#!/bin/bash

#

# Runs tests and static analysis on Python files.

# Exit on first failure.

set -e

# Echo commands before executing them, by default to stderr.

set -x

# Exit on unset variable.

set -u

# Delete pyc files from previous builds.

find . \

-name '*.pyc' \

-type f \

-not -path './venv/*' \

-delete

# Run unit tests and calculate code coverage.

# Load module `app.log` to initialize our custom logger.

./venv/bin/coverage run \

--source app/ \

--omit '*_test.py' \

--module \

unittest discover --pattern '*_test.py' \

app.log

./venv/bin/coverage report

# Check for Python init files.

INIT_FILES_OK=true

while read -r directory; do

if [[ ! -f "${directory}/__init__.py" ]]; then

printf "Directory missing __init__.py file: %s\n" "${directory}" >&2

INIT_FILES_OK=false

fi

done < <(

find . \

-type f \

-name '*.py' \

-not -path './venv/*' \

-not -path './.git/*' \

-not -path './node_modules/*' \

-exec dirname {} \; \

| sort --unique

)

"${INIT_FILES_OK}" || exit 1

# Check that source has correct formatting.

./venv/bin/yapf \

--diff \

--recursive \

--exclude 'node_modules/*' \

./

# Run static analysis for Python bugs/cruft.

./venv/bin/ruff check \

./

# Gather names of all Python scripts in the scripts/ folder.

PYTHON_SCRIPTS=()

while read -r line; do

PYTHON_SCRIPTS+=("${line}")

done < <(grep --recursive --files-with-matches '^#!.*python' scripts/)

readonly PYTHON_SCRIPTS

# Check for other style violations.

PYTHONPATH='app/' \

./venv/bin/pylint \

app/ \

"${PYTHON_SCRIPTS[@]}"