add tests for stac projection extension 2.0 (#783)

* add tests for stac projection extension 2.0

* skip if <3.10

tests/fixtures/stac_proj_2_0.json

@@ -0,0 +1,94 @@
+{
+  "stac_version": "0.9.0",
+  "stac_extensions": [
+    "https://stac-extensions.github.io/file/v2.1.0/schema.json",
+    "https://stac-extensions.github.io/projection/v2.0.0/schema.json"
+  ],
+  "type": "Feature",
+  "id": "JQT-123456789",
+  "bbox": [-81.3085227080129, 32.10817938759764, -78.81735409341113, 34.22870275071835],
+  "geometry": {
+    "type": "Polygon",
+    "coordinates": [
+        [
+            [
+                -81.3085227080129,
+                32.10817938759764
+            ],
+            [
+                -78.81735409341113,
+                32.10817938759764
+            ],
+            [
+                -78.81735409341113,
+                34.22870275071835
+            ],
+            [
+                -81.3085227080129,
+                34.22870275071835
+            ],
+            [
+                -81.3085227080129,
+                32.10817938759764
+            ]
+        ]
+    ]
+  },
+  "properties": {
+    "proj:code": "EPSG:32617",
+    "proj:shape": [
+      259,
+      255
+    ],
+    "proj:transform": [
+      900.0,
+      0.0,
+      471585.0,
+      0.0,
+      -900.0,
+      3787515.0,
+      0.0,
+      0.0,
+      1.0
+    ],
+    "datetime": "2016-05-03T13:21:30.040Z",
+    "collection": "JQT"
+  },
+  "links": [
+    {
+      "rel": "self",
+      "href": "http://cool-sat.com/catalog/JQT/a-fake-item.json"
+    },
+    {
+      "rel": "collection",
+      "href": "http://cool-sat.com/catalog.json"
+    }
+  ],
+  "assets": {
+    "red": {
+      "href": "http://somewhere-over-the-rainbow.io/red.tif",
+      "title": "red",
+      "file:header_size": 16384
+    },
+    "green": {
+        "href": "http://somewhere-over-the-rainbow.io/green.tif",
+        "title": "green",
+        "file:header_size": 30000
+    },
+    "blue": {
+        "href": "http://somewhere-over-the-rainbow.io/blue.tif",
+        "title": "blue",
+        "file:header_size": 20000
+    },
+    "lowres": {
+        "href": "http://somewhere-over-the-rainbow.io/lowres.tif",
+        "title": "lowres"
+    },
+    "thumbnail": {
+      "href": "http://cool-sat.com/catalog/a-fake-item/thumbnail.png",
+      "title": "Thumbnail",
+      "type": "image/png",
+      "roles": [ "thumbnail" ]
+    }
+  }
+}

tests/test_io_stac.py

@@ -33,6 +33,7 @@
 PREFIX = os.path.join(os.path.dirname(__file__), "fixtures")
 STAC_PATH = os.path.join(PREFIX, "stac.json")
 STAC_PATH_PROJ = os.path.join(PREFIX, "stac_proj.json")
+STAC_PATH_PROJ_2_0 = os.path.join(PREFIX, "stac_proj_2_0.json")
 STAC_REL_PATH = os.path.join(PREFIX, "stac_relative.json")
 STAC_GDAL_PATH = os.path.join(PREFIX, "stac_headers.json")
 STAC_RASTER_PATH = os.path.join(PREFIX, "stac_raster.json")
@@ -152,7 +153,7 @@ def raise_for_status(self):
     assert s3_get.call_args[0] == ("somewhereovertherainbow.io", "mystac.json")
 
 
-@pytest.mark.skipif(sys.version_info < (3, 9), reason="requires python3.9 or higher")
+@pytest.mark.skipif(sys.version_info < (3, 10), reason="requires python3.9 or higher")
 def test_projection_extension():
     """Test STAC with the projection extension."""
     with STACReader(STAC_PATH_PROJ) as stac:
@@ -161,6 +162,12 @@ def test_projection_extension():
         assert stac.bounds
         assert stac.crs == CRS.from_epsg(32617)
 
+    with STACReader(STAC_PATH_PROJ_2_0) as stac:
+        assert stac.minzoom == 6
+        assert stac.maxzoom == 7
+        assert stac.bounds
+        assert stac.crs == CRS.from_epsg(32617)
+
     with STACReader(STAC_PATH_PROJ, minzoom=4, maxzoom=8) as stac:
         assert stac.minzoom == 4
         assert stac.maxzoom == 8