public static void Blank_string_produces_no_column_sorts([Values(null, "", " \t\r\n ")] string text)
{
ColumnAnnotationParser.ParseSortLevel(text).Value.ShouldBeEmpty();
}
public static void Desc_keyword_may_not_be_used_before_the_column_name()
{
ColumnAnnotationParser.ParseSortLevel("desc A").ShouldBe(
Result.Error("Expected identifier or end of input at start of input, but found keyword ‘desc’."));
}
public static void Asc_and_desc_keywords_may_not_be_used_for_the_same_column()
{
ColumnAnnotationParser.ParseSortLevel("A asc desc").ShouldBe(
Result.Error("Expected comma or end of input after keyword ‘asc’, but found keyword ‘desc’."));
}
public static void Asc_keyword_may_not_be_used_without_a_column_name()
{
ColumnAnnotationParser.ParseSortLevel("asc").ShouldBe(
Result.Error("Expected identifier or end of input at start of input, but found keyword ‘asc’."));
}
public static void Field_names_must_be_separated_with_commas()
{
ColumnAnnotationParser.ParseSortLevel("A B").ShouldBe(
Result.Error("Expected keyword ‘asc’, keyword ‘desc’, comma, or end of input after identifier ‘A’, but found identifier ‘B’."));
}
public static void Default_sort_is_ascending()
{
ColumnAnnotationParser.ParseSortLevel("A").Value[0].AscendingOrder.ShouldBeTrue();
}
public static void Asc_and_desc_keywords_may_have_any_casing()
{
ColumnAnnotationParser.ParseSortLevel("A ASC, B aSc, C DESC, D dEsC").Value
.Select(l => l.AscendingOrder).ShouldBe(new[] { true, true, false, false });
}
public static void Field_names_must_not_be_within_parentheses()
{
ColumnAnnotationParser.ParseSortLevel("(A)").ShouldBe(
Result.Error("Expected identifier or end of input at start of input, but found ‘(’."));
}
public static void Unrecognized_character_is_reported()
{
ColumnAnnotationParser.ParseSortLevel("[A]").ShouldBe(
Result.Error("Unrecognized character ‘[’."));
}
public static void There_can_be_multiple_column_sorts()
{
ColumnAnnotationParser.ParseSortLevel("B, A").Value.Select(l => l.FieldName)
.ShouldBe(new[] { "B", "A" });
}
public static void Field_names_must_not_appear_twice_regardless_of_casing()
{
ColumnAnnotationParser.ParseSortLevel("A, B, a").ShouldBe(
Result.Error("The field name ‘a’ appears more than once."));
}
public static void Field_names_may_not_start_with_digits([Values("0", "0A")] string identifier)
{
ColumnAnnotationParser.ParseSortLevel(identifier).ShouldBe(
Result.Error("Unrecognized character ‘0’."));
}
public static void Field_names_may_contain_digits([Values("A0", "A0A")] string identifier)
{
ColumnAnnotationParser.ParseSortLevel(identifier).Value[0].FieldName.ShouldBe(identifier);
}
public static void Field_names_may_contain_underscores([Values("_", "_A", "A_", "A_A")] string identifier)
{
ColumnAnnotationParser.ParseSortLevel(identifier).Value[0].FieldName.ShouldBe(identifier);
}
public static void Trailing_comma_is_not_allowed()
{
ColumnAnnotationParser.ParseSortLevel("A,").ShouldBe(
Result.Error("Expected identifier after comma, but found end of input."));
}
