Add integration test to ensure works correctly

test/integration/load_test.go

@@ -0,0 +1,71 @@
+// +build integration
+
+/*
+Copyright 2020 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package integration
+
+import (
+	"context"
+	"fmt"
+	"os/exec"
+	"strings"
+	"testing"
+)
+
+func TestImageLoad(t *testing.T) {
+	if NoneDriver() {
+		t.Skip("skipping on none driver")
+	}
+	profile := UniqueProfileName("load-image")
+	ctx, _ := context.WithTimeout(context.Background(), Minutes(5))
+	// defer CleanupWithLogs(t, profile, cancel)
+
+	args := append([]string{"start", "-p", profile, "--memory=2000"}, StartArgs()...)
+	rr, err := Run(t, exec.CommandContext(ctx, Target(), args...))
+	if err != nil {
+		t.Fatalf("starting minikube: %v\n%s", err, rr.Output())
+	}
+
+	// pull busybox
+	busybox := "busybox:latest"
+	rr, err = Run(t, exec.CommandContext(ctx, "docker", "pull", busybox))
+	if err != nil {
+		t.Fatalf("starting minikube: %v\n%s", err, rr.Output())
+	}
+
+	// tag busybox
+	newImage := fmt.Sprintf("busybox:%s", profile)
+	rr, err = Run(t, exec.CommandContext(ctx, "docker", "tag", busybox, newImage))
+	if err != nil {
+		t.Fatalf("starting minikube: %v\n%s", err, rr.Output())
+	}
+
+	// try to load the new image into minikube
+	rr, err = Run(t, exec.CommandContext(ctx, Target(), "-p", profile, "image", "load", newImage))
+	if err != nil {
+		t.Fatalf("loading image into minikube: %v\n%s", err, rr.Output())
+	}
+
+	// make sure the image was correctly loaded
+	rr, err = Run(t, exec.CommandContext(ctx, Target(), "ssh", "-p", profile, "--", "sudo", "ctr", "-n=k8s.io", "image", "ls"))
+	if err != nil {
+		t.Fatalf("listing images: %v\n%s", err, rr.Output())
+	}
+	if !strings.Contains(rr.Output(), newImage) {
+		t.Fatalf("expected %s to be loaded into minikube but the image is not there", newImage)
+	}
+}