public void ShouldBuildImportNode()
{
#region Arrange Import Declaration Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "import"),
new Token(TokenType.String, 0, 1, "\"other.message\""),
new Token(TokenType.Control, 0, 2, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Import Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var import = new Node(NodeType.Import, "import");
var otherMessage = new Node(NodeType.StringLiteral, "other.message");
import.AddChild(otherMessage);
root.AddChild(import);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void BuilderVisitorShouldBuildEnum()
{
#region Arrange Expected NodeTree Input
var root = new RootNode();
var enumnode = new Node(NodeType.Enum, "enum");
var enumname = new Node(NodeType.Identifier, "EnumName");
var field = new Node(NodeType.EnumField, "DEFAULT");
var name = new Node(NodeType.Identifier, "DEFAULT");
var value = new Node(NodeType.FieldNumber, "0");
var field1 = new Node(NodeType.EnumField, "VALONE");
var name1 = new Node(NodeType.Identifier, "VALONE");
var value1 = new Node(NodeType.FieldNumber, "1");
field.AddChildren(name, value);
field1.AddChildren(name1, value1);
enumnode.AddChildren(enumname, field, field1);
root.AddChild(enumnode);
#endregion Arrange Expected NodeTree Input
var expected = new EnumDefinition("EnumName", null, new List<EnumField>
{
new EnumField("DEFAULT", 0, null),
new EnumField("VALONE", 1, null)
});
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Enumerations.First().Should().Be(expected);
}
public void ShouldBuildInlineComment()
{
#region Arrange Multiline Comment Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Comment, 0, 0, "\\\\"),
new Token(TokenType.String, 0, 5, "This"),
new Token(TokenType.String, 0, 6, "is"),
new Token(TokenType.String, 0, 7, "a"),
new Token(TokenType.String, 0, 8, "comment."),
new Token(TokenType.EndLine, 0, 9, Environment.NewLine)
};
#endregion Arrange Multiline Comment Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var comment = new Node(NodeType.Comment, "\\\\");
// Bit of an issue here, notice the spaces around the NewLine, we'd like to make that go away.
var text = "This is a comment.";
var commentText = new Node(NodeType.CommentText, text);
comment.AddChild(commentText);
root.AddChild(comment);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldErrorInvalidTopLevelStatementAndKeepParsing()
{
#region Arrange Invalid Token Input
var badToken = new Token(TokenType.String, 5, 5, "for");
var tokenList = new List<Token>
{
badToken,
// and the keep parsing part
new Token(TokenType.EndLine, 0, 4, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "syntax"),
new Token(TokenType.Control, 0, 1, "="),
new Token(TokenType.String, 0, 2, "\"proto3\""),
new Token(TokenType.Control, 0, 3, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Invalid Token Input
#region Arrange Expected NodeTree Output
// Verify we kept parsing.
var root = new RootNode();
var errors = new[] { new ParseError("Found an invalid top level statement at token ", badToken) };
var syntax = new Node(NodeType.Syntax, "syntax");
var proto3 = new Node(NodeType.StringLiteral, "proto3");
syntax.AddChild(proto3);
root.AddErrors(errors);
root.AddChild(syntax);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldBuildInlineStatementWithTrailingComment()
{
#region Arrange Inline Trailing Comment Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "syntax"),
new Token(TokenType.Control, 0, 1, "="),
new Token(TokenType.String, 0, 2, "\"proto3\""),
new Token(TokenType.Control, 0, 3, ";"),
new Token(TokenType.Comment, 0, 4, "\\\\"),
new Token(TokenType.String, 0, 5, "This"),
new Token(TokenType.String, 0, 6, "is"),
new Token(TokenType.String, 0, 7, "a"),
new Token(TokenType.String, 0, 8, "comment."),
new Token(TokenType.EndLine, 0, 9, Environment.NewLine)
};
#endregion Arrange Inline Trailing Comment Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var syntax = new Node(NodeType.Syntax, "syntax");
var proto3 = new Node(NodeType.StringLiteral, "proto3");
var comment = new Node(NodeType.Comment, "\\\\");
var commentText = new Node(NodeType.CommentText, "This is a comment.");
comment.AddChild(commentText);
syntax.AddChildren(proto3, comment);
root.AddChild(syntax);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root, null);
}
public RootNode Analyze()
{
var root = new RootNode();
while (_tokens.Any())
{
var topLevelStatement = ParseTopLevelStatement(root);
if (topLevelStatement != null) root.AddChild(topLevelStatement);
}
root.AddErrors(_errors);
return root;
}
public void BuilderVisitorShouldBuildImport()
{
#region Arrange Package Node Input
var root = new RootNode();
var import = new Node(NodeType.Import, "import");
var type = new Node(NodeType.ImportModifier, "public");
var otherMessage = new Node(NodeType.StringLiteral, "other.message");
import.AddChildren(type, otherMessage);
root.AddChild(import);
#endregion Arrange Package Node Input
var expected = new Import("public", "other.message");
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Imports.First().Should().Be(expected);
}
public void ShouldErrorWhenImportNotQuoted()
{
#region Arrange Import Declaration Token Input
var errorToken = new Token(TokenType.String, 0, 1, "other.message");
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "import"),
errorToken,
new Token(TokenType.Control, 0, 2, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Import Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
root.AddErrors(new[] { new ParseError("Could not find import location for import at line starting with token ", errorToken) });
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldErrorWhenSyntaxNotQuoted()
{
#region Arrange Syntax Declaration Token Input
var errorToken = new Token(TokenType.String, 0, 2, "proto3");
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "syntax"),
new Token(TokenType.Control, 0, 1, "="),
errorToken,
new Token(TokenType.Control, 0, 3, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Syntax Declaration Token Input
#region Arrange Expected NodeError Output
var root = new RootNode();
root.AddErrors(new[] { new ParseError("Expected a string literal after syntax assignment, found token ", errorToken) });
#endregion Arrange Expected NodeError Output
AssertSyntax(tokenList, root);
}
public void BuilderVisitorShouldBuildMessage()
{
#region Arrange Expected NodeTree Input
var root = new RootNode();
// Define base Message with One Field
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
#region Outer Message Field nodes
var field = new Node(NodeType.Field, "int32");
var type = new Node(NodeType.Type, "int32");
var name = new Node(NodeType.Identifier, "field_name");
var value = new Node(NodeType.FieldNumber, "2");
field.AddChildren(type, name, value);
#endregion Outer Message Field nodes
#region Nested Message nodes
var nestedMsg = new Node(NodeType.Message, "message");
var nestedName = new Node(NodeType.Identifier, "Inner");
var innerField = new Node(NodeType.Field, "fixed64");
var innerType = new Node(NodeType.Type, "fixed64");
var innerName = new Node(NodeType.Identifier, "field_name2");
var innerValue = new Node(NodeType.FieldNumber, "0");
innerField.AddChildren(innerType, innerName, innerValue);
#endregion Nested Message nodes
#region Nested Enumeration nodes
var enumnode = new Node(NodeType.Enum, "enum");
var enumname = new Node(NodeType.Identifier, "EnumName");
var enumfield0 = new Node(NodeType.EnumField, "DEFAULT");
var enumfieldname0 = new Node(NodeType.Identifier, "DEFAULT");
var enumfieldvalue0 = new Node(NodeType.FieldNumber, "0");
var enumfield1 = new Node(NodeType.EnumField, "VALONE");
var enumfieldname1 = new Node(NodeType.Identifier, "VALONE");
var enumfieldvalue1 = new Node(NodeType.FieldNumber, "1");
enumnode.AddChildren(enumname, enumfield0, enumfield1);
enumfield0.AddChildren(enumfieldname0, enumfieldvalue0);
enumfield1.AddChildren(enumfieldname1, enumfieldvalue1);
#endregion Nested Enumeration nodes
nestedMsg.AddChildren(nestedName, innerField);
message.AddChildren(msgName, field, enumnode, nestedMsg);
root.AddChild(message);
#endregion Arrange Expected NodeTree Input
#region Arrange Expected Output
var expFields = new List<Field>
{
new Field("int32", "field_name", 2, null, false)
};
var inFields = new List<Field>
{
new Field("fixed64", "field_name2", 0, null, false)
};
var enumDefs = new List<EnumDefinition>
{
new EnumDefinition("EnumName", null, new List<EnumField>
{
new EnumField("DEFAULT", 0, null),
new EnumField("VALONE", 1, null)
})
};
var msgDefs = new List<MessageDefinition>
{
new MessageDefinition("Inner", inFields, null, null, null, null, null)
};
var expected = new MessageDefinition("Outer", expFields, null, null, null, enumDefs, msgDefs);
#endregion Arrange Expected Output
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Messages.First().Should().Be(expected);
}
public void ShouldBuildOneOfFieldNode()
{
#region Arrange OneOf Field Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 0, "Outer"),
new Token(TokenType.Control, 0, 0, "{"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "oneof"),
new Token(TokenType.String, 0, 0, "test_oneof"),
new Token(TokenType.Control, 0, 0, "{"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.String, 0, 0, "string"),
new Token(TokenType.String, 0, 0, "name"),
new Token(TokenType.Control, 0, 0, "="),
new Token(TokenType.Numeric, 0, 0, "4"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.String, 0, 0, "SubMessage"),
new Token(TokenType.String, 0, 0, "sub_message"),
new Token(TokenType.Control, 0, 0, "="),
new Token(TokenType.Numeric, 0, 0, "9"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Control, 0, 0, "}"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Control, 0, 0, "}")
};
#endregion Arrange OneOf Field Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
var field = new Node(NodeType.OneOfField, "oneof");
var oneofName = new Node(NodeType.Identifier, "test_oneof");
var stringField = new Node(NodeType.Field, "string");
var stringType = new Node(NodeType.Type, "string");
var stringName = new Node(NodeType.Identifier, "name");
var stringValue = new Node(NodeType.FieldNumber, "4");
stringField.AddChildren(stringType, stringName, stringValue);
var customField = new Node(NodeType.Field, "SubMessage");
var customType = new Node(NodeType.UserType, "SubMessage");
var customName = new Node(NodeType.Identifier, "sub_message");
var customValue = new Node(NodeType.FieldNumber, "9");
customField.AddChildren(customType, customName, customValue);
field.AddChildren(oneofName, stringField, customField);
message.AddChildren(msgName, field);
root.AddChild(message);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void BuilderVisitorShouldBuildSyntax()
{
#region Arrange Syntax Node Input
var root = new RootNode();
var syntax = new Node(NodeType.Syntax, "syntax");
var proto3 = new Node(NodeType.StringLiteral, "proto3");
syntax.AddChild(proto3);
root.AddChild(syntax);
#endregion Arrange Syntax Node Input
var expected = new Syntax("proto3");
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Syntax.Should().Be(expected);
}
public void ShouldBuildReservedFieldNode()
{
#region Arrange Map Field Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 0, "Outer"),
new Token(TokenType.Control, 0, 0, "{"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "reserved"),
new Token(TokenType.Numeric, 0, 0, "2"),
new Token(TokenType.Control, 0, 0, ","),
new Token(TokenType.Numeric, 0, 0, "15"),
new Token(TokenType.Control, 0, 0, ","),
new Token(TokenType.Numeric, 0, 0, "9"),
new Token(TokenType.String, 0, 0, "to"),
new Token(TokenType.Numeric, 0, 0, "11"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "reserved"),
new Token(TokenType.String, 0, 0, "\"foo\""),
new Token(TokenType.Control, 0, 0, ","),
new Token(TokenType.String, 0, 0, "\"bar\""),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Control, 0, 0, "}")
};
#endregion Arrange Map Field Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
var numReserve = new Node(NodeType.Reserved, "reserved");
var reservedNums = new List<Node>
{
new Node(NodeType.IntegerLiteral, "2"),
new Node(NodeType.IntegerLiteral, "15"),
new Node(NodeType.IntegerLiteral, "9"),
new Node(NodeType.IntegerLiteral, "10"),
new Node(NodeType.IntegerLiteral, "11")
};
numReserve.AddChildren(reservedNums.ToArray());
var nameReserve = new Node(NodeType.Reserved, "reserved");
var reservedNames = new List<Node>
{
new Node(NodeType.StringLiteral, "foo"),
new Node(NodeType.StringLiteral, "bar")
};
nameReserve.AddChildren(reservedNames.ToArray());
message.AddChildren(msgName, numReserve, nameReserve);
root.AddChild(message);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldErrorWhenStatementNotTerminatedWithSemicolon()
{
#region Arrange Syntax Declaration Token Input
var errorToken = new Token(TokenType.Control, 0, 3, ":"); // Colon, not semicolon!
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "syntax"),
new Token(TokenType.Control, 0, 1, "="),
new Token(TokenType.String, 0, 2, "\"proto3\""),
errorToken,
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Syntax Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
root.AddErrors(new[] { new ParseError("Expected terminating `;` after top level statement, found token ", errorToken) });
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
private void AssertSyntax(IEnumerable<Token> tokenList, RootNode root)
{
// Act
_sys = new RootSyntaxAnalyzer(new Queue<Token>(tokenList));
var result = _sys.Analyze();
// Assert Result
result.Should().Be(root, BecauseObjectGraphsEqual);
// Assert Any Expected Errors
result.Errors.ShouldAllBeEquivalentTo(root.Errors);
}
private void AssertSyntax(IEnumerable<Token> tokenList, RootNode root, IList<ParseError> errors)
{
// Act
_sys = new SyntaxAnalyzer(new Queue<Token>(tokenList));
var result = _sys.Analyze();
// Assert Result
result.Should().Be(root, BecauseObjectGraphsEqual);
// Assert Any Expected Errors
if (ReferenceEquals(null, errors)) errors = new List<ParseError>(); // We don't have null collections.
result.Errors.ShouldAllBeEquivalentTo(errors);
}
public void ShouldBuildPackageNode()
{
#region Arrange Package Declaration Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "package"),
new Token(TokenType.String, 0, 1, "foo.bar.baz"),
new Token(TokenType.Control, 0, 2, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Package Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var package = new Node(NodeType.Package, "package");
var packageName = new Node(NodeType.Identifier, "foo.bar.baz");
package.AddChild(packageName);
root.AddChild(package);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldParseEnumDefinition()
{
#region Arrange Enum Definition Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "enum"),
new Token(TokenType.String, 0, 1, "EnumName"),
new Token(TokenType.Control, 0, 2, "{"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.String, 0, 6, "DEFAULT"),
new Token(TokenType.Control, 0, 7, "="),
new Token(TokenType.Numeric, 0, 8, "0"),
new Token(TokenType.Control, 0, 9, ";"),
new Token(TokenType.EndLine, 0, 11, Environment.NewLine),
new Token(TokenType.String, 0, 6, "VALONE"),
new Token(TokenType.Control, 0, 9, "="),
new Token(TokenType.Numeric, 0, 10, "1"),
new Token(TokenType.Control, 0, 9, ";"),
new Token(TokenType.EndLine, 0, 11, Environment.NewLine),
new Token(TokenType.Control, 0, 12, "}")
};
#endregion Arrange Enum Definition Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var enumnode = new Node(NodeType.Enum, "enum");
var enumname = new Node(NodeType.Identifier, "EnumName");
var field = new Node(NodeType.EnumField, "DEFAULT");
var name = new Node(NodeType.Identifier, "DEFAULT");
var value = new Node(NodeType.FieldNumber, "0");
var field1 = new Node(NodeType.EnumField, "VALONE");
var name1 = new Node(NodeType.Identifier, "VALONE");
var value1 = new Node(NodeType.FieldNumber, "1");
field.AddChildren(name, value);
field1.AddChildren(name1, value1);
enumnode.AddChildren(enumname, field, field1);
root.AddChild(enumnode);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldBurnEmptyNewlines()
{
#region Arrange Package Declaration Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "package"),
new Token(TokenType.String, 0, 1, "foo.bar.baz"),
new Token(TokenType.Control, 0, 2, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "option"),
new Token(TokenType.String, 0, 1, "java_package"),
new Token(TokenType.Control, 0, 2, "="),
new Token(TokenType.String, 0, 3, "\"com.example.foo\""),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Package Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var package = new Node(NodeType.Package, "package");
var packageName = new Node(NodeType.Identifier, "foo.bar.baz");
package.AddChild(packageName);
root.AddChild(package);
var option = new Node(NodeType.Option, "option");
var optionName = new Node(NodeType.Identifier, "java_package");
var optionValue = new Node(NodeType.StringLiteral, "com.example.foo");
option.AddChildren(optionName, optionValue);
root.AddChild(option);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldBuildSyntaxNodes()
{
#region Arrange Syntax Declaration Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "syntax"),
new Token(TokenType.Control, 0, 1, "="),
new Token(TokenType.String, 0, 2, "\"proto3\""),
new Token(TokenType.Control, 0, 3, ";"),
new Token(TokenType.EndLine, 0, 4, Environment.NewLine)
};
#endregion Arrange Syntax Declaration Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var syntax = new Node(NodeType.Syntax, "syntax");
var proto3 = new Node(NodeType.StringLiteral, "proto3");
syntax.AddChild(proto3);
root.AddChild(syntax);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldBuildMapFieldNode()
{
#region Arrange Map Field Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 0, "Outer"),
new Token(TokenType.Control, 0, 0, "{"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "map"),
new Token(TokenType.Control, 0, 0, "<"),
new Token(TokenType.String, 0, 0, "string"),
new Token(TokenType.Control, 0, 0, ","),
new Token(TokenType.String, 0, 0, "Project"),
new Token(TokenType.Control, 0, 0, ">"),
new Token(TokenType.String, 0, 0, "projects"),
new Token(TokenType.Control, 0, 0, "="),
new Token(TokenType.Numeric, 0, 0, "3"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 0, Environment.NewLine),
new Token(TokenType.Control, 0, 0, "}")
};
#endregion Arrange Map Field Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
var field = new Node(NodeType.Map, "map");
var key = new Node(NodeType.MapKey, "string");
var value = new Node(NodeType.MapValue, "Project");
var mapName = new Node(NodeType.Identifier, "projects");
var mapValue = new Node(NodeType.FieldNumber, "3");
field.AddChildren(mapName, key, value, mapValue);
message.AddChildren(msgName, field);
root.AddChild(message);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void BuilderVisitorShouldBuildOption()
{
#region Arrange Package Node Input
var root = new RootNode();
var option = new Node(NodeType.Option, "option");
var optionName = new Node(NodeType.Identifier, "java_package");
var optionValue = new Node(NodeType.StringLiteral, "com.example.foo");
option.AddChildren(optionName, optionValue);
root.AddChild(option);
#endregion Arrange Package Node Input
var expected = new Option("java_package", "com.example.foo");
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Options.First().Should().Be(expected);
}
public void BuilderVisitorShouldBuildPackage()
{
#region Arrange Package Node Input
var root = new RootNode();
var package = new Node(NodeType.Package, "package");
var packageName = new Node(NodeType.Identifier, "foo.bar.baz");
package.AddChild(packageName);
root.AddChild(package);
#endregion Arrange Package Node Input
var expected = new Package("foo.bar.baz");
var sut = new BuilderVisitor();
root.Accept(sut);
sut.FileDescriptor.Package.Should().Be(expected);
}
public void ShouldParseMessageDefinition()
{
#region Arrange Message Definition Token Input
var tokenList = new List<Token>
{
// Outer Message Start
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 1, "Outer"),
new Token(TokenType.Control, 0, 2, "{"),
#region Message Fields
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.String, 0, 0, "int32"),
new Token(TokenType.String, 0, 1, "field_name"),
new Token(TokenType.Control, 0, 2, "="),
new Token(TokenType.Numeric, 0, 3, "2"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
#endregion Message Fields
#region Nested Enumeration Definition
new Token(TokenType.Id, 0, 0, "enum"),
new Token(TokenType.String, 0, 1, "EnumName"),
new Token(TokenType.Control, 0, 2, "{"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.String, 0, 6, "DEFAULT"),
new Token(TokenType.Control, 0, 7, "="),
new Token(TokenType.Numeric, 0, 8, "0"),
new Token(TokenType.Control, 0, 9, ";"),
new Token(TokenType.EndLine, 0, 11, Environment.NewLine),
new Token(TokenType.String, 0, 6, "VALONE"),
new Token(TokenType.Control, 0, 9, "="),
new Token(TokenType.Numeric, 0, 10, "1"),
new Token(TokenType.Control, 0, 9, ";"),
new Token(TokenType.EndLine, 0, 11, Environment.NewLine),
new Token(TokenType.Control, 0, 12, "}"),
#endregion Nested Enumeration Definition
#region Nested Message Definition
new Token(TokenType.EndLine, 0, 11, Environment.NewLine),
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 1, "Inner"),
new Token(TokenType.Control, 0, 2, "{"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.String, 0, 0, "fixed64"),
new Token(TokenType.String, 0, 1, "field_name2"),
new Token(TokenType.Control, 0, 2, "="),
new Token(TokenType.Numeric, 0, 3, "0"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.Control, 0, 4, "}"),
#endregion Nested Message Definition
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.Control, 0, 4, "}")
};
#endregion Arrange Message Definition Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
// Define base Message with One Field
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
#region Outer Message Field nodes
var field = new Node(NodeType.Field, "int32");
var type = new Node(NodeType.Type, "int32");
var name = new Node(NodeType.Identifier, "field_name");
var value = new Node(NodeType.FieldNumber, "2");
field.AddChildren(type, name, value);
#endregion Outer Message Field nodes
#region Nested Message nodes
var nestedMsg = new Node(NodeType.Message, "message");
var nestedName = new Node(NodeType.Identifier, "Inner");
var innerField = new Node(NodeType.Field, "fixed64");
var innerType = new Node(NodeType.Type, "fixed64");
var innerName = new Node(NodeType.Identifier, "field_name2");
var innerValue = new Node(NodeType.FieldNumber, "0");
innerField.AddChildren(innerType, innerName, innerValue);
#endregion Nested Message nodes
#region Nested Enumeration nodes
var enumnode = new Node(NodeType.Enum, "enum");
var enumname = new Node(NodeType.Identifier, "EnumName");
var enumfield0 = new Node(NodeType.EnumField, "DEFAULT");
var enumfieldname0 = new Node(NodeType.Identifier, "DEFAULT");
var enumfieldvalue0 = new Node(NodeType.FieldNumber, "0");
var enumfield1 = new Node(NodeType.EnumField, "VALONE");
var enumfieldname1 = new Node(NodeType.Identifier, "VALONE");
var enumfieldvalue1 = new Node(NodeType.FieldNumber, "1");
enumnode.AddChildren(enumname, enumfield0, enumfield1);
enumfield0.AddChildren(enumfieldname0, enumfieldvalue0);
enumfield1.AddChildren(enumfieldname1, enumfieldvalue1);
#endregion Nested Enumeration nodes
nestedMsg.AddChildren(nestedName, innerField);
message.AddChildren(msgName, field, enumnode, nestedMsg);
root.AddChild(message);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}
public void ShouldBuildRepeatedFieldNode()
{
#region Arrange Repeated Field Token Input
var tokenList = new List<Token>
{
new Token(TokenType.Id, 0, 0, "message"),
new Token(TokenType.String, 0, 1, "Outer"),
new Token(TokenType.Control, 0, 2, "{"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.String, 0, 0 ,"repeated"),
new Token(TokenType.String, 0, 0, "int32"),
new Token(TokenType.String, 0, 1, "field_name"),
new Token(TokenType.Control, 0, 2, "="),
new Token(TokenType.Numeric, 0, 3, "2"),
new Token(TokenType.Control, 0, 4, ";"),
new Token(TokenType.EndLine, 0, 5, Environment.NewLine),
new Token(TokenType.Control, 0, 4, "}")
};
#endregion Arrange Repeated Field Token Input
#region Arrange Expected NodeTree Output
var root = new RootNode();
var message = new Node(NodeType.Message, "message");
var msgName = new Node(NodeType.Identifier, "Outer");
var field = new Node(NodeType.Field, "repeated");
var repeated = new Node(NodeType.Repeated, "repeated");
var type = new Node(NodeType.Type, "int32");
var name = new Node(NodeType.Identifier, "field_name");
var value = new Node(NodeType.FieldNumber, "2");
field.AddChildren(repeated, type, name, value);
message.AddChildren(msgName, field);
root.AddChild(message);
#endregion Arrange Expected NodeTree Output
AssertSyntax(tokenList, root);
}