marcel/mermaid
1
0
Fork 0
mirror of https://github.com/mermaid-js/mermaid.git synced 2025-09-25 02:09:50 +02:00
Code Issues Packages Projects Releases Wiki Activity

fix(parser): improve error messages for missing 'usecase' in ANTLR parser

Browse Source 
on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
This commit is contained in:
omkarht
2025-09-17 12:32:55 +05:30
parent 1adc145b18
commit dc9bfa712d
2 changed files with 3 additions and 139 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
packages/parser/tests/usecase.test.ts
View File

@@ -1489,18 +1489,14 @@ describe('Error Handling', () => {
const emptyInput = '';
expect(() => parseUsecaseWithAntlr(emptyInput)).toThrow(UsecaseParseError);
expect(() => parseUsecaseWithAntlr(emptyInput)).toThrow(
/mismatched input '<EOF>' expecting {'usecase', NEWLINE}/
);
expect(() => parseUsecaseWithAntlr(emptyInput)).toThrow(/missing 'usecase'/);
});
it('should throw UsecaseParseError for only whitespace input', () => {
const whitespaceInput = ' \n \t \n ';
expect(() => parseUsecaseWithAntlr(whitespaceInput)).toThrow(UsecaseParseError);
expect(() => parseUsecaseWithAntlr(whitespaceInput)).toThrow(
/extraneous input '<EOF>' expecting {'usecase', NEWLINE}/
);
expect(() => parseUsecaseWithAntlr(whitespaceInput)).toThrow(/missing 'usecase'/);
});
it('should throw UsecaseParseError for missing usecase keyword', () => {
@@ -1510,9 +1506,7 @@ describe('Error Handling', () => {
`;
expect(() => parseUsecaseWithAntlr(missingKeyword)).toThrow(UsecaseParseError);
expect(() => parseUsecaseWithAntlr(missingKeyword)).toThrow(
/extraneous input 'actor' expecting {'usecase', NEWLINE}/
);
expect(() => parseUsecaseWithAntlr(missingKeyword)).toThrow(/missing 'usecase'/);
});
});