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test.bats
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test.bats
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#!/usr/bin/env bats
export SYSTEM_NAME="$(uname -s | tr '[:upper:]' '[:lower:]')"
export BIN_FILE="build/$SYSTEM_NAME/docker-image-labeler-amd64"
setup() {
make prebuild $BIN_FILE
docker image rm hello-world:latest 2>/dev/null || true
docker image rm alpine:latest 2>/dev/null || true
docker image rm alpine/git:v2.30.0 2>/dev/null || true
docker container rm hello-test 2>/dev/null || true
}
teardown() {
true
}
@test "version" {
run $BIN_FILE version
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run $BIN_FILE -v
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run $BIN_FILE --version
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
}
@test "failing arguments" {
run $BIN_FILE relabel
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
run $BIN_FILE relabel hello-world
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
run $BIN_FILE relabel hello-world --label
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
run $BIN_FILE relabel hello-world --remove-label
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
run $BIN_FILE relabel hello-world --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
docker image pull hello-world:latest
run $BIN_FILE relabel hello-world --label =value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 1 ]]
}
@test "layer length does not change" {
docker image pull hello-world:latest
run /bin/bash -c "docker image inspect hello-world:latest --format '{{ .RootFS.Layers }}' | grep -o sha256 | wc -l"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" -eq 1 ]]
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run /bin/bash -c "docker image inspect hello-world:latest --format '{{ .RootFS.Layers }}' | grep -o sha256 | wc -l"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" -eq 1 ]]
docker image pull alpine/git:v2.30.0
run /bin/bash -c "docker image inspect alpine/git:v2.30.0 --format '{{ .RootFS.Layers }}' | grep -o sha256 | wc -l"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" -eq 3 ]]
run $BIN_FILE relabel alpine/git:v2.30.0 --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run /bin/bash -c "docker image inspect alpine/git:v2.30.0 --format '{{ .RootFS.Layers }}' | grep -o sha256 | wc -l"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" -eq 3 ]]
run $BIN_FILE relabel alpine/git:v2.30.0 --label key2=value2
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run /bin/bash -c "docker image inspect alpine/git:v2.30.0 --format '{{ .RootFS.Layers }}' | grep -o sha256 | wc -l"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" -eq 3 ]]
}
@test "retag with same label" {
docker image pull hello-world:latest
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "key" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "value" ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "com.dokku.docker-image-labeler/alternate-tags" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == '["hello-world:latest"]' ]]
run docker image inspect hello-world:latest --format '{{ .Metadata.LastTagTime }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
# retag
last_tag_time="$output"
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "key" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "value" ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "com.dokku.docker-image-labeler/alternate-tags" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == '["hello-world:latest"]' ]]
run docker image inspect hello-world:latest --format '{{ .Metadata.LastTagTime }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "$last_tag_time" ]]
}
@test "retag with new labels" {
docker image pull hello-world:latest
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "key" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "value" ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "com.dokku.docker-image-labeler/alternate-tags" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == '["hello-world:latest"]' ]]
run docker image inspect hello-world:latest --format '{{ .Metadata.LastTagTime }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
# retag
last_tag_time="$output"
run $BIN_FILE relabel hello-world:latest --label key=value --label key2=value2
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "key" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "value" ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "key2" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == "value2" ]]
run docker image inspect hello-world:latest --format '{{ index .Config.Labels "com.dokku.docker-image-labeler/alternate-tags" }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" == '["hello-world:latest"]' ]]
run docker image inspect hello-world:latest --format '{{ .Metadata.LastTagTime }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" != "$last_tag_time" ]]
}
@test "does not delete images with running containers" {
docker image pull hello-world:latest
run /bin/bash -c "docker image inspect hello-world:latest --format '{{ .ID }}' | cut -d ':' -f2"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
originalImageID="$output"
run docker container run --name hello-test hello-world:latest
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run /bin/bash -c "docker image inspect hello-world:latest --format '{{ .ID }}' | cut -d ':' -f2"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
[[ "$output" != "$originalImageID" ]]
run /bin/bash -c "docker image inspect $originalImageID"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container rm hello-test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
}
@test "does not delete images with dependent images" {
run docker image pull hello-world:latest
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run /bin/bash -c "docker image inspect hello-world:latest --format '{{ .ID }}' | cut -d ':' -f2"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
originalImageID="$output"
run docker container create --name hello-test hello-world:latest
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container commit --change "ENV key=value" hello-test hello-world:test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container rm hello-test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container create --name hello-test hello-world:test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container commit --change "ENV key2=value2" hello-test hello-world:test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run $BIN_FILE relabel hello-world:latest --label key=value
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image inspect "$originalImageID" --format '{{ .ID }}'
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker container rm hello-test
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
run docker image rm hello-world:test "$originalImageID"
echo "status: $status"
echo "output: $output"
[[ "$status" -eq 0 ]]
}