public void Parse_SingleParameter()
{
// Arrange
var template = "{p}";
var expected = Pattern(template, Segment(ParameterPart("p")));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void Parse_OptionalParameter()
{
// Arrange
var template = "{p?}";
var expected = Pattern(template, Segment(ParameterPart("p", null, RoutePatternParameterKind.Optional)));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void ParseRouteParameter_ThrowsIf_ParameterContainsSpecialCharacters(
string template,
string parameterName)
{
// Arrange
var expectedMessage = "The route parameter name '" + parameterName + "' is invalid. Route parameter " +
"names must be non-empty and cannot contain these characters: '{', '}', '/'. The '?' character " +
"marks a parameter as optional, and can occur only at the end of the parameter. The '*' character " +
"marks a parameter as catch-all, and can occur only at the start of the parameter.";
// Act & Assert
ExceptionAssert.Throws <RoutePatternException>(() => RoutePatternParser.Parse(template), expectedMessage);
}
public void Parse_MultipleParameters()
{
// Arrange
var template = "{p1}/{p2}/{*p3}";
var expected = Pattern(
template,
Segment(ParameterPart("p1")),
Segment(ParameterPart("p2")),
Segment(ParameterPart("p3", null, RoutePatternParameterKind.CatchAll)));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void Parse_MultipleLiterals()
{
// Arrange
var template = "cool/awesome/super";
var expected = Pattern(
template,
Segment(LiteralPart("cool")),
Segment(LiteralPart("awesome")),
Segment(LiteralPart("super")));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void Parse_ComplexSegment_PL()
{
// Arrange
var template = "{p1}-cool";
var expected = Pattern(
template,
Segment(
ParameterPart("p1"),
LiteralPart("-cool")));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void Parse_ComplexSegment_ParametersFollowingPeriod()
{
// Arrange
var template = "{p1}.{p2}";
var expected = Pattern(
template,
Segment(
ParameterPart("p1"),
LiteralPart("."),
ParameterPart("p2")));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void Parse_ComplexSegment_OptionalParameterFollowingPeriod_PeriodAfterSlash()
{
// Arrange
var template = "{p2}/.{p3?}";
var expected = Pattern(
template,
Segment(ParameterPart("p2")),
Segment(
SeparatorPart("."),
ParameterPart("p3", null, RoutePatternParameterKind.Optional)));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
[InlineData(@"{p1:regex(([{{(])\w+)}", @"regex(([{(])\w+)")] // Not balanced {
public void Parse_RegularExpressions(string template, string constraint)
{
// Arrange
var expected = Pattern(
template,
Segment(
ParameterPart(
"p1",
null,
RoutePatternParameterKind.Standard,
Constraint(constraint))));
// Act
var actual = RoutePatternParser.Parse(template);
// Assert
Assert.Equal <RoutePattern>(expected, actual, new RoutePatternEqualityComparer());
}
public void InvalidTemplate_CatchAllMarkedOptional()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("{a}/{*b?}"),
"A catch-all parameter cannot be marked optional.");
}
public void InvalidTemplate_CannotContainQuestionMark()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("foor?bar"),
"The literal section 'foor?bar' is invalid. Literal sections cannot contain the '?' character.");
}
public void InvalidTemplate_CannotStartWithTilde()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("~foo"),
"The route template cannot start with a '~' character unless followed by a '/'.");
}
public void InvalidTemplate_WithCatchAllNotAtTheEndThrows()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("foo/{p1}/{*p2}/{p3}"),
"A catch-all parameter can only appear as the last segment of the route template.");
}
public void InvalidTemplate_InvalidParameterNameWithOpenBracketThrows()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("{a}/{a{aa}/{z}"),
"In a route parameter, '{' and '}' must be escaped with '{{' and '}}'.");
}
public void InvalidTemplate_SameParameterTwiceAndOneCatchAllThrows()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("{aaa}/{*AAA}"),
"The route parameter name 'AAA' appears more than one time in the route template.");
}
public void InvalidTemplate_CannotHaveMoreThanOneCatchAll()
{
ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("{*p1}/{*p2}"),
"A catch-all parameter can only appear as the last segment of the route template.");
}
public void InvalidTemplate_WithRepeatedParameter()
{
var ex = ExceptionAssert.Throws <RoutePatternException>(
() => RoutePatternParser.Parse("{Controller}.mvc/{id}/{controller}"),
"The route parameter name 'controller' appears more than one time in the route template.");
}
