Files
spectra/tests/test_config.py

102 lines
3.6 KiB
Python

import os
import tempfile
import yaml
from spectra.config import DEFAULT_CONFIG, _deep_merge, load_config
class TestLoadConfig:
def test_defaults_when_no_file(self):
cfg = load_config(path="/nonexistent/.spectra/config.yaml")
assert cfg["display"]["saturation"] == 0.5
assert cfg["display"]["orientation"] == 0
assert cfg["unsplash"]["access_key"] == ""
assert cfg["schedule"]["interval_hours"] == 1
def test_load_specific_path(self):
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
yaml.dump({"display": {"saturation": 0.8}}, f)
path = f.name
try:
cfg = load_config(path)
assert cfg["display"]["saturation"] == 0.8
assert cfg["display"]["orientation"] == 0
finally:
os.unlink(path)
def test_missing_path_logs_and_uses_defaults(self):
cfg = load_config("/nonexistent/path/config.yaml")
assert cfg["display"]["saturation"] == 0.5
def test_partial_merge_does_not_remove_other_keys(self):
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
yaml.dump({"display": {"saturation": 0.3}}, f)
path = f.name
try:
cfg = load_config(path)
assert cfg["display"]["saturation"] == 0.3
assert cfg["display"]["resolution"]["width"] == 1600
assert cfg["unsplash"]["access_key"] == ""
finally:
os.unlink(path)
def test_empty_file_uses_defaults(self):
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
f.write("")
path = f.name
try:
cfg = load_config(path)
assert cfg["display"]["saturation"] == 0.5
finally:
os.unlink(path)
def test_deep_merge_overrides_nested_key(self):
base = {"a": {"b": 1, "c": 2}, "d": 3}
override = {"a": {"b": 99}}
_deep_merge(base, override)
assert base["a"]["b"] == 99
assert base["a"]["c"] == 2
assert base["d"] == 3
def test_deep_merge_adds_new_keys(self):
base = {"a": 1}
override = {"b": 2}
_deep_merge(base, override)
assert base["a"] == 1
assert base["b"] == 2
def test_deep_merge_overrides_non_dict_with_dict(self):
base = {"a": 1}
override = {"a": {"b": 2}}
_deep_merge(base, override)
assert base["a"] == {"b": 2}
def test_default_config_not_mutated_by_load(self):
original_sat = DEFAULT_CONFIG["display"]["saturation"]
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
yaml.dump({"display": {"saturation": 0.9}}, f)
path = f.name
try:
load_config(path)
assert DEFAULT_CONFIG["display"]["saturation"] == original_sat
finally:
os.unlink(path)
def test_default_config_not_mutated_by_multiple_loads(self):
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
yaml.dump({"unsplash": {"query": "cats"}}, f)
path1 = f.name
with tempfile.NamedTemporaryFile(mode="w", suffix=".yaml", delete=False) as f:
yaml.dump({"unsplash": {"query": "dogs"}}, f)
path2 = f.name
try:
c1 = load_config(path1)
c2 = load_config(path2)
assert c1["unsplash"]["query"] == "cats"
assert c2["unsplash"]["query"] == "dogs"
assert DEFAULT_CONFIG["unsplash"]["query"] == ""
finally:
os.unlink(path1)
os.unlink(path2)