context: Add tarball e2e tests

Signed-off-by: Chris Crone <christopher.crone@docker.com>
(cherry picked from commit 18f33b337d)

Fixed expected output in test.

Signed-off-by: Tibor Vass <tibor@docker.com>

e2e/context/context_test.go

@@ -1,8 +1,11 @@
 package context
 
 import (
+	"io/ioutil"
+	"os"
 	"testing"
 
+	"gotest.tools/v3/assert"
 	"gotest.tools/v3/golden"
 	"gotest.tools/v3/icmd"
 )
@@ -19,3 +22,73 @@ func TestContextList(t *testing.T) {
 	})
 	golden.Assert(t, result.Stdout(), "context-ls.golden")
 }
+
+func TestContextImportNoTLS(t *testing.T) {
+	d, _ := ioutil.TempDir("", "")
+	defer func() {
+		os.RemoveAll(d)
+	}()
+	cmd := icmd.Command("docker", "context", "import", "remote", "./testdata/test-dockerconfig.tar")
+	cmd.Env = append(cmd.Env,
+		"DOCKER_CONFIG="+d,
+	)
+	icmd.RunCmd(cmd).Assert(t, icmd.Success)
+
+	cmd = icmd.Command("docker", "context", "ls")
+	cmd.Env = append(cmd.Env,
+		"DOCKER_CONFIG="+d,
+		"KUBECONFIG=./testdata/test-kubeconfig", // Allows reuse of context-ls.golden
+	)
+	result := icmd.RunCmd(cmd).Assert(t, icmd.Success)
+	golden.Assert(t, result.Stdout(), "context-ls.golden")
+}
+
+func TestContextImportTLS(t *testing.T) {
+	d, _ := ioutil.TempDir("", "")
+	defer func() {
+		os.RemoveAll(d)
+	}()
+	cmd := icmd.Command("docker", "context", "import", "test", "./testdata/test-dockerconfig-tls.tar")
+	cmd.Env = append(cmd.Env,
+		"DOCKER_CONFIG="+d,
+	)
+	icmd.RunCmd(cmd).Assert(t, icmd.Success)
+
+	cmd = icmd.Command("docker", "context", "ls")
+	cmd.Env = append(cmd.Env,
+		"DOCKER_CONFIG="+d,
+	)
+	result := icmd.RunCmd(cmd).Assert(t, icmd.Success)
+	golden.Assert(t, result.Stdout(), "context-ls-tls.golden")
+
+	b, err := ioutil.ReadFile(d + "/contexts/tls/9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08/kubernetes/key.pem")
+	assert.NilError(t, err)
+	assert.Equal(t, string(b), `-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----
+`)
+}

e2e/context/testdata/context-ls-notls.golden

@@ -0,0 +1,3 @@
+NAME        DESCRIPTION                               DOCKER ENDPOINT               KUBERNETES ENDPOINT            ORCHESTRATOR
+default *   Current DOCKER_HOST based configuration   unix:///var/run/docker.sock                                  swarm
+remote      my remote cluster                         ssh://someserver              https://someserver (default)   kubernetes

e2e/context/testdata/context-ls-tls.golden

@@ -0,0 +1,3 @@
+NAME                DESCRIPTION                               DOCKER ENDPOINT               KUBERNETES ENDPOINT                                 ORCHESTRATOR
+default *           Current DOCKER_HOST based configuration   unix:///var/run/docker.sock                                                       swarm
+test                                                          unix:///var/run/docker.sock   https://kubernetes.docker.internal:6443 (default)   swarm