Update workflow to check code format

- Add code formatting check to the astarte-ctl-test workflow.
- Apply Black code formatting to the tests directory using the command
  `python -m black tests/`.

Signed-off-by: Osman Hadzic <[email protected]>

.github/workflows/astarte-ctl-test.yaml

@@ -139,7 +139,11 @@ jobs:
 
       - name: Install dependencies    
         shell: bash
-        run: pip install -e ./tests 
+        run: pip install -e ./tests
+
+      - name: Format check
+        shell: bash
+        run: python -m black -l 100 --diff --check tests/ 
 
       - name: Run tests 
         shell: bash

tests/app_engine/device/app_engine_device_get_samples/test_app_engine_device_get_samples_error_cases.py

@@ -36,7 +36,7 @@ def test_get_sample_data_for_nonexisting_device(astarte_env_vars):
     assert "Device not found" in sample_data_result.stderr
 
 
-def test_get_sample_data_for_nonexisting_interface(astarte_env_vars):
+def test_get_sample_data_for_existing_device(astarte_env_vars):
     device_id = astarte_env_vars["device_test_1"]
     astarte_url = astarte_env_vars["astarte_url"]
     realm = astarte_env_vars["realm"]

tests/conftest.py

@@ -20,4 +20,9 @@ def astarte_env_vars():
         astarte_url and realm and jwt
     ), "Environment variables for Astarte setup are not properly configured."
 
-    return {"astarte_url": astarte_url, "realm": realm, "jwt": jwt, "device_test_1": device_test_1}
+    return {
+        "astarte_url": astarte_url,
+        "realm": realm,
+        "jwt": jwt,
+        "device_test_1": device_test_1,
+    }

tests/pyproject.toml

@@ -13,6 +13,7 @@ authors = [
 ]
 dependencies = [
     "pytest>=7.0.0",
+    "black>=23.1.0"
 ]
 classifiers = [
     "Programming Language :: Python",
@@ -24,7 +25,7 @@ classifiers = [
 static = ["black", "pylint"]
 
 [tool.black]
-line-length = 88
+line-length = 100
 target-version = ["py312"]
 
 [tool.isort]