stackchain-dashboard/tests/test_issue_attachment_ui.py
timmy eefb760169
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feat: attach screenshots to issue comments (#467)
2026-08-10 08:55:13 +00:00

135 lines
5.4 KiB
Python

import json
import re
import subprocess
from pathlib import Path
ATTACHMENT = Path(__file__).parents[1] / "frontend" / "issue-attachment.js"
INDEX = Path(__file__).parents[1] / "frontend" / "index.html"
CSS = Path(__file__).parents[1] / "frontend" / "dashboard.css"
DASHBOARD = Path(__file__).parents[1] / "frontend" / "dashboard.js"
SERVICE_WORKER = Path(__file__).parents[1] / "frontend" / "service-worker.js"
README = Path(__file__).parents[1] / "README.md"
def run_node(script: str) -> str:
return subprocess.run(
["node", "-e", script], check=True, capture_output=True, text=True
).stdout
def test_mobile_attachment_prepares_comment_and_reuses_confirmed_upload():
script = f"""
const attachment = require({json.dumps(str(ATTACHMENT))});
const calls = [];
const file = {{name:'checkout.png', type:'image/png', size:8}};
const controller = attachment.create({{
readDataUrl: async selected => {{ calls.push('read:' + selected.name); return 'data:image/png;base64,iVBORw0KGgo='; }},
upload: async payload => {{ calls.push(payload); return {{markdown:'![checkout.png](https://forge.example/a.png)'}}; }},
}});
controller.select(file);
(async()=>{{
const first = await controller.prepareComment({{repository:'stackchain/api', number:17}}, 'Layout breaks');
const second = await controller.prepareComment({{repository:'stackchain/api', number:17}}, 'Layout breaks');
process.stdout.write(JSON.stringify({{first,second,calls,state:controller.state()}}));
}})().catch(error=>{{ console.error(error); process.exit(1); }});
"""
output = json.loads(run_node(script))
assert output["first"] == (
"Layout breaks\n\n![checkout.png](https://forge.example/a.png)"
)
assert output["second"] == output["first"]
assert output["calls"] == [
"read:checkout.png",
{
"repository": "stackchain/api",
"number": 17,
"filename": "checkout.png",
"content_type": "image/png",
"data": "iVBORw0KGgo=",
},
]
assert output["state"] == {
"name": "checkout.png", "size": 8, "uploaded": True
}
def test_issue_composer_renders_thumb_reachable_screenshot_preview():
html = INDEX.read_text()
css = CSS.read_text()
assert 'id="issue-attachment"' in html
assert 'type="file"' in html
assert 'accept="image/png,image/jpeg,image/webp"' in html
assert 'for="issue-attachment"' in html
assert 'id="issue-attachment-preview"' in html
assert 'id="remove-issue-attachment"' in html
assert '.issue-attachment-trigger' in css
assert '.issue-attachment-preview' in css
assert 'min-height:44px' in css
def test_attachment_view_keeps_invalid_draft_and_removes_preview():
script = f"""
const attachment = require({json.dumps(str(ATTACHMENT))});
class Element {{
constructor() {{ this.listeners={{}}; this.hidden=true; this.value=''; this.files=[]; this.textContent=''; this.src=''; }}
addEventListener(type, fn) {{ this.listeners[type]=fn; }}
dispatch(type) {{ return this.listeners[type]({{target:this}}); }}
}}
const input=new Element(), preview=new Element(), image=new Element(), meta=new Element(), remove=new Element(), status=new Element();
const revoked=[];
const controller=attachment.mount({{
input,preview,image,meta,remove,status,
createObjectURL:()=> 'blob:preview', revokeObjectURL:url=>revoked.push(url),
readDataUrl:async()=>'', upload:async()=>{{}},
}});
input.files=[{{name:'payload.svg',type:'image/svg+xml',size:20}}]; input.dispatch('change');
const invalid={{message:status.textContent,hidden:preview.hidden}};
input.files=[{{name:'screen.png',type:'image/png',size:2048}}]; input.dispatch('change');
const selected={{src:image.src,meta:meta.textContent,hidden:preview.hidden,state:controller.state()}};
remove.dispatch('click');
process.stdout.write(JSON.stringify({{invalid,selected,removed:{{hidden:preview.hidden,src:image.src,revoked,state:controller.state()}}}}));
"""
output = json.loads(run_node(script))
assert output["invalid"] == {
"message": "Choose a PNG, JPEG, or WebP screenshot.", "hidden": True
}
assert output["selected"]["src"] == "blob:preview"
assert output["selected"]["hidden"] is False
assert "screen.png" in output["selected"]["meta"]
assert output["removed"] == {
"hidden": True, "src": "", "revoked": ["blob:preview"], "state": None
}
def test_issue_comment_actions_upload_before_posting_and_clear_after_acceptance():
source = DASHBOARD.read_text()
assert "issueAttachment.mount({" in source
assert "'/attachments'" in source
assert "issueAttachmentController.prepareComment(item, body)" in source
assert "issueAttachmentController.prepareComment(selectedIssue, body)" in source
assert source.count("issueAttachmentController.clear();") >= 2
def test_closing_issue_sheet_cannot_carry_a_screenshot_to_another_issue():
source = DASHBOARD.read_text()
close_body = re.search(
r"function closeIssueSheet\(navigate = true\) \{(?P<body>.*?)\n \}",
source,
re.DOTALL,
).group("body")
assert "issueAttachmentController.clear();" in close_body
def test_attachment_runtime_is_available_in_the_offline_app_shell():
assert "static/issue-attachment.js" in SERVICE_WORKER.read_text()
def test_readme_documents_mobile_screenshot_limits_and_delivery_order():
readme = README.read_text()
assert "PNG, JPEG, or WebP" in readme
assert "2 MB" in readme
assert "uploads before the comment is posted" in readme