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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /webmcp/declarative/duplicate-tool-name.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<meta charset="utf-8">
<title>WebMCP: Duplicate declarative tool registrations do not crash and only register the first</title>
<link rel="author" href="mailto:dom@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
promise_test(async t => {
const f1 = document.createElement('form');
f1.id = 'f1';
f1.setAttribute('toolname', 'duplicate_tool');
f1.setAttribute('tooldescription', 'First tool description');
const f2 = document.createElement('form');
f2.id = 'f2';
f2.setAttribute('toolname', 'duplicate_tool');
f2.setAttribute('tooldescription', 'Second tool description');
t.add_cleanup(async () => {
const removalPromise = new Promise(resolve => {
document.modelContext.ontoolchange = resolve;
});
f1.remove();
f2.remove();
await removalPromise;
const remainingTools = await document.modelContext.getTools();
assert_equals(remainingTools.length, 0, "No tools should remain after form removal");
document.modelContext.ontoolchange = null;
});
const p = new Promise(resolve => {
document.modelContext.ontoolchange = () => {
document.modelContext.ontoolchange = t.unreached_func("ontoolchange should not be called a second time for the duplicate form");
resolve();
};
});
document.body.append(f1);
document.body.append(f2);
await p;
const tools = await document.modelContext.getTools();
assert_equals(tools.length, 1, "Exactly one tool should be registered");
const tool = tools[0];
assert_equals(tool.name, "duplicate_tool", "Tool name matches form attribute");
assert_equals(tool.description, "First tool description", "Tool description matches the first form");
}, "Test that duplicate declarative tools with different descriptions do not crash and only the first is registered");
promise_test(async t => {
const f1 = document.createElement('form');
f1.id = 'f1';
f1.setAttribute('toolname', 'duplicate_same_desc');
f1.setAttribute('tooldescription', 'Same tool description');
const f2 = document.createElement('form');
f2.id = 'f2';
f2.setAttribute('toolname', 'duplicate_same_desc');
f2.setAttribute('tooldescription', 'Same tool description');
t.add_cleanup(async () => {
const removalPromise = new Promise(resolve => {
document.modelContext.ontoolchange = resolve;
});
f1.remove();
f2.remove();
await removalPromise;
const remainingTools = await document.modelContext.getTools();
assert_equals(remainingTools.length, 0, "No tools should remain after form removal");
document.modelContext.ontoolchange = null;
});
const p = new Promise(resolve => {
document.modelContext.ontoolchange = () => {
document.modelContext.ontoolchange = t.unreached_func("ontoolchange should not be called a second time for duplicate form with identical description");
resolve();
};
});
document.body.append(f1);
document.body.append(f2);
await p;
const tools = await document.modelContext.getTools();
assert_equals(tools.length, 1, "Exactly one tool should be registered");
const tool = tools[0];
assert_equals(tool.name, "duplicate_same_desc", "Tool name matches form attribute");
assert_equals(tool.description, "Same tool description");
}, "Test that duplicate declarative tools with identical descriptions do not crash and only the first is registered");
</script>
</body>