test: run mypy in test-src not in GH actions

.github/workflows/checks.yml

@@ -74,15 +74,3 @@ jobs:
             -k autopep8 \
             --rootdir=. \
             -v
-
-  mypy:
-    name: "Mypy check"
-    runs-on: ubuntu-latest
-    steps:
-      - name: Clone repo
-        uses: actions/checkout@v2
-      - name: Check files with mypy
-        run: |
-          sudo apt install python3-pip -y
-          sudo pip install mypy types-pyyaml jsonschema mako
-          mypy osbuild

test/src/test_pylint.py

@@ -57,6 +57,17 @@ def test_pylint(source_files):
         pytest.fail("pylint issues detected")
 
 
+@pytest.mark.skipif(not test.TestBase.have_mypy(), reason="mypy not available")
+def test_mypy():
+    #
+    # Run `mypy` on osbuild sources.
+    #
+
+    r = subprocess.run(["mypy", "osbuild/"], check=False)
+    if r.returncode != 0:
+        pytest.fail("mypy issues detected")
+
+
 @pytest.mark.skipif(not test.TestBase.have_autopep8(), reason="autopep8 not available")
 def test_autopep8(source_files):
     r = subprocess.run(["autopep8-3", "--diff", "--exit-code"] + source_files, check=False)

test/test.py

@@ -185,6 +185,24 @@ class TestBase(unittest.TestCase):
 
         return r.returncode == 0 and "autopep8" in r.stdout
 
+    @staticmethod
+    def have_mypy() -> bool:
+        """Check mypy Availability
+
+        This checks whether `mypy` is available in the current path and
+        can be called by this process.
+        """
+
+        try:
+            r = subprocess.run(
+                ["mypy", "--version"],
+                encoding="utf-8", stdout=subprocess.PIPE, check=False
+            )
+        except FileNotFoundError:
+            return False
+
+        return r.returncode == 0 and "mypy" in r.stdout
+
     @staticmethod
     def have_rpm_ostree() -> bool:
         """Check rpm-ostree Availability