Add docker from scratch integration test

tests/integration/09_docker.sh

@@ -0,0 +1,80 @@
+#!/bin/bash
+
+export LUET_NOLOCK=true
+
+oneTimeSetUp() {
+export tmpdir="$(mktemp -d)"
+}
+
+oneTimeTearDown() {
+    rm -rf "$tmpdir"
+}
+
+testBuild() {
+    mkdir $tmpdir/testbuild
+    luet build --tree "$ROOT_DIR/tests/fixtures/docker" --destination $tmpdir/testbuild --compression gzip --all > /dev/null
+    buildst=$?
+    assertEquals 'builds successfully' "$buildst" "0"
+    assertTrue 'create package' "[ -e '$tmpdir/testbuild/alpine-seed-1.0.package.tar.gz' ]"
+}
+
+testRepo() {
+    assertTrue 'no repository' "[ ! -e '$tmpdir/testbuild/repository.yaml' ]"
+    luet create-repo --tree "$ROOT_DIR/tests/fixtures/docker" \
+    --output $tmpdir/testbuild \
+    --packages $tmpdir/testbuild \
+    --name "test" \
+    --descr "Test Repo" \
+    --urls $tmpdir/testrootfs \
+    --type disk > /dev/null
+
+    createst=$?
+    assertEquals 'create repo successfully' "$createst" "0"
+    assertTrue 'create repository' "[ -e '$tmpdir/testbuild/repository.yaml' ]"
+}
+
+testConfig() {
+    mkdir $tmpdir/testrootfs
+    cat <<EOF > $tmpdir/luet.yaml
+general:
+  debug: true
+system:
+  rootfs: /
+  database_path: "/"
+  database_engine: "boltdb"
+repositories:
+   - name: "main"
+     type: "disk"
+     enable: true
+     urls:
+       - "$tmpdir/testbuild"
+EOF
+    luet config --config $tmpdir/luet.yaml
+    res=$?
+    assertEquals 'config test successfully' "$res" "0"
+}
+
+# We test the Docker image generated with the current code that doesn't break
+# from scratch installations of packages.
+testInstall() {
+    docker build --rm --no-cache -t luet:test .
+    docker rm luet-runtime-test || true
+    docker run --name luet-runtime-test \
+       -ti -v /tmp:/tmp \
+       -v $tmpdir/luet.yaml:/etc/luet/.luet.yaml:ro \
+       luet:test install seed/alpine
+    installst=$?
+    assertEquals 'install test successfully' "0" "$installst"
+
+    docker commit luet-runtime-test luet-runtime-test-image
+    test=$(docker run --rm -t --entrypoint /bin/sh luet-runtime-test-image -c 'echo "ftw"')
+    assertContains 'generated image runs successfully' "$test" "ftw"
+   # docker rm luet-runtime-test || true
+   # docker rmi luet-runtime-test-image || true
+
+   # docker rmi luet:test || true
+}
+
+# Load shUnit2.
+. "$ROOT_DIR/tests/integration/shunit2"/shunit2
+