Include python 3.8 i ci test runs & optimise CI and make config

.github/workflows/ci.yml

@@ -10,11 +10,17 @@ jobs:
     name: Consult black on python formatting
 
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-python@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
         with:
           python-version: 3.7
       - uses: Gr1N/setup-poetry@v2
+      - uses: actions/cache@v2
+        with:
+          path: ~/.cache/pypoetry/virtualenvs
+          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-poetry-
       - name: Install dependencies
         run: poetry install
       - name: Run black
@@ -25,25 +31,37 @@ jobs:
 
     name: Run tests with tox
 
+    strategy:
+      matrix:
+        python-version: [ '3.6', '3.7', '3.8']
+
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-python@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: ${{ matrix.python-version }}
       - uses: Gr1N/setup-poetry@v2
+      - uses: actions/cache@v2
+        with:
+          path: ~/.cache/pypoetry/virtualenvs
+          key: ${{ runner.os }}-poetry-${{ hashFiles('poetry.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-poetry-
       - name: Install dependencies
         run: |
           sudo apt install protobuf-compiler libprotobuf-dev
           poetry install
       - name: Run tests
-        run: make full-test
+        run: |
+          make generate
+          make test
 
   build-release:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-python@v1
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
         with:
           python-version: 3.7
       - uses: Gr1N/setup-poetry@v2

Makefile

@@ -1,3 +1,5 @@
+.PHONY: help setup generate test types format clean plugin full-test check-style
+
 help:               ## - Show this help.
 	@fgrep -h "##" $(MAKEFILE_LIST) | fgrep -v fgrep | sed -e 's/\\$$//' | sed -e 's/##//'
 
@@ -27,13 +29,13 @@ clean:						  ## - Clean out generated files from the workspace
 
 # By default write plugin output to a directory called output
 o=output
-plugin:             ##	- Execute the protoc plugin, with output writte to `output` or the value passed to `-o`
+plugin:             ## - Execute the protoc plugin, with output write to `output` or the value passed to `-o`
 	mkdir -p $(o)
 	protoc --plugin=protoc-gen-custom=betterproto/plugin.py $(i) --custom_out=$(o)
 
 # CI tasks
 
-full-test: generate ##	- Run full testing sequence
+full-test: generate ## - Run full testing sequence with multiple pythons
 	poetry run tox
 
 check-style:        ## - Check if code style is correct

README.md

@@ -351,10 +351,9 @@ Custom tests are found in `tests/test_*.py` and are run with pytest.
 Here's how to run the tests.
 
 ```sh
-# Generate assets from sample .proto files
+# Generate assets from sample .proto files required by the tests
 make generate
-
-# Run all tests
+# Run the tests
 make test
 ```
 

pyproject.toml

@@ -47,7 +47,7 @@ omit = ["betterproto/tests/*"]
 legacy_tox_ini = """
 [tox]
 isolated_build = true
-envlist = py36, py37
+envlist = py36, py37, py38
 
 [testenv]
 whitelist_externals = poetry