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feat(frame-focusable-content): new rule to test iframes with tabindex…
…=-1 do not have focusable content (dequelabs#2785) * feat(frame-focusable-content): new rule to test iframes with tabindex=-1 do not have focusable content * add inapplicable * fix tests * after results * test * hmmm * fix * remove after * fix test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| { | ||
| "id": "frame-focusable-content", | ||
| "evaluate": "no-focusable-content-evaluate", | ||
| "metadata": { | ||
| "impact": "serious", | ||
| "messages": { | ||
| "pass": "Element does not have focusable descendants", | ||
| "fail": "Element has focusable descendants", | ||
| "incomplete": "Could not determine if element has descendants" | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| function frameFocusableContentMatches(node, virtualNode, context) { | ||
| return ( | ||
| !context.initiator && | ||
| !context.focusable && | ||
| context.boundingClientRect.width * context.boundingClientRect.height > 1 | ||
| ); | ||
| } | ||
|
|
||
| export default frameFocusableContentMatches; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| { | ||
| "id": "frame-focusable-content", | ||
| "selector": "html", | ||
| "matches": "frame-focusable-content-matches", | ||
| "tags": ["cat.keyboard", "wcag2a", "wcag211"], | ||
| "metadata": { | ||
| "description": "Ensures <frame> and <iframe> elements with tabindex=-1 do not have focusable content", | ||
| "help": "Frames with tabindex=-1 must not have focusable content" | ||
| }, | ||
| "all": [], | ||
| "any": ["frame-focusable-content"], | ||
| "none": [] | ||
| } |
43 changes: 43 additions & 0 deletions
43
test/integration/rules/frame-focusable-content/frame-focusable-content.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/not-focusable.html" | ||
| tabindex="-1" | ||
| id="pass1" | ||
| ></iframe> | ||
|
|
||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| tabindex="-1" | ||
| id="fail1" | ||
| ></iframe> | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| tabindex="-1" | ||
| width="2" | ||
| height="1" | ||
| id="fail2" | ||
| ></iframe> | ||
|
|
||
| <!-- inapplicable --> | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| id="inapplicable-1" | ||
| ></iframe> | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| tabindex="0" | ||
| id="inapplicable-2" | ||
| ></iframe> | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| tabindex="-1" | ||
| width="1" | ||
| height="1" | ||
| id="inapplicable-3" | ||
| ></iframe> | ||
| <iframe | ||
| src="/integration/rules/frame-focusable-content/frames/focusable.html" | ||
| tabindex="-1" | ||
| width="0" | ||
| height="0" | ||
| id="inapplicable-3" | ||
| ></iframe> |
9 changes: 9 additions & 0 deletions
9
test/integration/rules/frame-focusable-content/frame-focusable-content.json
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| { | ||
| "description": "frame-focusable-content tests", | ||
| "rule": "frame-focusable-content", | ||
| "violations": [ | ||
| ["#fail1", "#focusable"], | ||
| ["#fail2", "#focusable"] | ||
| ], | ||
| "passes": [["#pass1", "#not-focusable"]] | ||
| } |
11 changes: 11 additions & 0 deletions
11
test/integration/rules/frame-focusable-content/frames/focusable.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| <!DOCTYPE html> | ||
| <html id="focusable"> | ||
| <head> | ||
| <title>Hello</title> | ||
| <meta charset="utf8" /> | ||
| <script src="/axe.js"></script> | ||
| </head> | ||
| <body> | ||
| <button>Click</button> | ||
| </body> | ||
| </html> |
11 changes: 11 additions & 0 deletions
11
test/integration/rules/frame-focusable-content/frames/not-focusable.html
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| <!DOCTYPE html> | ||
| <html id="not-focusable"> | ||
| <head> | ||
| <title>Hello</title> | ||
| <meta charset="utf8" /> | ||
| <script src="/axe.js"></script> | ||
| </head> | ||
| <body> | ||
| <p>Hello</p> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| describe('frame-focusable-content-matches', function() { | ||
| 'use strict'; | ||
| var rule; | ||
|
|
||
| beforeEach(function() { | ||
| rule = axe.utils.getRule('frame-focusable-content'); | ||
| }); | ||
|
|
||
| it('returns false for the top-level context', function() { | ||
| var result = rule.matches(null, null, { | ||
| initiator: true, | ||
| focusable: false, | ||
| boundingClientRect: { | ||
| width: 100, | ||
| height: 100 | ||
| } | ||
| }); | ||
| assert.isFalse(result); | ||
| }); | ||
|
|
||
| it('returns false for focusable iframes', function() { | ||
| var result = rule.matches(null, null, { | ||
| initiator: false, | ||
| focusable: true, | ||
| boundingClientRect: { | ||
| width: 100, | ||
| height: 100 | ||
| } | ||
| }); | ||
| assert.isFalse(result); | ||
| }); | ||
|
|
||
| it('returns false for non-focusable iframes that are too small (1x1)', function() { | ||
| var result = rule.matches(null, null, { | ||
| initiator: false, | ||
| focusable: false, | ||
| boundingClientRect: { | ||
| width: 1, | ||
| height: 1 | ||
| } | ||
| }); | ||
| assert.isFalse(result); | ||
| }); | ||
|
|
||
| it('returns false for non-focusable iframes that are too small (0x0)', function() { | ||
| var result = rule.matches(null, null, { | ||
| initiator: false, | ||
| focusable: false, | ||
| boundingClientRect: { | ||
| width: 0, | ||
| height: 0 | ||
| } | ||
| }); | ||
| assert.isFalse(result); | ||
| }); | ||
|
|
||
| it('returns true for non-focusable iframes', function() { | ||
| var result = rule.matches(null, null, { | ||
| initiator: false, | ||
| focusable: false, | ||
| boundingClientRect: { | ||
| width: 2, | ||
| height: 1 | ||
| } | ||
| }); | ||
| assert.isTrue(result); | ||
| }); | ||
| }); |