Create a test harness

Makefile

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+# This marks the "test" target as 'phony', which means that it isn't based on actual
+# files. Make has a ton of magic in it, and one of the bits of magic is it won't
+# rebuild a target if it doesn't think any of its dependencies have changed. Phony
+# means its not based on on-disk targets, so always build it when invoked
+.PHONY: test
+
+# The test target makes sure all docker images are up to date and runs the test
+# suite
+test:
+	docker-compose down && docker-compose build test && docker-compose run test && docker-compose down

docker-compose.yml

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+# The full docker-compose spec is available here: https://docs.docker.com/compose/compose-file/#reference-and-guidelines
+version: '3'
+
+# docker-compose allows you to bundle a bunch of docker concepts together into
+# a unit that all needs to be run at this same time. This could be many containers,
+# volumes, or the networking between them all. 
+services:
+
+  # our test service is the image built specifically to run our test environment,
+  # and if we ever get CI/CD setup it will be what we run
+  test:
+    build: 
+      context: .
+      dockerfile: docker/test/Dockerfile
+
+    # we unfortunately can't invode "pytest" directly due to some weirdness with
+    # how Ananaconda sets up environments, so we use a wrapper script. This is
+    # run inside the docker container when it boots up
+    command: "./test.sh"

docker/test/Dockerfile

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+# This is the official Ananaconda Dockerfile maintained by ContinuumIO. At some point
+# we will probably want to peg this to a specific version that TSTools supports
+FROM continuumio/anaconda3
+
+# Create a directory for our code
+RUN mkdir -p /tstools
+
+# Copy in the Library code
+COPY ./python/src /tstools/src
+
+# Copy in the test code
+COPY ./python/tests /tstools/tests
+
+# Tell Docker that we want to do the rest of our work from this directory
+WORKDIR /tstools
+
+# Copy in our test harness
+COPY ./shell/python-tests.sh ./test.sh
+
+# Make our test runner executable in the Docker container (not the local one)
+RUN chmod +x ./test.sh
+
+# Set Bash as our entry
+ENTRYPOINT [ "/bin/bash" ]

python/src/timeSeries/__init__.py

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+__version__ = '0.0.1'

python/templates/module/__init__.py

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+__version__ = '0.0.0'

python/tests/timeSeries/readUnrTxyz2_test.py

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+import sys
+sys.path.append("./src")
+
+import timeSeries as ts
+
+def test_readUnrTxyz2():
+    assert True == True

shell/python-tests.sh

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+# initialize Anaconda
+. /opt/conda/bin/activate
+
+# Run our test suite
+pytest