Add acceptance tests for caching of references

acceptance-nonetwork.bats

@@ -19,3 +19,8 @@
   run bin/kubeconform -schema-location 'fixtures/{{ .ResourceKind }}.json' -schema-location './fixtures/registry/{{ .ResourceKind }}{{ .KindSuffix }}.json' fixtures/test_crd.yaml
   [ "$status" -eq 0 ]
 }
+
+@test "Pass when using a cached schema with external references" {
+  run bin/kubeconform -cache fixtures/cache -summary -schema-location 'https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/{{ .NormalizedKubernetesVersion }}{{ .StrictSuffix }}/{{ .ResourceKind }}{{ .KindSuffix }}.json' fixtures/valid.yaml
+  [ "$status" -eq 0 ]
+}

acceptance.bats

@@ -276,6 +276,13 @@ resetCacheFolder() {
   [ "$output" = "failed opening cache folder cache_does_not_exist: stat cache_does_not_exist: no such file or directory" ]
 }
 
+@test "HTTP references should be cached" {
+  resetCacheFolder
+  run bin/kubeconform -cache cache -summary -schema-location 'https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/{{ .NormalizedKubernetesVersion }}{{ .StrictSuffix }}/{{ .ResourceKind }}{{ .KindSuffix }}.json' fixtures/valid.yaml
+  [ "$status" -eq 0 ]
+  [ "`ls cache/ | wc -l`" -eq 2 ]
+}
+
 @test "Produces correct TAP output" {
   run bin/kubeconform -output tap fixtures/valid.yaml
   [ "$status" -eq 0 ]
@@ -351,4 +358,4 @@ resetCacheFolder() {
 @test "passes when trying to use a CRD that does not have the JSONSchema set" {
   run bash -c "bin/kubeconform -schema-location default -schema-location 'https://raw.githubusercontent.com/datreeio/CRDs-catalog/main/{{.Group}}/{{.ResourceKind}}_{{.ResourceAPIVersion}}.json' fixtures/httpproxy.yaml"
   [ "$status" -eq 0 ]
-}
+}

fixtures/cache/603105c17f981119fec20ae25cfb97ff6dd99114a875ae841ef965d9345667e3

@@ -0,0 +1,46 @@
+{
+  "description": "ReplicationController represents the configuration of a replication controller.",
+  "properties": {
+    "apiVersion": {
+      "description": "APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources",
+      "type": [
+        "string",
+        "null"
+      ],
+      "enum": [
+        "v1"
+      ]
+    },
+    "kind": {
+      "description": "Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds",
+      "type": [
+        "string",
+        "null"
+      ],
+      "enum": [
+        "ReplicationController"
+      ]
+    },
+    "metadata": {
+      "$ref": "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/master/_definitions.json#/definitions/io.k8s.apimachinery.pkg.apis.meta.v1.ObjectMeta",
+      "description": "If the Labels of a ReplicationController are empty, they are defaulted to be the same as the Pod(s) that the replication controller manages. Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata"
+    },
+    "spec": {
+      "$ref": "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/master/_definitions.json#/definitions/io.k8s.api.core.v1.ReplicationControllerSpec",
+      "description": "Spec defines the specification of the desired behavior of the replication controller. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status"
+    },
+    "status": {
+      "$ref": "https://raw.githubusercontent.com/yannh/kubernetes-json-schema/master/master/_definitions.json#/definitions/io.k8s.api.core.v1.ReplicationControllerStatus",
+      "description": "Status is the most recently observed status of the replication controller. This data may be out of date by some window of time. Populated by the system. Read-only. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status"
+    }
+  },
+  "type": "object",
+  "x-kubernetes-group-version-kind": [
+    {
+      "group": "",
+      "kind": "ReplicationController",
+      "version": "v1"
+    }
+  ],
+  "$schema": "http://json-schema.org/schema#"
+}