tests: add tests for diagnostics namespaced

tests/end-to-end/general/bin-diagnostics.bats

@@ -41,3 +41,23 @@ setup() {
   assert_file_contains <(sops -d "${file}") "<challenge>"
   assert_file_contains <(sops -d "${file}") "<event>"
 }
+
+@test "ck8s diagnostics namespaced creates diagnostics file" {
+  echo "If this test gets stuck here for too long, visit \"http://localhost:8000\" in your browser in case you need to authenticate" >&3
+  run ck8s diagnostics sc namespace ingress-nginx
+  assert_success
+
+  file=$(find "${CK8S_CONFIG_PATH}"/diagnostics-*.log | sort -r | head -n 1)
+
+  assert_file_exists "${file}"
+  assert_file_contains "${file}" '"sops":'
+
+  assert_file_contains <(sops -d "${file}") "<pods>"
+  assert_file_contains <(sops -d "${file}") "<top>"
+  assert_file_contains <(sops -d "${file}") "<deployments>"
+  assert_file_contains <(sops -d "${file}") "<daemonsets>"
+  assert_file_contains <(sops -d "${file}") "<statefulsets>"
+  assert_file_contains <(sops -d "${file}") "<events>"
+  assert_file_contains <(sops -d "${file}") "<configmaps>"
+  assert_file_contains <(sops -d "${file}") "<logs>"
+}