add integration test for cache reload

test/integration/functional_test.go

@@ -323,7 +323,7 @@ func validateCacheCmd(ctx context.Context, t *testing.T, profile string) {
 				}
 			}
 		})
-		t.Run("delete", func(t *testing.T) {
+		t.Run("delete busybox:1.28.4-glibc", func(t *testing.T) {
 			_, err := Run(t, exec.CommandContext(ctx, Target(), "cache", "delete", "busybox:1.28.4-glibc"))
 			if err != nil {
 				t.Errorf("failed to delete image busybox:1.28.4-glibc from cache: %v", err)
@@ -346,13 +346,38 @@ func validateCacheCmd(ctx context.Context, t *testing.T, profile string) {
 		t.Run("verify cache inside node", func(t *testing.T) {
 			rr, err := Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "ssh", "sudo", "crictl", "images"))
 			if err != nil {
-				t.Errorf("failed to get docker images through ssh %v", err)
+				t.Errorf("failed to get images by %q ssh %v", rr.Command(), err)
 			}
 			if !strings.Contains(rr.Output(), "1.28.4-glibc") {
 				t.Errorf("expected '1.28.4-glibc' to be in the output: %s", rr.Output())
 			}
 
 		})
+
+		t.Run("reload", func(t *testing.T) { // deleting image inside minikube node manually and expecting reload to bring it back
+			img := "busybox:latest"
+			// deleting image inside minikube node manually
+			rr, err := Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "ssh", "sudo", "crictl", "rmi", img))
+			if err != nil {
+				t.Errorf("failed to delete inside the node %q : %v", rr.Command(), err)
+			}
+			// make sure the image is deleted.
+			rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "ssh", "sudo", "crictl", "inspecti", img))
+			if err == nil {
+				t.Errorf("expected the image be deleted and get  error but got nil error ! cmd: %q", rr.Command())
+			}
+
+			// minikube cache reload
+			rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "cache", "reload"))
+			if err != nil {
+				t.Errorf("failed to cache reload %v", rr.Command(), err)
+			}
+			rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "ssh", "sudo", "crictl", "inspecti", img))
+			if err != nil {
+				t.Errorf("expected to get no error for %q but got %v", rr.Command(), err)
+			}
+		})
+
 	})
 }