Migrates several swarm configs tests from integration-cli to api tests

This fix migrates several swarm configs tests from integration-cli to api tests

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

integration/config/config_test.go

@@ -9,6 +9,7 @@ import (
 	swarmtypes "github.com/docker/docker/api/types/swarm"
 	"github.com/docker/docker/client"
 	"github.com/docker/docker/integration/internal/swarm"
+	"github.com/docker/docker/internal/testutil"
 	"github.com/gotestyourself/gotestyourself/skip"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -26,6 +27,11 @@ func TestConfigList(t *testing.T) {
 
 	ctx := context.Background()
 
+	// This test case is ported from the original TestConfigsEmptyList
+	configs, err := client.ConfigList(ctx, types.ConfigListOptions{})
+	require.NoError(t, err)
+	assert.Equal(t, len(configs), 0)
+
 	testName0 := "test0"
 	testName1 := "test1"
 	testNames := []string{testName0, testName1}
@@ -100,3 +106,85 @@ func createConfig(ctx context.Context, t *testing.T, client client.APIClient, na
 	assert.NotEqual(t, config.ID, "")
 	return config.ID
 }
+
+func TestConfigsCreateAndDelete(t *testing.T) {
+	skip.If(t, testEnv.DaemonInfo.OSType != "linux")
+
+	defer setupTest(t)()
+	d := swarm.NewSwarm(t, testEnv)
+	defer d.Stop(t)
+	client, err := client.NewClientWithOpts(client.WithHost((d.Sock())))
+	require.NoError(t, err)
+
+	ctx := context.Background()
+
+	testName := "test_config"
+
+	// This test case is ported from the original TestConfigsCreate
+	configID := createConfig(ctx, t, client, testName, []byte("TESTINGDATA"), nil)
+
+	insp, _, err := client.ConfigInspectWithRaw(ctx, configID)
+	require.NoError(t, err)
+	assert.Equal(t, insp.Spec.Name, testName)
+
+	// This test case is ported from the original TestConfigsDelete
+	err = client.ConfigRemove(ctx, configID)
+	require.NoError(t, err)
+
+	insp, _, err = client.ConfigInspectWithRaw(ctx, configID)
+	testutil.ErrorContains(t, err, "No such config")
+}
+
+func TestConfigsUpdate(t *testing.T) {
+	skip.If(t, testEnv.DaemonInfo.OSType != "linux")
+
+	defer setupTest(t)()
+	d := swarm.NewSwarm(t, testEnv)
+	defer d.Stop(t)
+	client, err := client.NewClientWithOpts(client.WithHost((d.Sock())))
+	require.NoError(t, err)
+
+	ctx := context.Background()
+
+	testName := "test_config"
+
+	// This test case is ported from the original TestConfigsCreate
+	configID := createConfig(ctx, t, client, testName, []byte("TESTINGDATA"), nil)
+
+	insp, _, err := client.ConfigInspectWithRaw(ctx, configID)
+	require.NoError(t, err)
+	assert.Equal(t, insp.ID, configID)
+
+	// test UpdateConfig with full ID
+	insp.Spec.Labels = map[string]string{"test": "test1"}
+	err = client.ConfigUpdate(ctx, configID, insp.Version, insp.Spec)
+	require.NoError(t, err)
+
+	insp, _, err = client.ConfigInspectWithRaw(ctx, configID)
+	require.NoError(t, err)
+	assert.Equal(t, insp.Spec.Labels["test"], "test1")
+
+	// test UpdateConfig with full name
+	insp.Spec.Labels = map[string]string{"test": "test2"}
+	err = client.ConfigUpdate(ctx, testName, insp.Version, insp.Spec)
+	require.NoError(t, err)
+
+	insp, _, err = client.ConfigInspectWithRaw(ctx, configID)
+	require.NoError(t, err)
+	assert.Equal(t, insp.Spec.Labels["test"], "test2")
+
+	// test UpdateConfig with prefix ID
+	insp.Spec.Labels = map[string]string{"test": "test3"}
+	err = client.ConfigUpdate(ctx, configID[:1], insp.Version, insp.Spec)
+	require.NoError(t, err)
+
+	insp, _, err = client.ConfigInspectWithRaw(ctx, configID)
+	require.NoError(t, err)
+	assert.Equal(t, insp.Spec.Labels["test"], "test3")
+
+	// test UpdateConfig in updating Data which is not supported in daemon
+	// this test will produce an error in func UpdateConfig
+	insp.Spec.Data = []byte("TESTINGDATA2")
+	err = client.ConfigUpdate(ctx, configID, insp.Version, insp.Spec)
+	testutil.ErrorContains(t, err, "only updates to Labels are allowed")
+}