mirror of https://github.com/containers/podman.git
387 lines
15 KiB
Bash
387 lines
15 KiB
Bash
#!/usr/bin/env bats -*- bats -*-
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#
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# Test podman shell completion
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#
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# Shell completion is provided via the cobra library
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# It is implement by calling a hidden subcommand called "__complete"
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#
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load helpers
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function setup() {
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# $PODMAN may be a space-separated string, e.g. if we include a --url.
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local -a podman_as_array=($PODMAN)
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# __completeNoDesc must be the first arg if we running the completion cmd
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# set the var for the run_completion function
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PODMAN_COMPLETION="${podman_as_array[0]} __completeNoDesc ${podman_as_array[@]:1}"
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basic_setup
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}
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# Returns true if we are able to podman-pause
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function _can_pause() {
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# Even though we're just trying completion, not an actual unpause,
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# podman barfs with:
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# Error: unpause is not supported for cgroupv1 rootless containers
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if is_rootless && is_cgroupsv1; then
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return 1
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fi
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return 0
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}
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function check_shell_completion() {
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local count=0
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# Newline character; used for confirming string output
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local nl="
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"
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for cmd in $(_podman_commands "$@"); do
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# Human-readable podman command string, with multiple spaces collapsed
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name="podman"
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if is_remote; then
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name="podman-remote"
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fi
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command_string="$name $* $cmd"
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command_string=${command_string// / } # 'podman x' -> 'podman x'
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run_podman "$@" $cmd --help
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local full_help="$output"
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# The line immediately after 'Usage:' gives us a 1-line synopsis
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usage=$(echo "$full_help" | grep -A1 '^Usage:' | tail -1)
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assert "$usage" != "" "podman $cmd: no Usage message found"
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# If usage ends in '[command]', recurse into subcommands
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if expr "$usage" : '.*\[command\]$' >/dev/null; then
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check_shell_completion "$@" $cmd
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continue
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fi
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# Trim to command path so we only have the args
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args="${usage/$command_string/}"
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# Trim leading whitespaces
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args="${args#"${args%%[![:space:]]*}"}"
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# Extra args is used to match the correct argument number for the command
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# This is important because some commands provide different suggestions based
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# on the number of arguments.
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extra_args=()
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for arg in $args; do
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match=false
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i=0
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while true; do
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case $arg in
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# If we have options than we need to check if we are getting flag completion
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"[options]")
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# skip this for remote it fails if a command only has the latest flag e.g podman top
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if ! is_remote; then
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run_completion "$@" $cmd "--"
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# If this fails there is most likely a problem with the cobra library
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is "${lines[0]}" "--.*" \
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"$* $cmd: flag(s) listed in suggestions"
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assert "${#lines[@]}" -gt 2 \
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"$* $cmd: No flag suggestions"
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_check_completion_end NoFileComp
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fi
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# continue the outer for args loop
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continue 2
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;;
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*CONTAINER*)
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# podman unpause fails early on rootless cgroupsv1
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if [[ $cmd = "unpause" ]] && ! _can_pause; then
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continue 2
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fi
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name=$random_container_name
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# special case podman cp suggest containers names with a colon
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if [[ $cmd = "cp" ]]; then
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name="$name:"
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fi
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*-$name${nl}" \
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"$* $cmd: actual container listed in suggestions"
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match=true
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# resume
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;;&
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*POD*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*-$random_pod_name${nl}" \
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"$* $cmd: actual pod listed in suggestions"
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_check_completion_end NoFileComp
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match=true
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# resume
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;;&
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*IMAGE*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*localhost/$random_image_name:$random_image_tag${nl}" \
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"$* $cmd: actual image listed in suggestions"
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# check that we complete the image with tag after at least one char is typed
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run_completion "$@" $cmd "${extra_args[@]}" "${random_image_name:0:1}"
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is "$output" ".*$random_image_name:$random_image_tag${nl}" \
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"$* $cmd: image name:tag included in suggestions"
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# check that we complete the image id after at least two chars are typed
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run_completion "$@" $cmd "${extra_args[@]}" "${random_image_id:0:2}"
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is "$output" ".*$random_image_id${nl}" \
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"$* $cmd: image id included in suggestions when two leading characters present in command line"
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match=true
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# resume
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;;&
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*NETWORK*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*$random_network_name${nl}" \
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"$* $cmd: actual network listed in suggestions"
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_check_completion_end NoFileComp
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match=true
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# resume
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;;&
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*VOLUME*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*$random_volume_name${nl}" \
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"$* $cmd: actual volume listed in suggestions"
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_check_completion_end NoFileComp
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match=true
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# resume
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;;&
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*REGISTRY*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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### FIXME how can we get the configured registries?
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_check_completion_end NoFileComp
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### FIXME this fails if no registries are configured
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assert "${#lines[@]}" -gt 2 "$* $cmd: No REGISTRIES found in suggestions"
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match=true
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# resume
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;;&
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*SECRET*)
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run_completion "$@" $cmd "${extra_args[@]}" ""
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is "$output" ".*$random_secret_name${nl}" \
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"$* $cmd: actual secret listed in suggestions"
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_check_completion_end NoFileComp
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match=true
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# resume
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;;&
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*PATH* | *CONTEXT* | *FILE* | *COMMAND* | *ARG...* | *URI*)
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# default shell completion should be done for everything which accepts a path
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run_completion "$@" $cmd "${extra_args[@]}" ""
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# cp is a special case it returns ShellCompDirectiveNoSpace
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if [[ "$cmd" == "cp" ]]; then
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_check_completion_end NoSpace
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else
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_check_completion_end Default
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_check_no_suggestions
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fi
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;;
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*)
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if [[ "$match" == "false" ]]; then
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dprint "UNKNOWN arg: $arg for $command_string ${extra_args[*]}"
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fi
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;;
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esac
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# Increment the argument array
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extra_args+=("arg")
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i=$(($i + 1))
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# If the argument ends with ...] than we accept 0...n args
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# Loop three times to make sure we are not only completing the first arg
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if [[ ! ${arg} =~ "..." ]] || [[ i -gt 3 ]]; then
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break
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fi
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done
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done
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# If the command takes no more parameters make sure we are getting no completion
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if [[ ! ${args##* } =~ "..." ]]; then
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run_completion "$@" $cmd "${extra_args[@]}" ""
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_check_completion_end NoFileComp
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_check_no_suggestions
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fi
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done
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}
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# run the completion cmd
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function run_completion() {
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PODMAN="$PODMAN_COMPLETION" run_podman "$@"
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}
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# check for the given ShellCompDirective (always last line)
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function _check_completion_end() {
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is "${lines[-1]}" "Completion ended with directive: ShellCompDirective$1" "Completion has wrong ShellCompDirective set"
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}
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# Check that there are no suggestions in the output.
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# We could only check stdout and not stderr but this is not possible with bats.
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# By default we always have two extra lines at the end for the ShellCompDirective.
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# Then we could also have other extra lines for debugging, they will always start
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# with [Debug], e.g. `[Debug] [Error] no container with name or ID "t12" found: no such container`.
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function _check_no_suggestions() {
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if [ ${#lines[@]} -gt 2 ]; then
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# Checking for line count is not enough since we may include additional debug output.
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# Lines starting with [Debug] are allowed.
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local i=0
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length=$((${#lines[@]} - 2))
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while [[ i -lt length ]]; do
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assert "${lines[$i]:0:7}" == "[Debug]" "Unexpected non-Debug output line: ${lines[$i]}"
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i=$((i + 1))
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done
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fi
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}
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@test "podman shell completion test" {
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random_container_name=$(random_string 30)
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random_pod_name=$(random_string 30)
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random_image_name=$(random_string 30)
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random_image_name=${random_image_name,,} # name must be lowercase
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random_image_tag=$(random_string 5)
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random_network_name=$(random_string 30)
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random_volume_name=$(random_string 30)
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random_secret_name=$(random_string 30)
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random_secret_content=$(random_string 30)
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secret_file=$PODMAN_TMPDIR/$(random_string 10)
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echo $random_secret_content > $secret_file
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# create a container for each state since some commands are only suggesting running container for example
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run_podman create --name created-$random_container_name $IMAGE
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run_podman run --name running-$random_container_name -d $IMAGE top
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run_podman run --name pause-$random_container_name -d $IMAGE top
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if _can_pause; then
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run_podman pause pause-$random_container_name
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fi
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run_podman run --name exited-$random_container_name -d $IMAGE echo exited
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# create pods for each state
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run_podman pod create --name created-$random_pod_name
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run_podman pod create --name running-$random_pod_name
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run_podman pod create --name degraded-$random_pod_name
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run_podman pod create --name exited-$random_pod_name
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run_podman run -d --name running-$random_pod_name-con --pod running-$random_pod_name $IMAGE top
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run_podman run -d --name degraded-$random_pod_name-con --pod degraded-$random_pod_name $IMAGE echo degraded
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run_podman run -d --name exited-$random_pod_name-con --pod exited-$random_pod_name $IMAGE echo exited
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run_podman pod stop exited-$random_pod_name
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# create image name (just tag with new names no need to pull)
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run_podman image tag $IMAGE $random_image_name:$random_image_tag
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run_podman image list --format '{{.ID}}' --filter reference=$random_image_name
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random_image_id="${lines[0]}"
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# create network
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run_podman network create $random_network_name
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# create volume
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run_podman volume create $random_volume_name
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# create secret
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run_podman secret create $random_secret_name $secret_file
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# Called with no args -- start with 'podman --help'. check_shell_completion() will
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# recurse for any subcommands.
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check_shell_completion
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# cleanup
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run_podman secret rm $random_secret_name
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rm -f $secret_file
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run_podman volume rm $random_volume_name
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run_podman network rm $random_network_name
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run_podman image untag $IMAGE $random_image_name:$random_image_tag
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for state in created running degraded exited; do
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run_podman pod rm -t 0 --force $state-$random_pod_name
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done
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for state in created running pause exited; do
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run_podman rm --force $state-$random_container_name
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done
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# Clean up the pod pause image
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run_podman image list --format '{{.ID}} {{.Repository}}'
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while read id name; do
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if [[ "$name" =~ /podman-pause ]]; then
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run_podman rmi $id
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fi
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done <<<"$output"
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}
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@test "podman shell completion for paths in container/image" {
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skip_if_remote "mounting via remote does not work"
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for cmd in create run; do
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run_completion $cmd $IMAGE ""
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assert "$output" =~ ".*^/etc/\$.*" "etc directory suggested (cmd: podman $cmd)"
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assert "$output" =~ ".*^/home/\$.*" "home directory suggested (cmd: podman $cmd)"
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assert "$output" =~ ".*^/root/\$.*" "root directory suggested (cmd: podman $cmd)"
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# check completion for subdirectory
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run_completion $cmd $IMAGE "/etc"
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# It should be safe to assume the os-release file always exists in $IMAGE
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assert "$output" =~ ".*^/etc/os-release\$.*" "/etc files suggested (cmd: podman $cmd /etc)"
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# check completion for partial file name
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run_completion $cmd $IMAGE "/etc/os-"
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assert "$output" =~ ".*^/etc/os-release\$.*" "/etc files suggested (cmd: podman $cmd /etc/os-)"
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# check completion with relative path components
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# It is important the we will still use the image root and not escape to the host
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run_completion $cmd $IMAGE "../../"
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assert "$output" =~ ".*^../../etc/\$.*" "relative etc directory suggested (cmd: podman $cmd ../../)"
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assert "$output" =~ ".*^../../home/\$.*" "relative home directory suggested (cmd: podman $cmd ../../)"
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done
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random_name=$(random_string 30)
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random_file=$(random_string 30)
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run_podman run --name $random_name $IMAGE sh -c "touch /tmp/$random_file && touch /tmp/${random_file}2 && mkdir /emptydir"
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# check completion for podman cp
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run_completion cp ""
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assert "$output" =~ ".*^$random_name\:\$.*" "podman cp suggest container names"
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run_completion cp "$random_name:"
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assert "$output" =~ ".*^$random_name\:/etc/\$.*" "podman cp suggest paths in container"
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run_completion cp "$random_name:/tmp"
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assert "$output" =~ ".*^$random_name\:/tmp/$random_file\$.*" "podman cp suggest custom file in container"
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run_completion cp "$random_name:/tmp/$random_file"
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assert "$output" =~ ".*^$random_name\:/tmp/$random_file\$.*" "podman cp suggest /tmp/$random_file file in container"
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assert "$output" =~ ".*^$random_name\:/tmp/${random_file}2\$.*" "podman cp suggest /tmp/${random_file}2 file in container"
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run_completion cp "$random_name:/emptydir"
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assert "$output" =~ ".*^$random_name\:/emptydir/\$.*ShellCompDirectiveNoSpace" "podman cp suggest empty dir with no space directive (:2)"
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# cleanup container
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run_podman rm $random_name
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}
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