public void GetPostingsTest_TermNotExist_ReturnsEmpty()
{
TermLiteral term = new TermLiteral("zebra");
IList <Posting> result = term.GetPostings(index, processor);
result.Should().BeEmpty("because there's no posting for the term 'zebra'");
}
public void GetPostingsTest_TermWithException_ReturnsEmpty()
{
TermLiteral term = new TermLiteral("");
IList <Posting> result = term.GetPostings(index, processor);
result.Should().BeEmpty("because the term literal has empty string");
}
public void ParsingSingleQueryTest_ReturnsTermLiteral()
{
//Arrange
string query = "smoothie";
TermLiteral expected = new TermLiteral(query);
//Act
IQueryComponent actual = parser.ParseQuery(query);
//Assert
actual.Should().BeOfType(typeof(TermLiteral));
((TermLiteral)actual).Term.Should().BeSameAs(expected.Term);
}
public void GetPostingsTest_TermExist_ReturnsPostings()
{
//1. Test for exact words
TermLiteral term1 = new TermLiteral("mystery");
IList <Posting> result = term1.GetPostings(index, processor);
result.Should().HaveCount(3, "because there are 3 documents that contain the term 'mystery'");
//2. Test for stemmed words
TermLiteral term2 = new TermLiteral("snowing");
TermLiteral term3 = new TermLiteral("snows");
IList <Posting> result2 = term2.GetPostings(index, processor);
IList <Posting> result3 = term2.GetPostings(index, processor);
result2.Should().HaveSameCount(result3, "because 'snowing' should be processed and include result of 'snows', 'snowing' or 'snow'");
}
