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fix: add test case to endsure whitespace-only relationship labels are handled

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on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>
This commit is contained in:
darshanr0107
2025-09-02 11:40:35 +05:30
parent f981d3d5b7
commit 94dfdf31b8
1 changed files with 14 additions and 0 deletions
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14
packages/mermaid/src/diagrams/er/parser/erDiagram.spec.js
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@@ -995,6 +995,20 @@ describe('when parsing ER diagram it...', function () {
expect(rels[0].relSpec.cardB).toBe(erDb.Cardinality.MD_PARENT);
expect(rels[0].relSpec.cardA).toBe(erDb.Cardinality.ZERO_OR_MORE);
});
it('should handle whitespace-only relationship labels', function () {
erDiagram.parser.parse('erDiagram\nBOOK }|..|{ AUTHOR : " "');
let rels = erDb.getRelationships();
expect(rels[rels.length - 1].roleA).toBe(' ');
erDiagram.parser.parse('erDiagram\nBOOK }|..|{ GENRE : "\t"');
rels = erDb.getRelationships();
expect(rels[rels.length - 1].roleA).toBe('\t');
erDiagram.parser.parse('erDiagram\nAUTHOR }|..|{ GENRE : " "');
rels = erDb.getRelationships();
expect(rels[rels.length - 1].roleA).toBe(' ');
});
});
describe('prototype properties', function () {