Use pytest + minor improvements

Author: montyly

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu-latest", "windows-2022"]
-        type: ["brownie", "buidler", "dapp", "embark", "etherlime", "hardhat", "solc", "truffle", "waffle", "foundry", "metadata"]
+        type: ["brownie", "buidler", "dapp", "embark", "etherlime", "hardhat", "solc", "truffle", "waffle", "foundry"]
         exclude:
           # Currently broken, tries to pull git:// which is blocked by GH
           - type: embark

.github/workflows/pytest.yml

@@ -0,0 +1,37 @@
+name: Pytest
+
+defaults:
+  run:
+    # To load bashrc
+    shell: bash -ieo pipefail {0}
+
+on:
+  push:
+    branches:
+      - main
+      - dev
+  pull_request:
+    branches: [main, dev]
+  schedule:
+    # run CI every day even if no PRs/merges occur
+    - cron:  '0 12 * * *'
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v1
+      with:
+        python-version: 3.8
+
+        # Used by ci_test.sh
+    - name: Install dependencies
+      run: |
+        python setup.py install
+        pip install pytest
+    - name: Run Tests
+      run: |
+        pytest tests/test_metadata.py

crytic_compile/source_unit.py

@@ -559,7 +559,7 @@ def metadata_of(self, name: str) -> Dict[str, Union[str, bool]]:
         # the metadata is at the end of the runtime(!) bytecode
         try:
             bytecode = self._runtime_bytecodes[name]
-            print('runtime bytecode', bytecode)
+            print("runtime bytecode", bytecode)
         except:
             raise ValueError(  # pylint: disable=raise-missing-from
                 f"contract {name} does not exist"