53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
import importlib.machinery
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import importlib.util
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import sys
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from pathlib import Path
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from types import ModuleType
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def _load_signature_cli(monkeypatch):
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sqlalchemy_mod = ModuleType("sqlalchemy")
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sqlalchemy_mod.text = lambda value: value
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core_mod = ModuleType("core")
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database_mod = ModuleType("core.database")
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database_mod.engine = object()
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monkeypatch.setitem(sys.modules, "sqlalchemy", sqlalchemy_mod)
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monkeypatch.setitem(sys.modules, "core", core_mod)
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monkeypatch.setitem(sys.modules, "core.database", database_mod)
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path = Path(__file__).resolve().parent.parent / "scripts" / "odysseus-signature"
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loader = importlib.machinery.SourceFileLoader("odysseus_signature_cli_under_test", str(path))
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spec = importlib.util.spec_from_loader(loader.name, loader)
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module = importlib.util.module_from_spec(spec)
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loader.exec_module(module)
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return module
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def test_decode_png_data_accepts_data_url(monkeypatch):
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cli = _load_signature_cli(monkeypatch)
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png = b"\x89PNG\r\n\x1a\nrest"
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assert cli._decode_png_data("data:image/png;base64,iVBORw0KGgpyZXN0") == png
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def test_decode_png_data_rejects_invalid_base64(monkeypatch):
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cli = _load_signature_cli(monkeypatch)
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try:
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cli._decode_png_data("not valid!!!")
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except SystemExit as exc:
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assert exc.code == 1
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else:
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raise AssertionError("expected invalid base64 to exit")
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def test_decode_png_data_rejects_non_png_bytes(monkeypatch):
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cli = _load_signature_cli(monkeypatch)
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try:
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cli._decode_png_data("aGVsbG8=")
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except SystemExit as exc:
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assert exc.code == 1
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else:
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raise AssertionError("expected non-PNG bytes to exit")
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