feat: use pytest

Instead of a custom validate script, just use pytest

.github/workflows/ci.yaml

@@ -7,7 +7,7 @@ on:
   pull_request:
 
 jobs:
-  validate:
+  test:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -19,5 +19,5 @@ jobs:
           cache: "pip"
       - name: Install dependencies
         run: pip install -r requirements.txt
-      - name: Validate collections
-        run: python scripts/validate_collections.py
+      - name: Test collections
+        run: pytest

requirements.in

@@ -1,2 +1,3 @@
 pip-tools
 pystac[validation]
+pytest

requirements.txt

@@ -10,18 +10,26 @@ build==1.0.3
     # via pip-tools
 click==8.1.7
     # via pip-tools
+iniconfig==2.0.0
+    # via pytest
 jsonschema==4.17.3
     # via pystac
 packaging==23.1
-    # via build
+    # via
+    #   build
+    #   pytest
 pip-tools==7.3.0
     # via -r requirements.in
+pluggy==1.3.0
+    # via pytest
 pyproject-hooks==1.0.0
     # via build
 pyrsistent==0.19.3
     # via jsonschema
 pystac[validation]==1.8.3
     # via -r requirements.in
+pytest==7.4.2
+    # via -r requirements.in
 python-dateutil==2.8.2
     # via pystac
 six==1.16.0

tests/test_collections.py

@@ -0,0 +1,13 @@
+from pathlib import Path
+
+import pytest
+from pystac import Collection
+
+ROOT = Path(__file__).parents[1]
+COLLECTIONS_PATH = ROOT / "ingestion-data" / "collections"
+
+
+@pytest.mark.parametrize("path", COLLECTIONS_PATH.rglob("*.json"))
+def test_validate(path: Path) -> None:
+    collection = Collection.from_file(str(path))
+    collection.validate()