feat: implement 'list' command

Signed-off-by: Julien Bouyoud <jBouyoud@users.noreply.github.com>

scripts/commands/list.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+set -eu
+
+list_usage() {
+    cat <<EOF
+helm config-scheme list
+
+View all configured configuration schemes
+EOF
+}
+
+list() {
+    repository_list_scheme | while read -r scheme; do
+        printf "%s\t%i file-uri(s)\n" "${scheme}" "$(repository_scheme_file_uri_count "${scheme}")"
+    done
+}

scripts/lib/repository.sh

@@ -12,10 +12,18 @@ _repository_scheme_file() {
     echo "${CONFIG_REPOSITORY}/${1}"
 }
 
+repository_list_scheme() {
+    ls -1 "${CONFIG_REPOSITORY}"
+}
+
 repository_scheme_exists() {
     test -f "$(_repository_scheme_file "${1}")"
 }
 
+repository_view_scheme() {
+    cat "$(_repository_scheme_file "${1}")"
+}
+
 repository_create_scheme() {
     scheme_name="${1}"
 

tests/unit/list.bats

@@ -5,8 +5,43 @@ load '../bats/extensions/bats-support/load'
 load '../bats/extensions/bats-assert/load'
 load '../bats/extensions/bats-file/load'
 
-@test "list:" {
+@test "list -h: show help" {
+    run helm config-scheme list -h
+
+    assert_success
+    assert_output --partial 'helm config-scheme list'
+}
+
+@test "list --help: show help" {
+    run helm config-scheme list --help
+
+    assert_success
+    assert_output --partial 'helm config-scheme list'
+}
+
+@test "list help: show help" {
+    run helm config-scheme list help
+
+    assert_success
+    assert_output --partial 'helm config-scheme list'
+}
+
+@test "list: show none" {
     run helm config-scheme list
-    assert_failure 2
-    assert_output --partial 'Error: Not yet implemented.'
+
+    assert_success
+    assert_output ''
+}
+
+@test "list: show all" {
+    helm config-scheme add scheme1 a.yaml
+    helm config-scheme add scheme2 a.yaml b.yaml
+    helm config-scheme add scheme3 a.yaml b.yaml b.yaml
+
+    run helm config-scheme list
+
+    assert_success
+    assert_output --partial 'scheme1	1 file-uri(s)'
+    assert_output --partial 'scheme2	2 file-uri(s)'
+    assert_output --partial 'scheme3	3 file-uri(s)'
 }