More verification API tests

.gitignore

@@ -20,3 +20,6 @@ build
 !sigstore/_store/*.crt
 !sigstore/_store/*.pem
 !sigstore/_store/*.pub
+!test/assets/*.txt
+!test/assets/*.crt
+!test/assets/*.sig

test/assets/a.txt

@@ -0,0 +1,5 @@
+DO NOT MODIFY ME!
+
+this is "a.txt", a sample input for sigstore-python's unit tests.
+
+DO NOT MODIFY ME!

test/assets/a.txt.crt

@@ -0,0 +1,28 @@
+-----BEGIN CERTIFICATE-----
+MIIEfjCCBAWgAwIBAgIUf/SsSCcPgO7o0yKoONG3Vz/RdzIwCgYIKoZIzj0EAwMw
+NzEVMBMGA1UEChMMc2lnc3RvcmUuZGV2MR4wHAYDVQQDExVzaWdzdG9yZS1pbnRl
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+AjBk/QR+Nif+U8CfM9bqs9SEww+KEykj+uyAud/C/qt97HsI7j7I2ECuy3SJL6vW
+l7I=
+-----END CERTIFICATE-----
+

test/assets/a.txt.sig

@@ -0,0 +1 @@
+MGUCMQDVGmInKk9wYEfCmnp+kPnLYM/P5B9FXR8Ec7AoLRrq+qExIWS9gcg0GPPYbFkqX7gCMAsGbuVHKJedWNF6vnV4J+3p8u8MhKvBTP+gBVeSZU1CuvULwDfU15EDEwgitIBgiA==

test/assets/b.txt

@@ -0,0 +1,5 @@
+DO NOT MODIFY ME!
+
+this is "b.txt", a sample input for sigstore-python's unit tests.
+
+DO NOT MODIFY ME!

test/assets/b.txt.crt

@@ -0,0 +1,28 @@
+-----BEGIN CERTIFICATE-----
+MIIEfzCCBAWgAwIBAgIUXTEFeZc82/onXSK7L3gOx5ZryQYwCgYIKoZIzj0EAwMw
+NzEVMBMGA1UEChMMc2lnc3RvcmUuZGV2MR4wHAYDVQQDExVzaWdzdG9yZS1pbnRl
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+afT2
+-----END CERTIFICATE-----
+

test/assets/b.txt.sig

@@ -0,0 +1 @@
+MGYCMQCI3sfFtuJ+nyZEhK7HrJNE9OczNsXAJDOoE25rjLMb1sy8uSRdAEz9FORDSW9g6OsCMQCbroOxfpnr77LkvVZqbdRvnAaa3ZJBWXSnz1EiYnJ3OWBWp+699o9b8u0AxiPnofI=

test/conftest.py

@@ -0,0 +1,33 @@
+# Copyright 2022 The Sigstore Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from pathlib import Path
+from typing import Tuple
+
+import pytest
+
+_ASSETS = (Path(__file__).parent / "assets").resolve()
+assert _ASSETS.is_dir()
+
+
+@pytest.fixture
+def signed_asset():
+    def _signed_asset(name: str) -> Tuple[bytes, bytes, bytes]:
+        file = _ASSETS / name
+        cert = _ASSETS / f"{name}.crt"
+        sig = _ASSETS / f"{name}.sig"
+
+        return (file.read_bytes(), cert.read_bytes(), sig.read_bytes())
+
+    return _signed_asset

test/test_verify.py

@@ -30,6 +30,22 @@ def test_verifier_staging():
     assert verifier is not None
 
 
+def test_verifier_one_verification(signed_asset):
+    a_assets = signed_asset("a.txt")
+
+    verifier = Verifier.staging()
+    assert verifier.verify(a_assets[0], a_assets[1], a_assets[2])
+
+
+def test_verifier_multiple_verifications(signed_asset):
+    a_assets = signed_asset("a.txt")
+    b_assets = signed_asset("b.txt")
+
+    verifier = Verifier.staging()
+    for assets in [a_assets, b_assets]:
+        assert verifier.verify(assets[0], assets[1], assets[2])
+
+
 def test_verify_result_boolish():
     assert not VerificationFailure(reason="foo")
     assert not CertificateVerificationFailure(reason="foo", exception=ValueError("bar"))