DEVX-57: feat: add FORCE_DEPLOY env var, --git flag, --from-tag flag

tests/unit/test_publish.py

@@ -11,6 +11,8 @@ from devx.ci.publish import (
     _default_gitea_registry_url,
     build_package,
     generate_release_notes,
+    get_latest_tag,
+    is_release_commit,
     main,
     publish_to_gitea_registry,
     publish_to_pypi,
@@ -385,5 +387,82 @@ class TestMain:
         runner = CliRunner()
         result = runner.invoke(main, ["v1.0.0", "owner/repo"])
         assert result.exit_code == 0
-        assert "Gitea release v1.0.0 created" in result.output
-        mock_tea.create_release.assert_called_once()
+
+
+class TestFromTag:
+    def test_get_latest_tag_success(self) -> None:
+        import subprocess
+
+        with patch("devx.ci.publish.subprocess.run") as mock_run:
+            mock_run.return_value = subprocess.CompletedProcess(args=[], returncode=0, stdout="v1.2.3\n")
+            result = get_latest_tag()
+        assert result == "v1.2.3"
+
+    def test_get_latest_tag_no_tags(self) -> None:
+        import subprocess
+
+        with patch("devx.ci.publish.subprocess.run") as mock_run:
+            mock_run.side_effect = subprocess.CalledProcessError(1, [])
+            result = get_latest_tag()
+        assert result is None
+
+    def test_is_release_commit_match(self) -> None:
+        import subprocess
+
+        with patch("devx.ci.publish.subprocess.run") as mock_run:
+            mock_run.return_value = subprocess.CompletedProcess(
+                args=[], returncode=0, stdout="release: v1.2.3 [skip ci]\n"
+            )
+            result = is_release_commit("v1.2.3")
+        assert result is True
+
+    def test_is_release_commit_no_match(self) -> None:
+        import subprocess
+
+        with patch("devx.ci.publish.subprocess.run") as mock_run:
+            mock_run.return_value = subprocess.CompletedProcess(args=[], returncode=0, stdout="feat: add feature\n")
+            result = is_release_commit("v1.2.3")
+        assert result is False
+
+    def test_is_release_commit_git_error(self) -> None:
+        import subprocess
+
+        with patch("devx.ci.publish.subprocess.run") as mock_run:
+            mock_run.side_effect = subprocess.CalledProcessError(1, [])
+            result = is_release_commit("v1.2.3")
+        assert result is False
+
+    @patch("devx.ci.publish.get_latest_tag", return_value=None)
+    def test_from_tag_no_tag_skips(self, _mock: MagicMock) -> None:
+        runner = CliRunner()
+        result = runner.invoke(main, ["--from-tag", "--skip-build", "", "owner/repo"])
+        assert result.exit_code == 0
+        assert "No tag found" in result.output
+
+    @patch("devx.ci.publish.is_release_commit", return_value=False)
+    @patch("devx.ci.publish.get_latest_tag", return_value="v1.0.0")
+    def test_from_tag_not_release_commit_skips(self, _mock_tag: MagicMock, _mock_rel: MagicMock) -> None:
+        runner = CliRunner()
+        result = runner.invoke(main, ["--from-tag", "--skip-build", "", "owner/repo"])
+        assert result.exit_code == 0
+        assert "not a release commit" in result.output
+
+    @patch("devx.ci.publish.is_release_commit", return_value=True)
+    @patch("devx.ci.publish.get_latest_tag", return_value="v1.0.0")
+    def test_from_tag_publishes(self, _mock_tag: MagicMock, _mock_rel: MagicMock) -> None:
+        with patch.dict("os.environ", {"REPO_TOKEN": "fake"}):
+            with patch("devx.ci.publish.TeaCLI") as mock_tea_cls:
+                mock_tea = MagicMock()
+                mock_tea.list_releases.return_value = []
+                mock_tea_cls.return_value = mock_tea
+                with patch("devx.ci.publish.generate_release_notes", return_value="notes"):
+                    runner = CliRunner()
+                    result = runner.invoke(main, ["--from-tag", "--skip-build", "", "owner/repo"])
+        assert result.exit_code == 0
+        assert "Publishing release v1.0.0" in result.output
+
+    def test_no_tag_no_from_tag_raises(self) -> None:
+        runner = CliRunner()
+        result = runner.invoke(main, ["", "owner/repo", "--skip-build"])
+        assert result.exit_code != 0
+        assert "Tag is required" in result.output