feat: add json format support to ssh-keys:list

tests/unit/ssh_keys.bats

@@ -254,4 +254,166 @@ teardown() {
   echo "output: $output"
   echo "status: $status"
   assert_failure
+
+  run /bin/bash -c 'echo "" > "${DOKKU_ROOT:-/home/dokku}/.ssh/authorized_keys"'
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:add new-user /tmp/testkey.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
+
+  run /bin/bash -c "dokku ssh-keys:add another-user /tmp/testkey-no-newline.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "2"
+
+  run /bin/bash -c "dokku ssh-keys:list new-user | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
+}
+
+
+@test "(ssh-keys) ssh-keys:list --format invalid" {
+  run /bin/bash -c "dokku ssh-keys:list --format invalid"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+}
+
+@test "(ssh-keys) ssh-keys:list --format text" {
+  run /bin/bash -c "dokku ssh-keys:list --format text"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c 'echo "" >> "${DOKKU_ROOT:-/home/dokku}/.ssh/authorized_keys"'
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format text"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format text | grep name1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+
+  run /bin/bash -c "dokku ssh-keys:list --format text name1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_failure
+
+  run /bin/bash -c 'echo "" > "${DOKKU_ROOT:-/home/dokku}/.ssh/authorized_keys"'
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:add new-user /tmp/testkey.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format text | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
+
+  run /bin/bash -c "dokku ssh-keys:add another-user /tmp/testkey-no-newline.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format text | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "2"
+
+  run /bin/bash -c "dokku ssh-keys:list --format text new-user | wc -l"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
+}
+
+@test "(ssh-keys) ssh-keys:list --format json" {
+  run /bin/bash -c "dokku ssh-keys:list --format json | jq -e ."
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c 'echo "" >> "${DOKKU_ROOT:-/home/dokku}/.ssh/authorized_keys"'
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format json | jq -e ."
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format json name1"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_output "[]"
+
+  run /bin/bash -c 'echo "" > "${DOKKU_ROOT:-/home/dokku}/.ssh/authorized_keys"'
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:add new-user /tmp/testkey.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format json | jq length"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
+
+  run /bin/bash -c "dokku ssh-keys:add another-user /tmp/testkey-no-newline.pub"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run /bin/bash -c "dokku ssh-keys:list --format json | jq length"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "2"
+
+  run /bin/bash -c "dokku ssh-keys:list --format json new-user | jq length"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+  assert_equal "$output" "1"
 }