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Add browser_evaluate (error) test for JavaScript error handling

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Co-authored-by: pavelfeldman <883973+pavelfeldman@users.noreply.github.com>
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copilot-swe-agent[bot] 2025-07-18 18:49:06 +00:00
parent 723ad2a9a6
commit 2acdc66c27
1 changed files with 22 additions and 0 deletions
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22
tests/evaluate.spec.ts
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@ -49,3 +49,25 @@ test('browser_evaluate (element)', async ({ client, server }) => {
},
})).toContainTextContent(`- Result: "red"`);
});
test('browser_evaluate (error)', async ({ client, server }) => {
expect(await client.callTool({
name: 'browser_navigate',
arguments: { url: server.HELLO_WORLD },
})).toContainTextContent(`- Page Title: Title`);
// Test with a bogus expression that will cause a JavaScript error
const result = await client.callTool({
name: 'browser_evaluate',
arguments: {
function: '() => { undefinedVariable.nonExistentMethod(); }',
},
});
// Check that error MCP response is returned
expect(result.isError).toBe(true);
// Check that JavaScript error details are contained in the response
expect(result.content?.[0].text).toContain('page._evaluateFunction');
expect(result.content?.[0].text).toContain('undefinedVariable is not defined');
});