public void returns_regex_with_no_capture_groups_when_no_constraints_are_included()
{
var pattern = "/api/resource/id";
var expected = $"(?i)^{pattern}$";
var patternKeys = new List <string>();
var regex = RouteTemplate.ConvertToRegex(pattern, out patternKeys);
regex.ToString().ShouldBe(expected);
patternKeys.Count.ShouldBe(0);
regex.IsMatch(pattern).ShouldBeTrue();
}
public void returns_regex_from_string_when_string_begins_with_caret()
{
var pattern = @"^/api/([a-zA-Z]+)/(\d+)";
var sample = "/api/users/1234";
var patternKeys = new List <string>();
var regex = RouteTemplate.ConvertToRegex(pattern, out patternKeys);
regex.ToString().ShouldBe(pattern);
patternKeys.Count.ShouldBe(0);
regex.IsMatch(sample).ShouldBeTrue();
}
public void returns_regex_with_default_capture_groups_when_using_generic_contraints()
{
var pattern = "/api/{resource}/{id}";
var expected = @"(?i)^/api/([^/]+)/([^/]+)$";
var sample = "/api/thing1/thing2";
var patternKeys = new List <string>();
var regex = RouteTemplate.ConvertToRegex(pattern, out patternKeys);
regex.ToString().ShouldBe(expected);
patternKeys.Count.ShouldBe(2);
patternKeys[0].ShouldBe("resource");
patternKeys[1].ShouldBe("id");
regex.IsMatch(sample).ShouldBeTrue();
}
public void returns_regex_with_capture_group_based_on_constraints()
{
var pattern = "/api/{resource:maxlength(20)}/{id:num}";
var expected = @"(?i)^/api/([^/]{1,20})/(\d+)$";
var sample = "/api/users/1234";
var patternKeys = new List <string>();
var regex = RouteTemplate.ConvertToRegex(pattern, out patternKeys);
regex.ToString().ShouldBe(expected);
patternKeys.Count.ShouldBe(2);
patternKeys[0].ShouldBe("resource");
patternKeys[1].ShouldBe("id");
regex.IsMatch(sample).ShouldBeTrue();
}