85 lines
3.9 KiB
Python
85 lines
3.9 KiB
Python
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import json
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from pathlib import Path
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import shutil
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from typer.testing import CliRunner
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from spriteforge.backend_registry import register_backend_contract
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from spriteforge.backends.base import Backend,BackendContext,RawAsset
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from spriteforge.backends.registry import register_backend
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from spriteforge.cache import input_hash
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from spriteforge.cli import app
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from spriteforge.manifest import AssetEntry,AssetSpec
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runner=CliRunner()
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def manifest_file(tmp_path):
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path=tmp_path/"assets.yaml"
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path.write_text("""\
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a_floor:
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backend: procedural
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generator: floor_tile
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params: {width: 24, height: 12, color: '#605040'}
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b_decal:
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backend: procedural
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generator: decal
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params: {width: 20, height: 10, color: '#904030'}
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""")
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return path
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def build(path,output,cache,*extra):
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return runner.invoke(app,["build",str(path),"--output",str(output),"--cache-dir",str(cache),*extra])
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def test_second_build_hits_artifact_cache(tmp_path):
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path=manifest_file(tmp_path);output=tmp_path/"out";cache=tmp_path/"cache"
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first=build(path,output,cache,"--jobs","2")
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assert first.exit_code==0 and "generated=2" in first.stdout
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second=build(path,output,cache,"--jobs","2")
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assert second.exit_code==0 and "artifact=2" in second.stdout and "generated=0" in second.stdout
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def test_raw_cache_survives_artifact_eviction(tmp_path):
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path=manifest_file(tmp_path);output=tmp_path/"out";cache=tmp_path/"cache"
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assert build(path,output,cache).exit_code==0
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shutil.rmtree(cache/"artifacts")
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repeated=build(path,output,cache)
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assert repeated.exit_code==0 and "raw=2" in repeated.stdout and "artifact=0" in repeated.stdout
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def test_metadata_tags_do_not_invalidate_render_or_artifact(tmp_path):
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path=manifest_file(tmp_path);output=tmp_path/"out";cache=tmp_path/"cache"
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assert build(path,output,cache).exit_code==0
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path.write_text(path.read_text().replace("a_floor:\n", "a_floor:\n tags: [environment]\n"))
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repeated=build(path,output,cache)
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assert repeated.exit_code==0 and "generated=0" in repeated.stdout and "artifact=2" in repeated.stdout
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index=json.loads((output/"index.json").read_text())
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assert next(item for item in index["assets"] if item["id"]=="a_floor")["tags"]==["environment"]
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def test_one_asset_change_preserves_other_and_palette(tmp_path):
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path=manifest_file(tmp_path);output=tmp_path/"out";cache=tmp_path/"cache"
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assert build(path,output,cache).exit_code==0
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old=json.loads((output/"index.json").read_text());old_items={x["id"]:x for x in old["assets"]};palette=old["palette"]["hash"]
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path.write_text(path.read_text().replace("#605040","#405870"))
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changed=build(path,output,cache,"--asset","a_floor")
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assert changed.exit_code==0 and "generated=1" in changed.stdout
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new=json.loads((output/"index.json").read_text());new_items={x["id"]:x for x in new["assets"]}
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assert new_items["b_decal"]==old_items["b_decal"]
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assert new_items["a_floor"]["hash"]!=old_items["a_floor"]["hash"]
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assert new["palette"]["hash"]==palette
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class DependencyBackend(Backend):
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name="dependency_test";version="1"
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def dependencies(self,spec,context):return (Path(spec.params["path"]),)
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def generate(self,spec,context)->RawAsset:raise AssertionError("not used")
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def test_dependency_bytes_invalidate_input_hash(tmp_path):
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register_backend_contract("dependency_test",lambda spec:None,replace=True)
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register_backend("dependency_test",DependencyBackend,replace=True)
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source=tmp_path/"source.bin";source.write_bytes(b"one")
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spec=AssetSpec(backend="dependency_test",params={"path":str(source)})
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entry=AssetEntry("thing",spec,tmp_path/"assets.yaml",1)
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before=input_hash(entry)[0];source.write_bytes(b"two");after=input_hash(entry)[0]
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assert before!=after
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def test_filtered_palette_rebuild_is_rejected(tmp_path):
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path=manifest_file(tmp_path)
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result=build(path,tmp_path/"out",tmp_path/"cache","--asset","a_floor","--rebuild-palette")
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assert result.exit_code==2 and "unfiltered full build" in result.stderr
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