test: add mock test for system operations on client side

client/registry_login.go

@@ -0,0 +1,22 @@
+package client
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/alibaba/pouch/apis/types"
+)
+
+// RegistryLogin authenticates the server with a given registry to login.
+func (client *APIClient) RegistryLogin(ctx context.Context, auth *types.AuthConfig) (*types.AuthResponse, error) {
+	resp, err := client.post(ctx, "/auth", nil, auth, nil)
+	if err != nil || resp.StatusCode == http.StatusUnauthorized {
+		return nil, err
+	}
+
+	authResp := &types.AuthResponse{}
+	err = decodeBody(authResp, resp.Body)
+	ensureCloseReader(resp)
+
+	return authResp, err
+}

client/registry_login_test.go

@@ -0,0 +1,64 @@
+package client
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/alibaba/pouch/apis/types"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRegistryLoginError(t *testing.T) {
+	client := &APIClient{
+		HTTPCli: newMockClient(errorMockResponse(http.StatusInternalServerError, "Server error")),
+	}
+	loginConfig := types.AuthConfig{}
+	_, err := client.RegistryLogin(context.Background(), &loginConfig)
+	if err == nil || !strings.Contains(err.Error(), "Server error") {
+		t.Fatalf("expected a Server Error, got %v", err)
+	}
+}
+
+func TestRegistryLogin(t *testing.T) {
+	expectedURL := "/auth"
+
+	httpClient := newMockClient(func(req *http.Request) (*http.Response, error) {
+		if !strings.HasPrefix(req.URL.Path, expectedURL) {
+			return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
+		}
+		if req.Header.Get("Content-Type") == "application/json" {
+			loginConfig := types.AuthConfig{}
+			if err := json.NewDecoder(req.Body).Decode(&loginConfig); err != nil {
+				return nil, fmt.Errorf("failed to parse json: %v", err)
+			}
+		}
+		auth, err := json.Marshal(types.AuthResponse{
+			IdentityToken: "aaa",
+			Status:        "bbb",
+		})
+		if err != nil {
+			return nil, err
+		}
+		return &http.Response{
+			StatusCode: http.StatusOK,
+			Body:       ioutil.NopCloser(bytes.NewReader([]byte(auth))),
+		}, nil
+	})
+
+	client := &APIClient{
+		HTTPCli: httpClient,
+	}
+
+	res, err := client.RegistryLogin(context.Background(), &types.AuthConfig{})
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, res.IdentityToken, "aaa")
+	assert.Equal(t, res.Status, "bbb")
+}

client/system_info.go

@@ -0,0 +1,21 @@
+package client
+
+import (
+	"context"
+
+	"github.com/alibaba/pouch/apis/types"
+)
+
+// SystemInfo requests daemon for system info.
+func (client *APIClient) SystemInfo(ctx context.Context) (*types.SystemInfo, error) {
+	resp, err := client.get(ctx, "/info", nil, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	info := &types.SystemInfo{}
+	err = decodeBody(info, resp.Body)
+	ensureCloseReader(resp)
+
+	return info, err
+}

client/system_info_test.go

@@ -0,0 +1,66 @@
+package client
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+
+	"github.com/alibaba/pouch/apis/types"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestSystemInfoError(t *testing.T) {
+	client := &APIClient{
+		HTTPCli: newMockClient(errorMockResponse(http.StatusInternalServerError, "Server error")),
+	}
+	_, err := client.SystemInfo(context.Background())
+	if err == nil || !strings.Contains(err.Error(), "Server error") {
+		t.Fatalf("expected a Server Error, got %v", err)
+	}
+}
+
+func TestSystemInfo(t *testing.T) {
+	expectedURL := "/info"
+
+	httpClient := newMockClient(func(req *http.Request) (*http.Response, error) {
+		if !strings.HasPrefix(req.URL.Path, expectedURL) {
+			return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
+		}
+		info := types.SystemInfo{
+			ContainersRunning: 2,
+			ContainersStopped: 3,
+			Debug:             true,
+			Name:              "my_host",
+			PouchRootDir:      "/var/lib/pouch",
+		}
+		b, err := json.Marshal(info)
+		if err != nil {
+			return nil, err
+		}
+
+		return &http.Response{
+			StatusCode: http.StatusOK,
+			Body:       ioutil.NopCloser(bytes.NewReader([]byte(b))),
+		}, nil
+	})
+
+	client := &APIClient{
+		HTTPCli: httpClient,
+	}
+
+	info, err := client.SystemInfo(context.Background())
+	if err != nil {
+		t.Fatal(err)
+	}
+	assert.Equal(t, info.PouchRootDir, "/var/lib/pouch")
+	assert.Equal(t, info.Name, "my_host")
+	assert.Equal(t, info.Debug, true)
+	assert.Equal(t, info.ContainersStopped, int64(3))
+	assert.Equal(t, info.ContainersRunning, int64(2))
+}

client/system_ping.go

@@ -0,0 +1,22 @@
+package client
+
+import (
+	"context"
+	"io/ioutil"
+)
+
+// SystemPing shows whether server is ok.
+func (client *APIClient) SystemPing(ctx context.Context) (string, error) {
+	resp, err := client.get(ctx, "/_ping", nil, nil)
+	if err != nil {
+		return "", err
+	}
+
+	defer resp.Body.Close()
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(data), nil
+}

client/system_ping_test.go

@@ -0,0 +1,44 @@
+package client
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"testing"
+)
+
+func TestSystemPingError(t *testing.T) {
+	client := &APIClient{
+		HTTPCli: newMockClient(errorMockResponse(http.StatusInternalServerError, "Server error")),
+	}
+	_, err := client.SystemPing(context.Background())
+	if err == nil || !strings.Contains(err.Error(), "Server error") {
+		t.Fatalf("expected a Server Error, got %v", err)
+	}
+}
+
+func TestSystemPing(t *testing.T) {
+	expectedURL := "/_ping"
+
+	httpClient := newMockClient(func(req *http.Request) (*http.Response, error) {
+		if !strings.HasPrefix(req.URL.Path, expectedURL) {
+			return nil, fmt.Errorf("Expected URL '%s', got '%s'", expectedURL, req.URL)
+		}
+
+		return &http.Response{
+			StatusCode: http.StatusOK,
+			Body:       ioutil.NopCloser(bytes.NewReader([]byte(""))),
+		}, nil
+	})
+
+	client := &APIClient{
+		HTTPCli: httpClient,
+	}
+
+	if _, err := client.SystemPing(context.Background()); err != nil {
+		t.Fatal(err)
+	}
+}

client/system_version_test.go

@@ -3,13 +3,13 @@ package client
 import (
 	"bytes"
 	"context"
+	"encoding/json"
 	"fmt"
 	"io/ioutil"
 	"net/http"
 	"strings"
 	"testing"
 
-	"encoding/json"
 	"github.com/alibaba/pouch/apis/types"
 )