_TryParseData_WithInvalidStreamInput_ShouldReturnFalseAndNullOutput()
{
// ARRANGE
TextFileProcessor processor = new TextFileProcessor();
IEnumerable <DataItem> results = null;
Stream fakeStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes("[2017-12-13 09:42:2- thing fun happened."));
bool actualResult;
// ACT
actualResult = processor.TryParseData(fakeStream, out results);
// ASSERT
Assert.Null(results, "No results should have come back.");
Assert.False(actualResult, "The result of the TryParse should have been false.");
} // end test
public void TextFileProcessor_TryParseData_WithValidStreamInput_ShouldReturnTrueAndOutputResults()
{
// ARRANGE
TextFileProcessor processor = new TextFileProcessor();
IEnumerable <DataItem> results = null;
Stream fakeStream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes("[2017-12-13 09:42:23.244 INFO - Data Updated] Something fun happened."));
bool actualResult;
// ACT
actualResult = processor.TryParseData(fakeStream, out results);
// ASSERT
Assert.AreEqual(1, results.Count(), "One result should have come out of the method.");
Assert.True(actualResult, "The result of the TryParse should have been true.");
} // end test
public void TextFileProcessor_TryParseData_WithInvalidStringInput_ShouldReturnFalseAndNullOutput()
{
// ARRANGE
TextFileProcessor processor = new TextFileProcessor();
IEnumerable <DataItem> results = null;
string fakeString = "[2017-12-13 09:42:2- Data Updated] Something fun happened.";
bool actualResult;
// ACT
actualResult = processor.TryParseData(fakeString, out results);
// ASSERT
Assert.Null(results, "No results should have come back.");
Assert.False(actualResult, "The result of the TryParse should have been false.");
} // end test