Files
headquarter/apps/api/tests/unit/test_profile_resolver.py

464 lines
15 KiB
Python

"""Unit tests for the profile resolver service."""
import uuid
from unittest.mock import MagicMock
import pytest
from src.services.profile_resolver import (
ProfileCycleError,
ResolvedProfileOutput,
resolve_profile,
)
def _make_profile(
name: str,
env_vars: dict[str, str] | None = None,
start_command: str | None = None,
working_directory: str | None = None,
port: int | None = None,
mounts: list[MagicMock] | None = None,
includes: list[MagicMock] | None = None,
) -> MagicMock:
"""Create a mock ConfigProfile for testing."""
profile = MagicMock()
profile.id = uuid.uuid4()
profile.name = name
profile.environment_variables = env_vars or {}
profile.start_command = start_command
profile.working_directory = working_directory
profile.port = port
profile.mounts = mounts or []
profile.includes = includes or []
return profile
def _make_include(included_profile: MagicMock, order_index: int = 0) -> MagicMock:
"""Create a mock ConfigInclude for testing."""
include = MagicMock()
include.included_profile = included_profile
include.order_index = order_index
return include
def _make_mount(
target_path: str,
mode: str = "rw",
files: dict[str, str] | None = None,
order_index: int = 0,
) -> MagicMock:
"""Create a mock ConfigMount for testing."""
mount = MagicMock()
mount.target_path = target_path
mount.mode = mode
mount.files = files or {}
mount.order_index = order_index
return mount
class TestResolveProfileBasic:
"""Tests for basic profile resolution without includes."""
def test_empty_profile(self) -> None:
"""Resolving an empty profile returns empty output."""
profile = _make_profile("empty")
result = resolve_profile(profile)
assert isinstance(result, ResolvedProfileOutput)
assert result.profile_name == "empty"
assert result.environment_variables == {}
assert result.runtime_hints.start_command is None
assert result.runtime_hints.working_directory is None
assert result.runtime_hints.port is None
assert result.mounts == {}
assert result.resolution_order == ["empty"]
def test_env_vars_only(self) -> None:
"""Profile with env vars resolves correctly."""
profile = _make_profile(
"env-only",
env_vars={"FOO": "bar", "BAZ": "qux"},
)
result = resolve_profile(profile)
assert result.environment_variables == {"FOO": "bar", "BAZ": "qux"}
assert result.env_var_sources == {
"FOO": ["env-only"],
"BAZ": ["env-only"],
}
def test_runtime_hints_only(self) -> None:
"""Profile with runtime hints resolves correctly."""
profile = _make_profile(
"hints-only",
start_command="python app.py",
working_directory="/app",
port=8080,
)
result = resolve_profile(profile)
assert result.runtime_hints.start_command == "python app.py"
assert result.runtime_hints.working_directory == "/app"
assert result.runtime_hints.port == 8080
assert result.runtime_hints.overridden_hints == {
"start_command": "hints-only",
"working_directory": "hints-only",
"port": "hints-only",
}
def test_mounts_only(self) -> None:
"""Profile with mounts resolves correctly."""
profile = _make_profile(
"mounts-only",
mounts=[
_make_mount(
"/config",
mode="ro",
files={"settings.json": '{"key": "value"}'},
),
],
)
result = resolve_profile(profile)
assert "/config" in result.mounts
mount = result.mounts["/config"]
assert mount.target_path == "/config"
assert mount.mode == "ro"
assert mount.files == {"settings.json": '{"key": "value"}'}
class TestResolveProfileIncludes:
"""Tests for profile resolution with includes."""
def test_single_include(self) -> None:
"""Profile with one include resolves in correct order."""
base = _make_profile("base", env_vars={"FOO": "base"})
derived = _make_profile(
"derived",
env_vars={"BAR": "derived"},
includes=[_make_include(base, order_index=0)],
)
result = resolve_profile(derived)
assert result.resolution_order == ["derived", "base"]
assert result.environment_variables == {
"FOO": "base",
"BAR": "derived",
}
def test_multiple_includes_ordered(self) -> None:
"""Multiple includes are resolved in order_index order."""
first = _make_profile("first", env_vars={"KEY": "first"})
second = _make_profile("second", env_vars={"KEY": "second"})
main = _make_profile(
"main",
includes=[
_make_include(first, order_index=0),
_make_include(second, order_index=1),
],
)
result = resolve_profile(main)
assert result.resolution_order == ["main", "first", "second"]
# second overrides first
assert result.environment_variables == {"KEY": "second"}
assert result.env_var_sources["KEY"] == ["first", "second"]
def test_include_order_matters(self) -> None:
"""Changing include order changes resolution."""
a = _make_profile("a", env_vars={"KEY": "a"})
b = _make_profile("b", env_vars={"KEY": "b"})
main1 = _make_profile(
"main",
includes=[
_make_include(a, order_index=0),
_make_include(b, order_index=1),
],
)
main2 = _make_profile(
"main",
includes=[
_make_include(b, order_index=0),
_make_include(a, order_index=1),
],
)
result1 = resolve_profile(main1)
result2 = resolve_profile(main2)
assert result1.environment_variables["KEY"] == "b"
assert result2.environment_variables["KEY"] == "a"
def test_nested_includes(self) -> None:
"""Deeply nested includes resolve recursively."""
deep = _make_profile("deep", env_vars={"DEEP": "value"})
mid = _make_profile(
"mid",
env_vars={"MID": "value"},
includes=[_make_include(deep, order_index=0)],
)
top = _make_profile(
"top",
env_vars={"TOP": "value"},
includes=[_make_include(mid, order_index=0)],
)
result = resolve_profile(top)
assert result.resolution_order == ["top", "mid", "deep"]
assert result.environment_variables == {
"TOP": "value",
"MID": "value",
"DEEP": "value",
}
class TestResolveProfileOverrides:
"""Tests for deterministic override rules."""
def test_env_var_override(self) -> None:
"""Later layers override earlier env vars."""
base = _make_profile("base", env_vars={"KEY": "base"})
override = _make_profile("override", env_vars={"KEY": "override"})
main = _make_profile(
"main",
includes=[
_make_include(base, order_index=0),
_make_include(override, order_index=1),
],
)
result = resolve_profile(main)
assert result.environment_variables["KEY"] == "override"
assert result.env_var_sources["KEY"] == ["base", "override"]
def test_main_profile_wins_over_includes(self) -> None:
"""The main profile itself wins over all includes."""
base = _make_profile("base", env_vars={"KEY": "base"})
main = _make_profile(
"main",
env_vars={"KEY": "main"},
includes=[_make_include(base, order_index=0)],
)
result = resolve_profile(main)
assert result.environment_variables["KEY"] == "main"
assert result.env_var_sources["KEY"] == ["base", "main"]
def test_runtime_hint_override(self) -> None:
"""Later layers override earlier runtime hints."""
base = _make_profile("base", start_command="python old.py")
override = _make_profile("override", start_command="python new.py")
main = _make_profile(
"main",
includes=[
_make_include(base, order_index=0),
_make_include(override, order_index=1),
],
)
result = resolve_profile(main)
assert result.runtime_hints.start_command == "python new.py"
assert result.runtime_hints.overridden_hints["start_command"] == "override"
def test_mount_file_override(self) -> None:
"""Later layers override earlier files in the same mount."""
base = _make_profile(
"base",
mounts=[
_make_mount(
"/config",
files={"app.json": '{"v": 1}'},
),
],
)
override = _make_profile(
"override",
mounts=[
_make_mount(
"/config",
files={"app.json": '{"v": 2}'},
),
],
)
main = _make_profile(
"main",
includes=[
_make_include(base, order_index=0),
_make_include(override, order_index=1),
],
)
result = resolve_profile(main)
mount = result.mounts["/config"]
assert mount.files["app.json"] == '{"v": 2}'
assert mount.overridden_files["app.json"] == ["override"]
def test_mount_mode_override(self) -> None:
"""Later layers override mount mode."""
base = _make_profile(
"base",
mounts=[_make_mount("/data", mode="ro")],
)
override = _make_profile(
"override",
mounts=[_make_mount("/data", mode="rw")],
)
main = _make_profile(
"main",
includes=[
_make_include(base, order_index=0),
_make_include(override, order_index=1),
],
)
result = resolve_profile(main)
assert result.mounts["/data"].mode == "rw"
assert result.mounts["/data"].mode_overridden_by == "override"
def test_mount_file_merge(self) -> None:
"""Different files in the same mount are merged."""
base = _make_profile(
"base",
mounts=[
_make_mount(
"/config",
files={"a.json": "1"},
),
],
)
override = _make_profile(
"override",
mounts=[
_make_mount(
"/config",
files={"b.json": "2"},
),
],
)
main = _make_profile(
"main",
includes=[
_make_include(base, order_index=0),
_make_include(override, order_index=1),
],
)
result = resolve_profile(main)
mount = result.mounts["/config"]
assert mount.files == {"a.json": "1", "b.json": "2"}
class TestResolveProfileCycles:
"""Tests for cycle detection during resolution."""
def test_direct_cycle(self) -> None:
"""A -> B -> A is detected."""
a = _make_profile("a")
b = _make_profile("b", includes=[_make_include(a, order_index=0)])
a.includes = [_make_include(b, order_index=0)]
with pytest.raises(ProfileCycleError) as exc_info:
resolve_profile(a)
assert "a" in exc_info.value.cycle_path
assert "b" in exc_info.value.cycle_path
def test_indirect_cycle(self) -> None:
"""A -> B -> C -> A is detected."""
a = _make_profile("a")
c = _make_profile("c")
b = _make_profile("b", includes=[_make_include(c, order_index=0)])
a.includes = [_make_include(b, order_index=0)]
c.includes = [_make_include(a, order_index=0)]
with pytest.raises(ProfileCycleError) as exc_info:
resolve_profile(a)
assert "a" in exc_info.value.cycle_path
assert "b" in exc_info.value.cycle_path
assert "c" in exc_info.value.cycle_path
def test_self_cycle(self) -> None:
"""A -> A is detected."""
a = _make_profile("a")
a.includes = [_make_include(a, order_index=0)]
with pytest.raises(ProfileCycleError) as exc_info:
resolve_profile(a)
assert exc_info.value.cycle_path == ["a", "a"]
def test_cycle_does_not_partially_resolve(self) -> None:
"""Cycle detection prevents any partial resolution."""
a = _make_profile("a", env_vars={"A": "a"})
b = _make_profile("b", env_vars={"B": "b"})
a.includes = [_make_include(b, order_index=0)]
b.includes = [_make_include(a, order_index=0)]
with pytest.raises(ProfileCycleError):
resolve_profile(a)
class TestResolveProfileDiamond:
"""Tests for diamond-shaped include graphs."""
def test_diamond_resolution(self) -> None:
"""Diamond graph resolves correctly without duplication issues."""
base = _make_profile("base", env_vars={"BASE": "base"})
left = _make_profile(
"left",
env_vars={"LEFT": "left"},
includes=[_make_include(base, order_index=0)],
)
right = _make_profile(
"right",
env_vars={"RIGHT": "right"},
includes=[_make_include(base, order_index=0)],
)
top = _make_profile(
"top",
env_vars={"TOP": "top"},
includes=[
_make_include(left, order_index=0),
_make_include(right, order_index=1),
],
)
result = resolve_profile(top)
# base should appear once (via left, then right skips because visited)
assert result.resolution_order == ["top", "left", "base", "right"]
assert result.environment_variables == {
"TOP": "top",
"LEFT": "left",
"RIGHT": "right",
"BASE": "base",
}
def test_diamond_override(self) -> None:
"""Diamond graph with conflicting overrides resolves correctly."""
base = _make_profile("base", env_vars={"KEY": "base"})
left = _make_profile(
"left",
env_vars={"KEY": "left"},
includes=[_make_include(base, order_index=0)],
)
right = _make_profile(
"right",
env_vars={"KEY": "right"},
includes=[_make_include(base, order_index=0)],
)
top = _make_profile(
"top",
includes=[
_make_include(left, order_index=0),
_make_include(right, order_index=1),
],
)
result = resolve_profile(top)
# right wins because it's later
assert result.environment_variables["KEY"] == "right"
assert result.env_var_sources["KEY"] == ["base", "left", "right"]
# Note: base appears once because visited set skips duplicate resolution in diamond graphs