Switched automated testing platform to github actions.

Author: yellowcap

.github/workflows/lint_and_test.yml

@@ -0,0 +1,61 @@
+name: Automated testing for django-raster
+
+on: [push]
+
+jobs:
+  flake8:
+    name: Run the flake8 linter
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout package
+        uses: actions/checkout@v2
+        with:
+          path: .
+      - name: Install flake8
+        run: pip install flake8
+      - name: Lint with Flake8
+        run: flake8 .
+
+  isort:
+    name: Run the isort linter
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout package
+        uses: actions/checkout@v2
+        with:
+          path: .
+      - name: Install isort
+        run: pip install isort
+      - name: Lint with isort
+        run: isort --check --diff .
+
+  test:
+    name: Run django unit tests suite
+    runs-on: ubuntu-18.04
+    services:
+      postgres:
+        image: postgis/postgis:10-2.5
+        env:
+          # must specify password for PG Docker container image, see: https://registry.hub.docker.com/_/postgres?tab=description&page=1&name=10
+          POSTGRES_PASSWORD: password
+          POSTGRES_DB: raster_test
+        ports:
+          - 5432:5432
+        # needed because the postgres container does not provide a healthcheck
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+    steps:
+      - name: Checkout package
+        uses: actions/checkout@v2
+        with:
+          path: .
+      - name: Install dependencies
+        run: |
+          sudo apt-get install -y gdal-bin python3-pip
+          pip3 install --upgrade importlib-metadata
+          pip3 install celery==4.3.1 django numpy Pillow django-colorful pyparsing boto3 psycopg2-binary mock
+      - name: Run tests
+        run: PYTHONPATH=$PYTHONPATH:$PWD django-admin test ./tests
+        env:
+          DB_PASSWORD: password
+          DB_NAME: raster_test
+          DJANGO_SETTINGS_MODULE: tests.testproj.settings

.travis.yml

@@ -4,7 +4,7 @@
 import numpy
 
 ALGEBRA_PIXEL_TYPE_GDAL = 7
-ALGEBRA_PIXEL_TYPE_NUMPY = "Float64"
+ALGEBRA_PIXEL_TYPE_NUMPY = "float64"
 
 LPAR = "("
 RPAR = ")"

raster/algebra/const.py

@@ -24,12 +24,17 @@
         name='pixel',
     ),
 
-    # Raster legend endpoint
+    # Raster legend endpoints.
     url(
-        r'^legend(?:/(?P<legend_id>[^/]+))?/$',
+        r'^legend$',
         LegendView.as_view(),
         name='legend',
     ),
+    url(
+        r'^legend/(?P<legend_id>[^/]+)$',
+        LegendView.as_view(),
+        name='legend-detail',
+    ),
 
     # Exporter endpoint
     url(

raster/urls.py

@@ -432,7 +432,7 @@ def get_rgb(self, data):
 
 class LegendView(RasterView):
 
-    def get(self, request, legend_id):
+    def get(self, request, legend_id=None):
         """
         Returns the legend for this layer as a json string. The legend is a list of
         legend entries with the attributes "name", "expression" and "color".

raster/views.py

@@ -16,7 +16,7 @@ def test_tms_legend_url_from_layer_id(self):
         self.assertEqual(response.status_code, 200)
 
     def test_tms_legend_url_error_wrong_legend_id(self):
-        url = reverse('legend', kwargs={'legend_id': '9999'})
+        url = reverse('legend-detail', kwargs={'legend_id': '9999'})
         response = self.client.get(url)
         self.assertEqual(response.status_code, 404)
 
@@ -31,7 +31,7 @@ def test_tms_legend_url_error_no_id(self):
         self.assertEqual(response.status_code, 404)
 
     def test_tms_legend_url_from_legend_id(self):
-        url = reverse('legend', kwargs={'legend_id': self.legend.id})
+        url = reverse('legend-detail', kwargs={'legend_id': self.legend.id})
         response = self.client.get(url)
         self.assertEqual(
             json.loads(response.content.strip().decode()),

tests/test_code_sanity.py

@@ -43,6 +43,7 @@
             'context_processors': [
                 'django.contrib.auth.context_processors.auth',
                 'django.contrib.messages.context_processors.messages',
+                'django.template.context_processors.request',
             ],
         },
     },
@@ -54,3 +55,5 @@
 
 CELERY_TASK_ALWAYS_EAGER = True
 CELERY_TASK_EAGER_PROPAGATES = True
+
+DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'