#!/bin/bash

set -euo pipefail

# Get OS and architecture details.

source /etc/os-release

ARCH=$(uname -m)

WORKING_DIRECTORY=/usr/libexec/osbuild-composer

IMAGE_TEST_CASE_RUNNER=/usr/libexec/osbuild-composer-test/osbuild-image-tests

IMAGE_TEST_CASES_PATH=/usr/share/tests/osbuild-composer/manifests

PASSED_TESTS=()

FAILED_TESTS=()

# Print out a nice test divider so we know when tests stop and start.

test_divider () {

    printf "%0.s-" {1..78} && echo

}

# Get a list of test cases.

get_test_cases () {

    # if the distro is RHEL 8.4 the test case selector needs the minor release number

    if [[ "${ID}-${VERSION_ID}" == "rhel-8.4" ]]; then

        TEST_CASE_SELECTOR="${ID}_${VERSION_ID//.}-${ARCH}"

    # otherwise the minor release number can be dropped

    else

        TEST_CASE_SELECTOR="${ID}_${VERSION_ID%.*}-${ARCH}"

    fi

    pushd $IMAGE_TEST_CASES_PATH > /dev/null

        ls "$TEST_CASE_SELECTOR"*.json

    popd > /dev/null

}

# Run a test case and store the result as passed or failed.

run_test_case () {

    TEST_RUNNER=$1

    TEST_CASE_FILENAME=$2

    TEST_NAME=$(basename "$TEST_CASE_FILENAME")

    echo

    test_divider

    echo "🏃🏻 Running test: ${TEST_NAME}"

    test_divider

    # Set up the testing command with Azure secrets in the environment.

    #

    # This works by having a text file stored in Jenkins credentials.

    # In Jenkinsfile, the following line assigns the path to this secret file

    # to an environment variable called AZURE_CREDS:

    # AZURE_CREDS = credentials('azure')

    #

    # The file is in the following format:

    # KEY1=VALUE1

    # KEY2=VALUE2

    #

    # Using `env $(cat $AZURE_CREDS)` we can take all the key-value pairs and

    # save them as environment variables.

    # Read test/README.md to see all required environment variables for Azure

    # uploads

    #

    # AZURE_CREDS might not be defined in all cases (e.g. Azure doesn't

    # support aarch64), therefore the following line sets AZURE_CREDS to

    # /dev/null if the variable is undefined.

    AWS_CREDS=${AWS_IMAGE_TEST_CREDS-/dev/null}

    AZURE_CREDS=${AZURE_CREDS-/dev/null}

    OPENSTACK_CREDS=${OPENSTACK_CREDS-/dev/null}

    VCENTER_CREDS=${VCENTER_CREDS-/dev/null}

    TEST_CMD="env $(cat "$AWS_CREDS" "$AZURE_CREDS" "$OPENSTACK_CREDS" "$VCENTER_CREDS") BRANCH_NAME=${BRANCH_NAME-main} BUILD_ID=$BUILD_ID DISTRO_CODE=$DISTRO_CODE $TEST_RUNNER -test.v ${IMAGE_TEST_CASES_PATH}/${TEST_CASE_FILENAME}"

    # Run the test and add the test name to the list of passed or failed

    # tests depending on the result.

    # shellcheck disable=SC2086 # We need to pass multiple arguments here.

    if sudo $TEST_CMD 2>&1 | tee "${WORKSPACE}"/"${TEST_NAME}".log; then

        PASSED_TESTS+=("$TEST_NAME")

    else

        FAILED_TESTS+=("$TEST_NAME")

    fi

    test_divider

    echo

}

# Provision the software under tet.

/usr/libexec/osbuild-composer-test/provision.sh

# Change to the working directory.

cd $WORKING_DIRECTORY

# Run each test case.

for TEST_CASE in $(get_test_cases); do

    run_test_case $IMAGE_TEST_CASE_RUNNER "$TEST_CASE"

done

# Print a report of the test results.

test_divider

echo "😃 Passed tests: " "${PASSED_TESTS[@]}"

echo "☹ Failed tests: " "${FAILED_TESTS[@]}"

test_divider

# Exit with a failure if tests were executed and any of them failed.

if [ ${#PASSED_TESTS[@]} -gt 0 ] && [ ${#FAILED_TESTS[@]} -eq 0 ]; then

    echo "🎉 All tests passed."

    exit 0

else

    echo "🔥 One or more tests failed."

    exit 1

fi