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[accname] Require specification of subtest count #42769

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[accname] Require specification of subtest count #42769

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2 changes: 1 addition & 1 deletion accname/name/comp_embedded_control.html
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Expand Up @@ -128,7 +128,7 @@


<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(26, ".ex");
</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_hidden_not_referenced.html
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Expand Up @@ -86,7 +86,7 @@
<!-- that are both not rendered and excluded from the a11y tree. -->

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(5, ".ex");
</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_host_language_label.html
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Expand Up @@ -167,7 +167,7 @@ <h2>SVG title</h2>
<!-- todo: does HTML input[placeholder="foo"] count as a host language labeling mechanism? -->

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(46, ".ex");
</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_label.html
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Expand Up @@ -18,7 +18,7 @@
<!-- Todo: test all remaining cases of https://w3c.github.io/accname/#comp_label -->

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(1, ".ex");
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See below... Keep comp_label.html as-is (but with a warning) to make way for #41463

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@jugglinmike #41463 was also merged since the the time this was filed.

</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_labelledby.html
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Expand Up @@ -31,7 +31,7 @@ <h2 id="h">div group label</h2>
-->

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(1, ".ex");
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See below... Keep comp_labelledby.html as-is (but with a warning) to make way for #42522

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#42522 was since merged so it's no longer necessary to leave this change out of the PR, but it should get the mentioned argument order change, and will need an update to the expectedCount integer.

</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_name_from_content.html
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Expand Up @@ -249,7 +249,7 @@ <h3 data-expectedlabel="one two three" data-testname="heading name from content
<br>

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(53, ".ex");
</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_text_node.html
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Expand Up @@ -32,7 +32,7 @@ <h2 class="ex" data-expectedlabel="heading label" data-testname="heading with te
<!-- Todo: test all remaining cases of https://w3c.github.io/accname/#comp_text_node -->

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(1, ".ex");
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See below... Keep comp_text_node.html as-is (but with a warning) to make way for #42407

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#42407 was since merged so it's no longer necessary to leave this change out of the PR, but it should get the mentioned argument order change, and will need an update to the expectedCount integer.

</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/comp_tooltip.html
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Expand Up @@ -46,7 +46,7 @@
<iframe title="label" data-expectedlabel="label" data-testname="iframe with tooltip label" width="20px" height="20px" class="ex"></iframe>

<script>
AriaUtils.verifyLabelsBySelector(".ex");
AriaUtils.verifyLabelsBySelector(19, ".ex");
</script>
</body>
</html>
2 changes: 1 addition & 1 deletion accname/name/shadowdom/basic.html
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Expand Up @@ -32,6 +32,6 @@
document.getElementById('host1').attachShadow({ mode: 'open' }).innerHTML = 'foo';
document.getElementById('host2').attachShadow({ mode: 'open' }).innerHTML = '<div aria-label="bar"></div>';

AriaUtils.verifyLabelsBySelector('.labelled');
AriaUtils.verifyLabelsBySelector(2, '.labelled');

</script>
2 changes: 1 addition & 1 deletion accname/name/shadowdom/slot.html
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Expand Up @@ -55,6 +55,6 @@
document.getElementById('host3').attachShadow({ mode: 'open' }).innerHTML = 'foo <slot aria-label="label"></slot> bar';
document.getElementById('host4').attachShadow({ mode: 'open' }).innerHTML = 'foo <slot aria-label="label">default</slot> bar';

AriaUtils.verifyLabelsBySelector('.labelled');
AriaUtils.verifyLabelsBySelector(4, '.labelled');

</script>
8 changes: 4 additions & 4 deletions wai-aria/scripts/aria-utils.js
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Expand Up @@ -124,13 +124,13 @@ const AriaUtils = {
data-expectedlabel="foo"
class="ex">

AriaUtils.verifyLabelsBySelector(".ex")
AriaUtils.verifyLabelsBySelector(1, ".ex")

*/
verifyLabelsBySelector: function(selector) {
verifyLabelsBySelector: function(expectedCount, selector) {
const els = document.querySelectorAll(selector);
if (!els.length) {
throw `Selector passed in verifyLabelsBySelector("${selector}") should match at least one element.`;
if (els.length !== expectedCount) {
throw `verifyLabelsBySelector expected ${expectedCount} elements but received ${els.length}`;
Comment on lines +130 to +133
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@cookiecrook cookiecrook Nov 2, 2023 •
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Thanks for filing this! I agree it's a good move to be more explicit about the expectations.

However, this is going to break a few outstanding PRs that expect selector to be first... I also would prefer selector remain the first argument (as the method name implies) and throw a warning if a count is not provided. And the error only if it is provided but doesn't match.

comp_label.html, comp_labelledby.html, and comp_text_node.html could then be left out of this PR to avoid conflicts/breakage with the outstanding PRs. They would throw a warning but not an error, and if this lands first, we could then update the other files in those PRs (or later ones) to use the optional-but-recommended expectedCount.

}
for (const el of els) {
let label = el.getAttribute("data-expectedlabel");
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