python version tests (#16)

* python version tests

* readme

Co-authored-by: Hongyu Li <hongyu.li@jitsuin.com>

Author: HongyuLii

BUILDING.md

@@ -56,3 +56,64 @@ Note that this requires credentials and will only normally be done by a Jitsuin
 representative.
 
 
+## Testing Other Python Versions
+
+To build the docker builder image with default Python version 3.6:
+```bash
+task builder
+```
+
+To check the style
+```bash
+task check
+```
+
+To run the unittests:
+```bash
+task unittests
+```
+
+To build the docker builder image with Python 3.7:
+```bash
+task builder-3.7
+```
+
+To check the style
+```bash
+task check
+```
+
+To run the unittests:
+```bash
+task unittests
+```
+
+To build the docker builder image with Python 3.7:
+```bash
+task builder-3.8
+```
+
+To check the style
+```bash
+task check
+```
+
+To run the unittests:
+```bash
+task unittests
+```
+
+To build the docker builder image with Python 3.7:
+```bash
+task builder-3.8
+```
+
+To check the style
+```bash
+task check
+```
+
+To run the unittests:
+```bash
+task unittests
+```

Dockerfile-builder

@@ -1,4 +1,5 @@
-FROM python:3.6-buster
+ARG VERSION=3.6
+FROM python:${VERSION}-buster
 
 COPY requirements.txt requirements-dev.txt /tmp/
 

Taskfile.yml

@@ -12,12 +12,28 @@ tasks:
   builder:
     desc: Build a docker environment with the right dependencies and utilities
     cmds:
-      - docker build --no-cache -f Dockerfile-builder -t jitsuin-archivist-python-builder .
+      - docker build --no-cache --build-arg 3.6 -f Dockerfile-builder -t jitsuin-archivist-python-builder .
+
+  builder-3.7:
+    desc: Build a docker environment with the right dependencies and utilities
+    cmds:
+      - docker build --no-cache --build-arg 3.7 -f Dockerfile-builder -t jitsuin-archivist-python-builder .
+
+  builder-3.8:
+    desc: Build a docker environment with the right dependencies and utilities
+    cmds:
+      - docker build --no-cache --build-arg 3.8 -f Dockerfile-builder -t jitsuin-archivist-python-builder .
+  
+  builder-3.9:
+    desc: Build a docker environment with the right dependencies and utilities
+    cmds:
+      - docker build --no-cache --build-arg 3.9 -f Dockerfile-builder -t jitsuin-archivist-python-builder .
 
   check:
     desc: Check the style, bug and quality of the code
     deps: [about]
     cmds:
+      - ./scripts/builder.sh python3 --version
       - ./scripts/builder.sh pycodestyle --format=pylint archivist unittests examples
       - ./scripts/builder.sh python3 -m pylint --rcfile=pylintrc archivist unittests examples
 

scripts/unittests.sh

@@ -2,6 +2,7 @@
 #
 # run unittests
 #
+python3 --version
 
 rm -f coverage.xml
 rm -rf htmlcov