feat: add GitHub Actions workflow for running tests on push and pull request

tests/test_pack.py

@@ -3,6 +3,7 @@ import tempfile
 import tomllib
 import unittest
 from pathlib import Path
+from unittest.mock import patch
 from zipfile import ZipFile
 
 
@@ -23,10 +24,18 @@ class PackTest(unittest.TestCase):
     def test_builds_platform_specific_extension_zips(self):
         pack = load_pack()
         with tempfile.TemporaryDirectory() as directory:
+            directory_path = Path(directory)
+            wheel_path = directory_path / "blendjob-0.1.13-py3-none-any.whl"
+            wheel_path.write_bytes(b"wheel")
             original_dist = pack.DIST_DIR
-            pack.DIST_DIR = Path(directory)
+            pack.DIST_DIR = directory_path / "dist"
             try:
-                output_paths = pack.build_all()
+                with patch.object(
+                    pack,
+                    "download_wheels",
+                    return_value=[wheel_path],
+                ):
+                    output_paths = pack.build_all()
             finally:
                 pack.DIST_DIR = original_dist
 
@@ -105,6 +114,32 @@ class PackTest(unittest.TestCase):
                     manifest.split("platforms =", 1)[-1],
                 )
 
+    def test_reads_extension_dependencies_from_pyproject(self):
+        pack = load_pack()
+        self.assertEqual(pack.project_dependencies(), ["blendjob==0.1.13"])
+
+    def test_downloads_declared_wheels_for_target_platform(self):
+        pack = load_pack()
+        with tempfile.TemporaryDirectory() as directory:
+            destination = Path(directory)
+
+            def fake_run(command, check):
+                self.assertTrue(check)
+                (destination / "blendjob-0.1.13-py3-none-any.whl").write_bytes(
+                    b"wheel"
+                )
+
+            with patch.object(pack.subprocess, "run", side_effect=fake_run) as run:
+                wheels = pack.download_wheels("linux-x64", destination)
+
+        command = run.call_args.args[0]
+        self.assertIn("blendjob==0.1.13", command)
+        self.assertIn("--python-version=3.11", command)
+        self.assertIn("--platform=manylinux2014_x86_64", command)
+        self.assertEqual(
+            [wheel.name for wheel in wheels],
+            ["blendjob-0.1.13-py3-none-any.whl"],
+        )
     def test_rejects_unknown_platform(self):
         pack = load_pack()
         with self.assertRaisesRegex(ValueError, "Unsupported platform"):