CmdForge/tests/test_lockfile.py

375 lines
12 KiB
Python

"""Tests for lockfile.py - Lock file functionality."""
import pytest
from pathlib import Path
from unittest.mock import MagicMock, patch
import tempfile
import yaml
from cmdforge.lockfile import (
Lockfile, LockedPackage, LockfileMetadata,
generate_lockfile, verify_lockfile,
compute_file_hash
)
from cmdforge.hash_utils import compute_yaml_hash
class TestLockedPackage:
"""Tests for LockedPackage dataclass."""
def test_owner_and_name_qualified(self):
pkg = LockedPackage(
name="official/summarize",
version="1.0.0",
constraint="^1.0.0",
integrity="sha256:abc",
source="registry",
direct=True
)
assert pkg.owner == "official"
assert pkg.tool_name == "summarize"
def test_owner_and_name_unqualified(self):
pkg = LockedPackage(
name="summarize",
version="1.0.0",
constraint="*",
integrity="sha256:abc",
source="local",
direct=True
)
assert pkg.owner == ""
assert pkg.tool_name == "summarize"
def test_required_by_default_empty(self):
pkg = LockedPackage(
name="test",
version="1.0.0",
constraint="*",
integrity="",
source="registry",
direct=True
)
assert pkg.required_by == []
class TestLockfile:
"""Tests for Lockfile dataclass."""
def test_save_and_load(self, tmp_path):
lock = Lockfile(
metadata=LockfileMetadata(
generated_at="2026-01-26T00:00:00Z",
cmdforge_version="1.5.0",
manifest_hash="sha256:test123",
platform="linux",
python_version="3.12.0"
),
packages={
"official/summarize": LockedPackage(
name="official/summarize",
version="1.2.3",
constraint="^1.0.0",
integrity="sha256:abc123",
source="registry",
direct=True
)
}
)
lock_path = tmp_path / "cmdforge.lock"
lock.save(lock_path)
loaded = Lockfile.load(lock_path)
assert loaded is not None
assert "official/summarize" in loaded.packages
assert loaded.packages["official/summarize"].version == "1.2.3"
assert loaded.packages["official/summarize"].integrity == "sha256:abc123"
# Verify optional fields round-trip
assert loaded.packages["official/summarize"].required_by == []
assert loaded.packages["official/summarize"].path is None
def test_load_missing_file(self, tmp_path):
lock_path = tmp_path / "nonexistent.lock"
loaded = Lockfile.load(lock_path)
assert loaded is None
def test_is_stale_when_manifest_changed(self, tmp_path):
manifest_path = tmp_path / "cmdforge.yaml"
manifest_path.write_text("name: test\ndependencies: []")
original_hash = compute_file_hash(manifest_path)
lock = Lockfile(
metadata=LockfileMetadata(
generated_at="2026-01-26T00:00:00Z",
cmdforge_version="1.5.0",
manifest_hash=original_hash,
platform="linux",
python_version="3.12.0"
)
)
assert not lock.is_stale(manifest_path)
# Modify manifest
manifest_path.write_text("name: test\ndependencies:\n - official/foo")
assert lock.is_stale(manifest_path)
def test_is_stale_without_metadata(self):
lock = Lockfile()
assert lock.is_stale()
def test_get_package(self):
lock = Lockfile(
packages={
"official/summarize": LockedPackage(
name="official/summarize",
version="1.0.0",
constraint="*",
integrity="",
source="registry",
direct=True
)
}
)
assert lock.get_package("official/summarize") is not None
assert lock.get_package("nonexistent") is None
def test_lockfile_version(self):
lock = Lockfile()
assert lock.lockfile_version == 1
def test_save_includes_header(self, tmp_path):
lock = Lockfile()
lock_path = tmp_path / "cmdforge.lock"
lock.save(lock_path)
content = lock_path.read_text()
assert "# cmdforge.lock" in content
assert "# Auto-generated" in content
assert "do not edit manually" in content
class TestHashFunctions:
"""Tests for hash functions."""
def test_compute_file_hash(self, tmp_path):
test_file = tmp_path / "test.txt"
test_file.write_text("hello world")
hash1 = compute_file_hash(test_file)
assert hash1.startswith("sha256:")
# Same content = same hash
hash2 = compute_file_hash(test_file)
assert hash1 == hash2
# Different content = different hash
test_file.write_text("different")
hash3 = compute_file_hash(test_file)
assert hash1 != hash3
def test_compute_yaml_hash_normalized(self):
"""Test that YAML hash normalizes content (sorted keys, excluded fields)."""
# Same logical content, different formatting
yaml1 = "name: test\ndescription: foo"
yaml2 = "description: foo\nname: test" # Different key order
# Should produce same hash (normalized)
assert compute_yaml_hash(yaml1) == compute_yaml_hash(yaml2)
# Different content = different hash
yaml3 = "name: test\ndescription: bar"
assert compute_yaml_hash(yaml1) != compute_yaml_hash(yaml3)
# registry_hash field should be excluded
yaml4 = "name: test\ndescription: foo\nregistry_hash: sha256:abc"
assert compute_yaml_hash(yaml1) == compute_yaml_hash(yaml4)
class TestGenerateLockfile:
"""Tests for generate_lockfile function."""
def test_generates_complete_lockfile(self, tmp_path):
"""Test that lock file includes all graph nodes."""
from cmdforge.manifest import Manifest, Dependency
from cmdforge.dependency_graph import DependencyGraph, DependencyNode
from pathlib import Path
# Create mock manifest
manifest = Manifest(
name="test-project",
version="1.0.0",
dependencies=[
Dependency(name="official/summarize", version="^1.0.0")
]
)
# Create mock graph with local tool (has path for integrity)
tool_dir = tmp_path / "tool"
tool_dir.mkdir()
(tool_dir / "config.yaml").write_text("name: summarize\ndescription: test")
graph = DependencyGraph()
graph.root_dependencies = ["official/summarize"]
graph.nodes = {
"official/summarize": DependencyNode(
owner="official",
name="summarize",
version_constraint="^1.0.0",
resolved_version="1.2.3",
source="local", # Use local so we can compute hash from file
path=tool_dir,
children=["official/text-utils"]
),
"official/text-utils": DependencyNode(
owner="official",
name="text-utils",
version_constraint="*",
resolved_version="1.0.0",
source="registry",
path=None,
children=[]
)
}
# Mock registry client - won't be called for local tools
mock_client = MagicMock()
mock_client.download_tool.return_value = MagicMock(
config_hash="sha256:registry_hash",
config_yaml="name: text-utils"
)
# Create a cmdforge.yaml for manifest hash
manifest_path = tmp_path / "cmdforge.yaml"
manifest_path.write_text("name: test\ndependencies: []")
import os
old_cwd = os.getcwd()
os.chdir(tmp_path)
try:
lock = generate_lockfile(manifest, graph, mock_client)
finally:
os.chdir(old_cwd)
assert len(lock.packages) == 2
assert "official/summarize" in lock.packages
assert "official/text-utils" in lock.packages
assert lock.packages["official/summarize"].direct is True
assert lock.packages["official/text-utils"].direct is False
class TestVerifyLockfile:
"""Tests for verify_lockfile function."""
def test_reports_missing_tools(self):
"""Test that missing tools are reported."""
from cmdforge.resolver import ToolNotFoundError, ToolSpec
lock = Lockfile(
packages={
"official/missing": LockedPackage(
name="official/missing",
version="1.0.0",
constraint="*",
integrity="sha256:abc",
source="registry",
direct=True
)
}
)
mock_client = MagicMock()
with patch('cmdforge.resolver.ToolResolver') as MockResolver:
mock_instance = MockResolver.return_value
mock_instance.manifest = None
mock_instance.resolve.side_effect = ToolNotFoundError(
ToolSpec.parse("official/missing"),
[]
)
errors = verify_lockfile(lock, mock_client)
assert len(errors) == 1
assert "not installed" in errors[0]
class TestLockfileRoundTrip:
"""Tests for complete lock file round-trip."""
def test_full_round_trip(self, tmp_path):
"""Test saving and loading a complete lock file."""
lock = Lockfile(
lockfile_version=1,
metadata=LockfileMetadata(
generated_at="2026-01-26T10:30:00Z",
cmdforge_version="1.5.0",
manifest_hash="sha256:abc123def456",
platform="linux",
python_version="3.12.0"
),
packages={
"official/summarize": LockedPackage(
name="official/summarize",
version="1.2.3",
constraint="^1.0.0",
integrity="sha256:abc123",
source="registry",
direct=True,
required_by=[]
),
"official/text-utils": LockedPackage(
name="official/text-utils",
version="1.0.0",
constraint="*",
integrity="sha256:def456",
source="registry",
direct=False,
required_by=["official/summarize"]
),
"my-local-tool": LockedPackage(
name="my-local-tool",
version="0.1.0",
constraint="*",
integrity="sha256:ghi789",
source="local",
direct=True,
path=".cmdforge/my-local-tool"
)
}
)
lock_path = tmp_path / "cmdforge.lock"
lock.save(lock_path)
loaded = Lockfile.load(lock_path)
# Verify metadata
assert loaded.lockfile_version == 1
assert loaded.metadata.generated_at == "2026-01-26T10:30:00Z"
assert loaded.metadata.cmdforge_version == "1.5.0"
assert loaded.metadata.manifest_hash == "sha256:abc123def456"
assert loaded.metadata.platform == "linux"
assert loaded.metadata.python_version == "3.12.0"
# Verify packages
assert len(loaded.packages) == 3
summarize = loaded.packages["official/summarize"]
assert summarize.version == "1.2.3"
assert summarize.constraint == "^1.0.0"
assert summarize.integrity == "sha256:abc123"
assert summarize.source == "registry"
assert summarize.direct is True
text_utils = loaded.packages["official/text-utils"]
assert text_utils.direct is False
assert text_utils.required_by == ["official/summarize"]
local_tool = loaded.packages["my-local-tool"]
assert local_tool.source == "local"
assert local_tool.path == ".cmdforge/my-local-tool"