adding workflow dispatch for gitea_flake_lock.py

tests/test_gitea_flake_lock.py

@@ -0,0 +1,113 @@
+"""Tests for Gitea flake.lock automation."""
+
+from __future__ import annotations
+
+from python.gitea import PullRequest
+from python.gitea_flake_lock import (
+    PR_CHECK_WORKFLOWS,
+    PR_LABELS,
+    dispatch_pull_request_checks,
+    ensure_flake_lock_pull_request,
+    find_flake_lock_pull_request,
+)
+
+
+def _pull_request(number=1, head_branch="automation/update-flake-lock"):
+    return PullRequest(
+        number=number,
+        title="Update flake.lock",
+        html_url=f"https://gitea.example.test/pulls/{number}",
+        labels=(),
+        head_branch=head_branch,
+        base_branch="main",
+    )
+
+
+class FakeGiteaClient:
+    def __init__(self, pull_requests=None):
+        self.pull_requests = pull_requests or []
+        self.dispatch_calls = []
+        self.list_calls = []
+        self.create_calls = []
+
+    def list_open_pull_requests(self, **kwargs):
+        self.list_calls.append(kwargs)
+        return self.pull_requests
+
+    def create_pull_request(self, **kwargs):
+        self.create_calls.append(kwargs)
+        return _pull_request()
+
+    def dispatch_workflow(self, **kwargs):
+        self.dispatch_calls.append(kwargs)
+
+
+def test_ensure_flake_lock_pull_request_finds_by_branch():
+    pull_request = _pull_request()
+    client = FakeGiteaClient([pull_request])
+
+    result = ensure_flake_lock_pull_request(
+        client,
+        owner="Richie",
+        repo="dotfiles",
+        branch="automation/update-flake-lock",
+        base="main",
+    )
+
+    assert result == pull_request
+    assert client.list_calls == [
+        {"owner": "Richie", "repo": "dotfiles", "head": "automation/update-flake-lock"},
+    ]
+    assert client.create_calls == []
+
+
+def test_ensure_flake_lock_pull_request_creates_with_labels():
+    client = FakeGiteaClient()
+
+    ensure_flake_lock_pull_request(
+        client,
+        owner="Richie",
+        repo="dotfiles",
+        branch="automation/update-flake-lock",
+        base="main",
+    )
+
+    assert client.create_calls == [
+        {
+            "owner": "Richie",
+            "repo": "dotfiles",
+            "title": "Update flake.lock",
+            "body": "Automated flake.lock update.",
+            "head": "automation/update-flake-lock",
+            "base": "main",
+            "labels": PR_LABELS,
+        },
+    ]
+
+
+def test_find_flake_lock_pull_request_finds_by_label():
+    pull_request = _pull_request()
+    client = FakeGiteaClient([pull_request])
+
+    result = find_flake_lock_pull_request(client, owner="Richie", repo="dotfiles")
+
+    assert result == pull_request
+    assert client.list_calls == [
+        {"owner": "Richie", "repo": "dotfiles", "labels": ["flake_lock_update"]},
+    ]
+
+
+def test_dispatch_pull_request_checks_runs_each_workflow():
+    client = FakeGiteaClient()
+
+    dispatch_pull_request_checks(client, owner="Richie", repo="dotfiles", branch="automation/update-flake-lock")
+
+    assert client.dispatch_calls == [
+        {
+            "owner": "Richie",
+            "repo": "dotfiles",
+            "workflow_id": workflow,
+            "ref": "automation/update-flake-lock",
+        }
+        for workflow in PR_CHECK_WORKFLOWS
+    ]