Check test / spec files are named correctly

check_test_filenames.sh

#!/bin/sh

# Checks test files are named "_spec.rb" to match the RSpec globs property
# defined in .circleci/config.yml. This will fail the build if there are test
# files which don't match the required pattern. 

# Ignores first-level helper files (e.g. spec_helper.rb) and the spec/support,
# spec/factories, spec/shared_examples folders

set -eu

echo "Checking test files are named *_spec.rb to ensure being run on CI..."

TEST_FILE_PATTERN="_spec.rb"

findIncorrectTestFilenames() {
  find spec -mindepth 2 \
    -type f -name "*.rb" \
    -not -path "spec/support/*" \
    -not -path "spec/factories/*" \
    -not -path "spec/shared_examples/*" \
    | grep "$TEST_FILE_PATTERN" --invert-match
}

if findIncorrectTestFilenames; then
  echo "Rename the files as <name>$TEST_FILE_PATTERN or move to another directory"
  exit 1
fi