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zulip/zerver/tests/test_realm_linkifiers.py

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import re
import orjson
from django.core.exceptions import ValidationError
from typing_extensions import override
from zerver.lib.test_classes import ZulipTestCase
from zerver.models import RealmAuditLog, RealmFilter
from zerver.models.linkifiers import url_template_validator
from zerver.models.realm_audit_logs import AuditLogEventType
class RealmFilterTest(ZulipTestCase):
@override
def setUp(self) -> None:
super().setUp()
iago = self.example_user("iago")
RealmFilter.objects.filter(realm=iago.realm).delete()
def test_list(self) -> None:
self.login("iago")
data = {
"pattern": "#(?P<id>[123])",
"url_template": "https://realm.com/my_realm_filter/{id}",
}
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
result = self.client_get("/json/realm/linkifiers")
linkifiers = self.assert_json_success(result)["linkifiers"]
self.assert_length(linkifiers, 1)
self.assertEqual(linkifiers[0]["pattern"], "#(?P<id>[123])")
self.assertEqual(linkifiers[0]["url_template"], "https://realm.com/my_realm_filter/{id}")
def test_create(self) -> None:
self.login("iago")
data = {"pattern": "", "url_template": "https://realm.com/my_realm_filter/{id}"}
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(result, "This field cannot be blank.")
data["pattern"] = "(foo"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(result, "Bad regular expression: missing ): (foo")
data["pattern"] = r"ZUL-(?P<id>\d????)"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(result, "Bad regular expression: bad repetition operator: ????")
data["pattern"] = r"ZUL-(?P<id>\d+)"
data["url_template"] = "$fgfg"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(
result, "Group 'id' in linkifier pattern is not present in URL template."
)
data["pattern"] = r"ZUL-(?P<id>\d+)"
data["url_template"] = "https://realm.com/my_realm_filter/"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(
result, "Group 'id' in linkifier pattern is not present in URL template."
)
data["url_template"] = "https://realm.com/my_realm_filter/#hashtag/{id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "ZUL-15"))
data["pattern"] = r"ZUL2-(?P<id>\d+)"
data["url_template"] = "https://realm.com/my_realm_filter/?value={id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "ZUL2-15"))
data["pattern"] = r"_code=(?P<id>[0-9a-zA-Z]+)"
data["url_template"] = "https://example.com/product/{id}/details"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "_code=123abcdZ"))
data["pattern"] = r"PR (?P<id>[0-9]+)"
data["url_template"] = (
"https://example.com/~user/web#view_type=type&model=model&action=12345&id={id}"
)
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "PR 123"))
data["pattern"] = r"lp/(?P<id>[0-9]+)"
data["url_template"] = "https://realm.com/my_realm_filter/?value={id}&sort=reverse"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "lp/123"))
data["pattern"] = r"lp:(?P<id>[0-9]+)"
data["url_template"] = "https://realm.com/my_realm_filter/?sort=reverse&value={id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "lp:123"))
data["pattern"] = r"!(?P<id>[0-9]+)"
data["url_template"] = "https://realm.com/index.pl?Action=AgentTicketZoom;TicketNumber={id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "!123"))
# This block of tests is for mismatches between field sets
data["pattern"] = r"ZUL-(?P<id>\d+)"
data["url_template"] = r"https://realm.com/my_realm_filter/{hello}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(
result, "Group 'hello' in URL template is not present in linkifier pattern."
)
data["pattern"] = r"ZUL-(?P<id>\d+)-(?P<hello>\d+)"
data["url_template"] = r"https://realm.com/my_realm_filter/{hello}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(
result, "Group 'id' in linkifier pattern is not present in URL template."
)
data["pattern"] = r"ZULZ-(?P<hello>\d+)-(?P<world>\d+)"
data["url_template"] = r"https://realm.com/my_realm_filter/{hello}/{world}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
data["pattern"] = r"ZUL-(?P<id>\d+)-(?P<hello>\d+)-(?P<world>\d+)"
data["url_template"] = r"https://realm.com/my_realm_filter/{hello}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_error(
result, "Group 'id' in linkifier pattern is not present in URL template."
)
data["pattern"] = r"ZUL-URL-(?P<id>\d+)"
data["url_template"] = "https://example.com/%ba/{id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
data["pattern"] = r"(?P<org>[a-zA-Z0-9_-]+)/(?P<repo>[a-zA-Z0-9_-]+)#(?P<id>[0-9]+)"
data["url_template"] = "https://github.com/{org}/{repo}/issue/{id}"
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "zulip/zulip#123"))
data["pattern"] = (
r"FOO_(?P<id>[a-f]{5});(?P<zone>[a-f]);(?P<domain>[a-z]+);(?P<location>[a-z]+);(?P<name>[a-z]{2,8});(?P<chapter>[0-9]{2,3});(?P<fragment>[a-z]{2,8})"
)
data["url_template"] = (
"https://zone_{zone}{.domain}.net/ticket{/location}{/id}{?name,chapter}{#fragment:5}"
)
result = self.client_post("/json/realm/filters", info=data)
self.assert_json_success(result)
def test_not_realm_admin(self) -> None:
self.login("hamlet")
result = self.client_post("/json/realm/filters")
self.assert_json_error(result, "Must be an organization administrator")
result = self.client_delete("/json/realm/filters/15")
self.assert_json_error(result, "Must be an organization administrator")
def test_delete(self) -> None:
self.login("iago")
data = {
"pattern": "#(?P<id>[123])",
"url_template": "https://realm.com/my_realm_filter/{id}",
}
result = self.client_post("/json/realm/filters", info=data)
linkifier_id = self.assert_json_success(result)["id"]
linkifiers_count = RealmFilter.objects.count()
result = self.client_delete(f"/json/realm/filters/{linkifier_id + 1}")
self.assert_json_error(result, "Linkifier not found.")
result = self.client_delete(f"/json/realm/filters/{linkifier_id}")
self.assert_json_success(result)
self.assertEqual(RealmFilter.objects.count(), linkifiers_count - 1)
def test_update(self) -> None:
self.login("iago")
data = {
"pattern": "#(?P<id>[123])",
"url_template": "https://realm.com/my_realm_filter/{id}",
}
result = self.client_post("/json/realm/filters", info=data)
linkifier_id = self.assert_json_success(result)["id"]
data = {
"pattern": "#(?P<id>[0-9]+)",
"url_template": "https://realm.com/my_realm_filter/issues/{id}",
}
result = self.client_patch(f"/json/realm/filters/{linkifier_id}", info=data)
self.assert_json_success(result)
self.assertIsNotNone(re.match(data["pattern"], "#1234"))
# Verify that the linkifier is updated accordingly.
result = self.client_get("/json/realm/linkifiers")
linkifier = self.assert_json_success(result)["linkifiers"]
self.assert_length(linkifier, 1)
self.assertEqual(linkifier[0]["pattern"], "#(?P<id>[0-9]+)")
self.assertEqual(
linkifier[0]["url_template"], "https://realm.com/my_realm_filter/issues/{id}"
)
data = {
"pattern": r"ZUL-(?P<id>\d????)",
"url_template": "https://realm.com/my_realm_filter/{id}",
}
result = self.client_patch(f"/json/realm/filters/{linkifier_id}", info=data)
self.assert_json_error(result, "Bad regular expression: bad repetition operator: ????")
data["pattern"] = r"ZUL-(?P<id>\d+)"
data["url_template"] = "$fgfg"
result = self.client_patch(f"/json/realm/filters/{linkifier_id}", info=data)
self.assert_json_error(
result, "Group 'id' in linkifier pattern is not present in URL template."
)
data["pattern"] = r"#(?P<id>[123])"
data["url_template"] = "https://realm.com/my_realm_filter/{id}"
result = self.client_patch(f"/json/realm/filters/{linkifier_id + 1}", info=data)
self.assert_json_error(result, "Linkifier not found.")
data["pattern"] = r"#(?P<id>[123])"
data["url_template"] = "{id"
result = self.client_patch(f"/json/realm/filters/{linkifier_id}", info=data)
self.assert_json_error(result, "Invalid URL template.")
def test_valid_urls(self) -> None:
valid_urls = [
"http://example.com/",
"https://example.com/",
"https://user:password@example.com/",
"https://example.com/@user/thing",
"https://example.com/!path",
"https://example.com/foo.bar",
"https://example.com/foo[bar]",
"https://example.com/{foo}",
"https://example.com/{foo}{bars}",
"https://example.com/{foo}/and/{bar}",
"https://example.com/?foo={foo}",
"https://example.com/%ab",
"https://example.com/%ba",
"https://example.com/%21",
"https://example.com/words%20with%20spaces",
"https://example.com/back%20to%20{back}",
"https://example.com/encoded%2fwith%2fletters",
"https://example.com/encoded%2Fwith%2Fupper%2Fcase%2Fletters",
"https://example.com/%%",
"https://example.com/%%(",
"https://example.com/%%()",
"https://example.com/%%(foo",
"https://example.com/%%(foo)",
"https://example.com/%%(foo)s",
"https://example.com{/foo,bar,baz}",
"https://example.com/{?foo*}",
"https://example.com/{+foo,bar}",
"https://chat{.domain}.com/{#foo}",
"https://zone_{zone}{.domain}.net/ticket{/location}{/id}{?name,chapter}{#fragment:5}",
"$not_a_url$",
]
for url in valid_urls:
url_template_validator(url)
# No need to test this extensively, because most of the invalid
# cases should be handled and tested in the uri_template library
# we used for validation.
invalid_urls = [
"https://example.com/{foo",
"https://example.com/{{}",
"https://example.com/{//foo}",
"https://example.com/{bar++}",
]
for url in invalid_urls:
with self.assertRaises(ValidationError):
url_template_validator(url)
def test_reorder_linkifiers(self) -> None:
iago = self.example_user("iago")
self.login("iago")
def assert_linkifier_audit_logs(expected_id_order: list[int]) -> None:
"""Check if the audit log created orders the linkifiers correctly"""
extra_data = (
RealmAuditLog.objects.filter(
acting_user=iago, event_type=AuditLogEventType.REALM_LINKIFIERS_REORDERED
)
.latest("event_time")
.extra_data
)
audit_logged_ids = [
linkifier_dict["id"] for linkifier_dict in extra_data["realm_linkifiers"]
]
self.assertListEqual(expected_id_order, audit_logged_ids)
def assert_linkifier_order(expected_id_order: list[int]) -> None:
"""Verify that the realm audit log created matches the expected ordering"""
result = self.client_get("/json/realm/linkifiers")
actual_id_order = [
linkifier["id"] for linkifier in self.assert_json_success(result)["linkifiers"]
]
self.assertListEqual(expected_id_order, actual_id_order)
def reorder_verify_succeed(expected_id_order: list[int]) -> None:
"""Send a reorder request and verify that it succeeds"""
result = self.client_patch(
"/json/realm/linkifiers",
{"ordered_linkifier_ids": orjson.dumps(expected_id_order).decode()},
)
self.assert_json_success(result)
reorder_verify_succeed([])
self.assertEqual(
RealmAuditLog.objects.filter(
realm=iago.realm, event_type=AuditLogEventType.REALM_LINKIFIERS_REORDERED
).count(),
0,
)
linkifiers = [
{
"pattern": "1#(?P<id>[123])",
"url_template": "https://filter.com/foo/{id}",
},
{
"pattern": "2#(?P<id>[123])",
"url_template": "https://filter.com/bar/{id}",
},
{
"pattern": "3#(?P<id>[123])",
"url_template": "https://filter.com/baz/{id}",
},
]
original_id_order = []
for linkifier in linkifiers:
result = self.client_post("/json/realm/filters", linkifier)
original_id_order.append(self.assert_json_success(result)["id"])
assert_linkifier_order(original_id_order)
self.assertListEqual([0, 1, 2], list(RealmFilter.objects.values_list("order", flat=True)))
# The creation order orders the linkifiers by default.
# When the order values are the same, fallback to order by ID.
RealmFilter.objects.all().update(order=0)
assert_linkifier_order(original_id_order)
# This should successfully reorder the linkifiers.
new_order = [original_id_order[2], original_id_order[1], original_id_order[0]]
reorder_verify_succeed(new_order)
assert_linkifier_audit_logs(new_order)
assert_linkifier_order(new_order)
# After reordering, newly created linkifier is ordered at the last, and
# the other linkifiers are unchanged.
result = self.client_post(
"/json/realm/filters", {"pattern": "3#123", "url_template": "https://example.com"}
)
new_linkifier_id = self.assert_json_success(result)["id"]
new_order = [*new_order, new_linkifier_id]
assert_linkifier_order(new_order)
# Deleting a linkifier should preserve the order.
deleted_linkifier_id = new_order[2]
result = self.client_delete(f"/json/realm/filters/{deleted_linkifier_id}")
self.assert_json_success(result)
new_order = [*new_order[:2], new_linkifier_id]
assert_linkifier_order(new_order)
# Extra non-existent ids are ignored.
new_order = [new_order[2], new_order[0], new_order[1]]
result = self.client_patch(
"/json/realm/linkifiers", {"ordered_linkifier_ids": [deleted_linkifier_id, *new_order]}
)
self.assert_json_error(
result, "The ordered list must enumerate all existing linkifiers exactly once"
)
# Duplicated IDs are not allowed.
new_order = [*new_order, new_order[0]]
result = self.client_patch("/json/realm/linkifiers", {"ordered_linkifier_ids": new_order})
self.assert_json_error(result, "The ordered list must not contain duplicated linkifiers")
# Incomplete lists of linkifiers are not allowed.
result = self.client_patch(
"/json/realm/linkifiers", {"ordered_linkifier_ids": new_order[:2]}
)
self.assert_json_error(
result, "The ordered list must enumerate all existing linkifiers exactly once"
)
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