Function runSingleTest

backend/plugin/parser/base/split_test_runner.go:196–236

(t *testing.T, tc SplitTestCase, opts SplitTestOptions)

}

func runSingleTest(t *testing.T, tc SplitTestCase, opts SplitTestOptions) {
	t.Helper()

	var lexerResult, parserResult []Statement
	var lexerErr, parserErr error

	// Run lexer implementation if provided
	if opts.LexerSplitFunc != nil {
		lexerResult, lexerErr = opts.LexerSplitFunc(tc.Input)
	}

	// Run parser implementation if provided
	if opts.ParserSplitFunc != nil {
		parserResult, parserErr = opts.ParserSplitFunc(tc.Input)
	}

	// MANDATORY: If both implementations succeed, results must be identical
	if opts.LexerSplitFunc != nil && opts.ParserSplitFunc != nil {
		if lexerErr == nil && parserErr == nil {
			require.Equal(t, len(lexerResult), len(parserResult),
				"lexer and parser produced different number of statements")
			for i := range lexerResult {
				require.Equal(t, lexerResult[i], parserResult[i],
					"lexer and parser produced different result for statement %d", i)
			}
		}
	}

	// Run the main split function
	result, err := opts.SplitFunc(tc.Input)

	// Check error expectation
	if tc.Error != "" {
		require.Error(t, err)
		require.Contains(t, err.Error(), tc.Error)
		return
	}

	require.NoError(t, err)
	assertStatementsEqual(t, tc.Result, result)
}