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#!/bin/bash

set -eu

IMAGE_ID=$1

function desc() {

echo "================================"

echo -n "TEST: "

echo "$@"

echo "================================"

}

function test() {

docker run --rm -e DEBIAN_FRONTEND=noninteractive "$IMAGE_ID" "$@"

echo ""

echo TEST: OK

echo ""

}

desc "Checking that apt is installed"

test dpkg -l apt

desc "Checking that a package can be installed with apt"

test bash -c 'apt-get update && apt-get -y install less && less --help >/dev/null'

desc "Checking that a package can be installed with install_packages and that it removes cache dirs"

test bash -c 'install_packages less && less --help >/dev/null && [ ! -e /var/cache/apt/archives ] && [ ! -e /var/lib/apt/lists ]'

desc "Checking that the debootstrap dir wasn't left in the image"

test bash -c '[ ! -e /debootstrap ]'

desc "Check that all base packages are correctly installed, including dependencies"

# Ask apt to install all packages that are already installed, has the effect of checking the

# dependencies are correctly available

test bash -c 'apt-get update && (dpkg-query -W -f \${Package} | while read pkg; do apt-get install $pkg; done)'

desc "Check that install_packages doesn't loop forever on failures"

# This won't install and will fail. The key is that the retry loop will stop after a few iterations.

# We check that we didn't install the package afterwards, just in case a package gets added with that name.

# We wrap the whole thing in a timeout so that it doesn't loop forever. It's not ideal to have a timeout as there may be spurious failures if the network is slow.

test bash -c 'timeout 60 bash -c "(install_packages thispackagebetternotexist || true) && ! dpkg -l thispackagebetternotexist"'

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