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56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
"""Tests for PR merge target resolution by task scope."""
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from __future__ import annotations
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import pytest
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from roboco.services.gateway.merge_chain import branch_depth, parent_branch_for
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_DEPTH_ROOT = 1
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_DEPTH_ONE_SUBTASK = 2
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_DEPTH_DEEP_SUBTASK = 3
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class TestBranchDepth:
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def test_root_branch(self) -> None:
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assert branch_depth("feature/backend/abc12345") == _DEPTH_ROOT
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def test_one_subtask(self) -> None:
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assert branch_depth("feature/backend/abc12345--def67890") == _DEPTH_ONE_SUBTASK
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def test_deep_subtask(self) -> None:
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deep = "feature/backend/abc12345--def67890--ghi11111"
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assert branch_depth(deep) == _DEPTH_DEEP_SUBTASK
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class TestParentBranchFor:
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def test_leaf_returns_immediate_parent(self) -> None:
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b = "feature/backend/abc12345--def67890--ghi11111"
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assert parent_branch_for(b) == "feature/backend/abc12345--def67890"
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def test_one_level_returns_root_task_branch(self) -> None:
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b = "feature/backend/abc12345--def67890"
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assert parent_branch_for(b) == "feature/backend/abc12345"
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def test_root_returns_master(self) -> None:
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b = "feature/backend/abc12345"
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assert parent_branch_for(b) == "master"
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def test_master_returns_master(self) -> None:
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# Edge case: should be a no-op
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assert parent_branch_for("master") == "master"
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def test_invalid_pattern_raises(self) -> None:
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with pytest.raises(ValueError, match="invalid branch"):
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parent_branch_for("not-a-branch")
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def test_branch_depth_master_is_zero() -> None:
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"""Line 28: master returns 0."""
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assert branch_depth("master") == 0
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def test_branch_depth_invalid_pattern_raises() -> None:
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"""Line 31: invalid branch pattern raises."""
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with pytest.raises(ValueError, match="invalid branch"):
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branch_depth("garbage-branch-name")
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