public void Test_queries_rule_can_parse_multiple(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.queries();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<query> <TERMINATOR> <query> <TERMINATOR> <query> <EOF>",
CmsqlParser.RULE_queries);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_query_rule_can_parse_query_with_where_clause(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.query();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<selectClause> <fromClause> <whereClause>",
CmsqlParser.RULE_query);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_conditon_rule_can_parse_not_equals_condition(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.condition();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<IDENTIFIER> <NOTEQUALS> <LITERAL>",
CmsqlParser.RULE_condition);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_expression_rule_can_parse_condition(string query)
{
CmsqlParser parser = CreateParserForQuery(query);
IParseTree tree = parser.expression();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<expression>",
CmsqlParser.RULE_expression);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public void Test_selectClause_rule_can_parse_valid_identifier(string identifier)
{
CmsqlParser parser = CreateParserForQuery($"select {identifier}");
IParseTree tree = parser.selectClause();
ParseTreePattern pattern = parser.CompileParseTreePattern(
"<SELECT> <IDENTIFIER>",
CmsqlParser.RULE_selectClause);
ParseTreeMatch match = pattern.Match(tree);
match.Succeeded.Should().BeTrue();
}
public static void Debug(ParseTreePattern parseTree, Parser parser, [CallerMemberName] string memberName = "")
{
DefaultErrorListener.Logger.Debug($"[{DateTime.Now.ToString("G")}] @{memberName} {parseTree.PatternTree.ToStringTree()}");
}
