100% Coverage

tests/unit/services/test_git_commit_trailer.py

@@ -4,7 +4,11 @@ import importlib
 
 import pytest
 import roboco.config as config_module
-from roboco.templates.git.commit import CommitContext, build_commit_message
+from roboco.templates.git.commit import (
+    CommitContext,
+    CommitMessageError,
+    build_commit_message,
+)
 
 
 def _make_ctx() -> CommitContext:
@@ -48,3 +52,89 @@ def test_links_use_public_base_url(monkeypatch: pytest.MonkeyPatch) -> None:
         assert "127.0.0.1" not in out
     finally:
         importlib.reload(config_module)
+
+
+def test_commit_context_invalid_type_raises() -> None:
+    """Lines 49-52: invalid commit_type raises CommitMessageError."""
+    with pytest.raises(CommitMessageError, match="Invalid commit type"):
+        CommitContext(
+            task_id="t-1",
+            root_task_id="r-1",
+            agent_slug="be-dev-1",
+            session_id="s-1",
+            commit_type="garbage",
+            scope=None,
+            description="x",
+        )
+
+
+def test_commit_context_missing_description_raises() -> None:
+    """Line 54: missing description raises."""
+    with pytest.raises(CommitMessageError, match="description is required"):
+        CommitContext(
+            task_id="t-1",
+            root_task_id="r-1",
+            agent_slug="be-dev-1",
+            session_id="s-1",
+            commit_type="feat",
+            scope=None,
+            description="",
+        )
+
+
+def test_commit_context_missing_task_id_raises() -> None:
+    """Line 56: missing task_id raises."""
+    with pytest.raises(CommitMessageError, match="Task ID is required"):
+        CommitContext(
+            task_id="",
+            root_task_id="r-1",
+            agent_slug="be-dev-1",
+            session_id="s-1",
+            commit_type="feat",
+            scope=None,
+            description="x",
+        )
+
+
+def test_commit_context_missing_root_task_id_raises() -> None:
+    """Line 58: missing root_task_id raises."""
+    with pytest.raises(CommitMessageError, match="Root task ID is required"):
+        CommitContext(
+            task_id="t-1",
+            root_task_id="",
+            agent_slug="be-dev-1",
+            session_id="s-1",
+            commit_type="feat",
+            scope=None,
+            description="x",
+        )
+
+
+def test_commit_context_missing_agent_slug_raises() -> None:
+    """Line 60: missing agent_slug raises."""
+    with pytest.raises(CommitMessageError, match="Agent slug is required"):
+        CommitContext(
+            task_id="t-1",
+            root_task_id="r-1",
+            agent_slug="",
+            session_id="s-1",
+            commit_type="feat",
+            scope=None,
+            description="x",
+        )
+
+
+def test_build_commit_message_with_body() -> None:
+    """Line 85: ctx.body present → body section appended."""
+    ctx = CommitContext(
+        task_id="t-1",
+        root_task_id="r-1",
+        agent_slug="be-dev-1",
+        session_id="s-1",
+        commit_type="feat",
+        scope="auth",
+        description="add login",
+        body="Implements OAuth2 login flow",
+    )
+    out = build_commit_message(ctx, "https://example.com/api")
+    assert "Implements OAuth2 login flow" in out