public void ParseRouteParameter_ThrowsIf_ParameterContainsSpecialCharacters(string template, string expectedMessage)
{
// Act & Assert
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate(template));
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_WithMismatchedBraces(string template, string expectedMessage)
{
var ex = Assert.Throws <InvalidOperationException>(
() => LegacyTemplateParser.ParseTemplate(template));
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_BadOptionalCharacterPosition()
{
var ex = Assert.Throws <ArgumentException>(() => LegacyTemplateParser.ParseTemplate("/test/{a?bc}/{b}"));
var expectedMessage = "Malformed parameter 'a?bc' in route '/test/{a?bc}/{b}'. '?' character can only appear at the end of parameter name.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_CatchAllParamNotLast()
{
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate("/test/{*a}/{b}"));
var expectedMessage = "Invalid template 'test/{*a}/{b}'. A catch-all parameter can only appear as the last segment of the route template.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_CatchAllParamWithMultipleAsterisks()
{
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate("/test/{a}/{**b}"));
var expectedMessage = "Invalid template '/test/{a}/{**b}'. A catch-all parameter may only have one '*' at the beginning of the segment.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_NonOptionalParamAfterOptionalParam()
{
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate("/test/{a?}/{b}"));
var expectedMessage = "Invalid template 'test/{a?}/{b}'. Non-optional parameters or literal routes cannot appear after optional parameters.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_ConsecutiveSeparatorsSlashSlashThrows()
{
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate("{a}//{z}"));
var expectedMessage = "Invalid template '{a}//{z}'. Empty segments are not allowed.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_InvalidParameterNameWithEmptyNameThrows()
{
var ex = Assert.Throws <InvalidOperationException>(() => LegacyTemplateParser.ParseTemplate("{a}/{}/{z}"));
var expectedMessage = "Invalid template '{a}/{}/{z}'. Empty parameter name in segment '{}' is not allowed.";
Assert.Equal(expectedMessage, ex.Message);
}
public void InvalidTemplate_WithRepeatedParameter()
{
var ex = Assert.Throws <InvalidOperationException>(
() => LegacyTemplateParser.ParseTemplate("{p1}/literal/{p1}"));
var expectedMessage = "Invalid template '{p1}/literal/{p1}'. The parameter 'Microsoft.AspNetCore.Components.LegacyRouteMatching.LegacyTemplateSegment' appears multiple times.";
Assert.Equal(expectedMessage, ex.Message);
}
public void Parse_MixedLiteralAndCatchAllParameter()
{
// Arrange
var expected = new ExpectedTemplateBuilder().Literal("awesome").Literal("wow").Parameter("p");
// Act
var actual = LegacyTemplateParser.ParseTemplate("awesome/wow/{*p}");
// Assert
Assert.Equal(expected, actual, LegacyRouteTemplateTestComparer.Instance);
}
public void Parse_SingleCatchAllParameter()
{
// Arrange
var expected = new ExpectedTemplateBuilder().Parameter("p");
// Act
var actual = LegacyTemplateParser.ParseTemplate("{*p}");
// Assert
Assert.Equal(expected, actual, LegacyRouteTemplateTestComparer.Instance);
}
public void Parse_SingleLiteral()
{
// Arrange
var expected = new ExpectedTemplateBuilder().Literal("awesome");
// Act
var actual = LegacyTemplateParser.ParseTemplate("awesome");
// Assert
Assert.Equal(expected, actual, LegacyRouteTemplateTestComparer.Instance);
}
public void Parse_MultipleOptionalParameters()
{
// Arrange
var template = "{p1?}/{p2?}/{p3?}";
var expected = new ExpectedTemplateBuilder().Parameter("p1?").Parameter("p2?").Parameter("p3?");
// Act
var actual = LegacyTemplateParser.ParseTemplate(template);
// Assert
Assert.Equal(expected, actual, LegacyRouteTemplateTestComparer.Instance);
}
public void Parse_MultipleLiterals()
{
// Arrange
var template = "awesome/cool/super";
var expected = new ExpectedTemplateBuilder().Literal("awesome").Literal("cool").Literal("super");
// Act
var actual = LegacyTemplateParser.ParseTemplate(template);
// Assert
Assert.Equal(expected, actual, LegacyRouteTemplateTestComparer.Instance);
}
internal static LegacyRouteTable Create(Dictionary <Type, string[]> templatesByHandler)
{
var routes = new List <LegacyRouteEntry>();
foreach (var keyValuePair in templatesByHandler)
{
var parsedTemplates = keyValuePair.Value.Select(v => LegacyTemplateParser.ParseTemplate(v)).ToArray();
var allRouteParameterNames = parsedTemplates
.SelectMany(GetParameterNames)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToArray();
foreach (var parsedTemplate in parsedTemplates)
{
var unusedRouteParameterNames = allRouteParameterNames
.Except(GetParameterNames(parsedTemplate), StringComparer.OrdinalIgnoreCase)
.ToArray();
var entry = new LegacyRouteEntry(parsedTemplate, keyValuePair.Key, unusedRouteParameterNames);
routes.Add(entry);
}
}
return(new LegacyRouteTable(routes.OrderBy(id => id, RoutePrecedence).ToArray()));
}