Golang utils.GetJsonFromResponse函數代碼示例

func TestNodeAddHandler(t *testing.T) {

	var msg requests.NodeInfoResp

	// Instead of coding our own JSON here,
	// create the JSON message as a string to test the handler
	request := []byte(`{
        "name" : "test_name",
        "zone" : 12345
    }`)

	n := NewNodeServer(mock.NewMockPlugin())
	ts := httptest.NewServer(http.HandlerFunc(n.NodeAddHandler))
	defer ts.Close()

	// Request
	r, err := http.Post(ts.URL, "application/json", bytes.NewBuffer(request))
	tests.Assert(t, r.StatusCode == http.StatusCreated)
	tests.Assert(t, err == nil)

	// Check body
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)

	tests.Assert(t, msg.Name == "test_name")
	tests.Assert(t, msg.Zone == 12345)
}

func (c *Client) ClusterList() (*glusterfs.ClusterListResponse, error) {

	// Create request
	req, err := http.NewRequest("GET", c.host+"/clusters", nil)
	if err != nil {
		return nil, err
	}

	// Set token
	err = c.setToken(req)
	if err != nil {
		return nil, err
	}

	// Get info
	r, err := c.do(req)
	if err != nil {
		return nil, err
	}
	if r.StatusCode != http.StatusOK {
		return nil, utils.GetErrorFromResponse(r)
	}

	// Read JSON response
	var clusters glusterfs.ClusterListResponse
	err = utils.GetJsonFromResponse(r, &clusters)
	if err != nil {
		return nil, err
	}

	return &clusters, nil
}

func TestVolumeListEmpty(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Create the app
	app := NewTestApp(tmpfile)
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Get volumes, there should be none
	r, err := http.Get(ts.URL + "/volumes")
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read response
	var msg VolumeListResponse
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)
	tests.Assert(t, len(msg.Volumes) == 0)
}

func (c *Client) DeviceInfo(id string) (*glusterfs.DeviceInfoResponse, error) {

	// Create request
	req, err := http.NewRequest("GET", c.host+"/devices/"+id, nil)
	if err != nil {
		return nil, err
	}

	// Set token
	err = c.setToken(req)
	if err != nil {
		return nil, err
	}

	// Get info
	r, err := c.do(req)
	if err != nil {
		return nil, err
	}
	if r.StatusCode != http.StatusOK {
		return nil, utils.GetErrorFromResponse(r)
	}

	// Read JSON response
	var device glusterfs.DeviceInfoResponse
	err = utils.GetJsonFromResponse(r, &device)
	r.Body.Close()
	if err != nil {
		return nil, err
	}

	return &device, nil
}

func (c *Client) ClusterCreate() (*glusterfs.ClusterInfoResponse, error) {

	// Create a request
	req, err := http.NewRequest("POST", c.host+"/clusters", bytes.NewBuffer([]byte(`{}`)))
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", "application/json")

	// Set token
	err = c.setToken(req)
	if err != nil {
		return nil, err
	}

	// Send request
	r, err := c.do(req)
	if err != nil {
		return nil, err
	}
	if r.StatusCode != http.StatusCreated {
		return nil, utils.GetErrorFromResponse(r)
	}

	// Read JSON response
	var cluster glusterfs.ClusterInfoResponse
	err = utils.GetJsonFromResponse(r, &cluster)
	r.Body.Close()
	if err != nil {
		return nil, err
	}

	return &cluster, nil
}

func TestVolumeList(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Create the app
	app := NewTestApp(tmpfile)
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Create some volumes
	numvolumes := 1000
	err := app.db.Update(func(tx *bolt.Tx) error {

		for i := 0; i < numvolumes; i++ {
			v := createSampleVolumeEntry(100)
			err := v.Save(tx)
			if err != nil {
				return err
			}
		}

		return nil

	})
	tests.Assert(t, err == nil)

	// Get volumes, there should be none
	r, err := http.Get(ts.URL + "/volumes")
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read response
	var msg VolumeListResponse
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)
	tests.Assert(t, len(msg.Volumes) == numvolumes)

	// Check that all the volumes are in the database
	err = app.db.View(func(tx *bolt.Tx) error {
		for _, id := range msg.Volumes {
			_, err := NewVolumeEntryFromId(tx, id)
			if err != nil {
				return err
			}
		}

		return nil
	})
	tests.Assert(t, err == nil)

}

func TestVolumeInfo(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Create the app
	app := NewTestApp(tmpfile)
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Setup database
	err := setupSampleDbWithTopology(app,
		1,    // clusters
		10,   // nodes_per_cluster
		10,   // devices_per_node,
		5*TB, // disksize)
	)
	tests.Assert(t, err == nil)

	// Create a volume
	req := &VolumeCreateRequest{}
	req.Size = 100
	req.Durability.Type = DURABILITY_STRING_EC
	v := NewVolumeEntryFromRequest(req)
	tests.Assert(t, v != nil)
	err = v.Create(app.db, app.executor, app.allocator)
	tests.Assert(t, err == nil)

	// Now that we have some data in the database, we can
	// make a request for the clutser list
	r, err := http.Get(ts.URL + "/volumes/" + v.Info.Id)
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read response
	var msg VolumeInfoResponse
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)

	tests.Assert(t, msg.Id == v.Info.Id)
	tests.Assert(t, msg.Cluster == v.Info.Cluster)
	tests.Assert(t, msg.Name == v.Info.Name)
	tests.Assert(t, msg.Size == v.Info.Size)
	tests.Assert(t, reflect.DeepEqual(msg.Durability, v.Info.Durability))
	tests.Assert(t, reflect.DeepEqual(msg.Snapshot, v.Info.Snapshot))
	for _, brick := range msg.Bricks {
		tests.Assert(t, utils.SortedStringHas(v.Bricks, brick.Id))
	}
}

func (c *Client) VolumeExpand(id string, request *glusterfs.VolumeExpandRequest) (
	*glusterfs.VolumeInfoResponse, error) {

	// Marshal request to JSON
	buffer, err := json.Marshal(request)
	if err != nil {
		return nil, err
	}

	// Create a request
	req, err := http.NewRequest("POST",
		c.host+"/volumes/"+id+"/expand",
		bytes.NewBuffer(buffer))
	if err != nil {
		return nil, err
	}
	req.Header.Set("Content-Type", "application/json")

	// Set token
	err = c.setToken(req)
	if err != nil {
		return nil, err
	}

	// Send request
	r, err := c.do(req)
	if err != nil {
		return nil, err
	}
	if r.StatusCode != http.StatusAccepted {
		return nil, utils.GetErrorFromResponse(r)
	}

	// Wait for response
	r, err = c.waitForResponseWithTimer(r, time.Second)
	if err != nil {
		return nil, err
	}
	if r.StatusCode != http.StatusOK {
		return nil, utils.GetErrorFromResponse(r)
	}

	// Read JSON response
	var volume glusterfs.VolumeInfoResponse
	err = utils.GetJsonFromResponse(r, &volume)
	r.Body.Close()
	if err != nil {
		return nil, err
	}

	return &volume, nil

}

func TestClusterCreate(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Patch dbfilename so that it is restored at the end of the tests
	defer tests.Patch(&dbfilename, tmpfile).Restore()

	// Create the app
	app := NewApp()
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// ClusterCreate JSON Request
	request := []byte(`{
    }`)

	// Post nothing
	r, err := http.Post(ts.URL+"/clusters", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusCreated)

	// Read JSON
	var msg ClusterInfoResponse
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)

	// Test JSON
	tests.Assert(t, len(msg.Nodes) == 0)
	tests.Assert(t, len(msg.Volumes) == 0)

	// Check that the data on the database is recorded correctly
	var entry ClusterEntry
	err = app.db.View(func(tx *bolt.Tx) error {
		return entry.Unmarshal(
			tx.Bucket([]byte(BOLTDB_BUCKET_CLUSTER)).
				Get([]byte(msg.Id)))
	})
	tests.Assert(t, err == nil)

	// Make sure they entries are euqal
	tests.Assert(t, entry.Info.Id == msg.Id)
	tests.Assert(t, len(entry.Info.Volumes) == 0)
	tests.Assert(t, len(entry.Info.Nodes) == 0)
}

func TestDeviceInfo(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Patch dbfilename so that it is restored at the end of the tests
	defer tests.Patch(&dbfilename, tmpfile).Restore()

	// Create the app
	app := NewApp()
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Create a device to save in the db
	device := NewDeviceEntry()
	device.Info.Id = "abc"
	device.Info.Name = "/dev/fake1"
	device.Info.Weight = 101
	device.NodeId = "def"
	device.StorageSet(10000)
	device.StorageAllocate(1000)

	// Save device in the db
	err := app.db.Update(func(tx *bolt.Tx) error {
		return device.Save(tx)
	})
	tests.Assert(t, err == nil)

	// Get device information
	r, err := http.Get(ts.URL + "/devices/" + device.Info.Id)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	var info DeviceInfoResponse
	err = utils.GetJsonFromResponse(r, &info)
	tests.Assert(t, info.Id == device.Info.Id)
	tests.Assert(t, info.Name == device.Info.Name)
	tests.Assert(t, info.Weight == device.Info.Weight)
	tests.Assert(t, info.Storage.Free == device.Info.Storage.Free)
	tests.Assert(t, info.Storage.Used == device.Info.Storage.Used)
	tests.Assert(t, info.Storage.Total == device.Info.Storage.Total)

}

func TestNodeInfo(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Patch dbfilename so that it is restored at the end of the tests
	defer tests.Patch(&dbfilename, tmpfile).Restore()

	// Create the app
	app := NewApp()
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Create a node to save in the db
	node := NewNodeEntry()
	node.Info.Id = "abc"
	node.Info.ClusterId = "123"
	node.Info.Hostnames.Manage = sort.StringSlice{"manage.system"}
	node.Info.Hostnames.Storage = sort.StringSlice{"storage.system"}
	node.Info.Zone = 10

	// Save node in the db
	err := app.db.Update(func(tx *bolt.Tx) error {
		return node.Save(tx)
	})
	tests.Assert(t, err == nil)

	// Get unknown node id
	r, err := http.Get(ts.URL + "/nodes/" + node.Info.Id)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	var info NodeInfoResponse
	err = utils.GetJsonFromResponse(r, &info)
	tests.Assert(t, info.Id == node.Info.Id)
	tests.Assert(t, info.Hostnames.Manage[0] == node.Info.Hostnames.Manage[0])
	tests.Assert(t, len(info.Hostnames.Manage) == len(node.Info.Hostnames.Manage))
	tests.Assert(t, info.Hostnames.Storage[0] == node.Info.Hostnames.Storage[0])
	tests.Assert(t, len(info.Hostnames.Storage) == len(node.Info.Hostnames.Storage))
	tests.Assert(t, info.Zone == node.Info.Zone)

}

func TestNodeListHandlerEmpty(t *testing.T) {

	var msg requests.NodeListResponse

	n := NewNodeServer(mock.NewMockPlugin())
	ts := httptest.NewServer(http.HandlerFunc(n.NodeListHandler))
	defer ts.Close()

	// Request
	r, err := http.Get(ts.URL)
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)

	// Check body
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)

	tests.Assert(t, len(msg.Nodes) == 0)
}

func TestClusterInfo(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Patch dbfilename so that it is restored at the end of the tests
	defer tests.Patch(&dbfilename, tmpfile).Restore()

	// Create the app
	app := NewApp()
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// Create a new ClusterInfo
	entry := NewClusterEntry()
	entry.Info.Id = "123"
	for _, node := range []string{"a1", "a2", "a3"} {
		entry.NodeAdd(node)
	}
	for _, vol := range []string{"b1", "b2", "b3"} {
		entry.VolumeAdd(vol)
	}

	// Save the info in the database
	err := app.db.Update(func(tx *bolt.Tx) error {
		b := tx.Bucket([]byte(BOLTDB_BUCKET_CLUSTER))
		if b == nil {
			return errors.New("Unable to open bucket")
		}

		buffer, err := entry.Marshal()
		if err != nil {
			return err
		}

		err = b.Put([]byte(entry.Info.Id), buffer)
		if err != nil {
			return err
		}

		return nil

	})
	tests.Assert(t, err == nil)

	// Now that we have some data in the database, we can
	// make a request for the clutser list
	r, err := http.Get(ts.URL + "/clusters/" + "123")
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read response
	var msg ClusterInfoResponse
	err = utils.GetJsonFromResponse(r, &msg)
	tests.Assert(t, err == nil)

	// Check values are equal
	tests.Assert(t, entry.Info.Id == msg.Id)
	tests.Assert(t, entry.Info.Volumes[0] == msg.Volumes[0])
	tests.Assert(t, entry.Info.Volumes[1] == msg.Volumes[1])
	tests.Assert(t, entry.Info.Volumes[2] == msg.Volumes[2])
	tests.Assert(t, entry.Info.Nodes[0] == msg.Nodes[0])
	tests.Assert(t, entry.Info.Nodes[1] == msg.Nodes[1])
	tests.Assert(t, entry.Info.Nodes[2] == msg.Nodes[2])
}

func TestNodeAddDelete(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Patch dbfilename so that it is restored at the end of the tests
	defer tests.Patch(&dbfilename, tmpfile).Restore()

	// Create the app
	app := NewApp()
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// ClusterCreate JSON Request
	request := []byte(`{
    }`)

	// Post nothing
	r, err := http.Post(ts.URL+"/clusters", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusCreated)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read cluster information
	var clusterinfo ClusterInfoResponse
	err = utils.GetJsonFromResponse(r, &clusterinfo)
	tests.Assert(t, err == nil)

	// Create node on this cluster
	request = []byte(fmt.Sprintf(`{
		"cluster" : "%v",
		"hostnames" : {
			"storage" : [ "storage.hostname.com" ],
			"manage" : [ "manage.hostname.com"  ]
		},
		"zone" : 1
    }`, clusterinfo.Id))

	// Post nothing
	r, err = http.Post(ts.URL+"/nodes", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusAccepted)
	location, err := r.Location()
	tests.Assert(t, err == nil)

	// Query queue until finished
	var node NodeInfoResponse
	for {
		r, err = http.Get(location.String())
		tests.Assert(t, err == nil)
		tests.Assert(t, r.StatusCode == http.StatusOK)
		if r.ContentLength <= 0 {
			time.Sleep(time.Millisecond * 10)
			continue
		} else {
			// Should have node information here
			tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
			err = utils.GetJsonFromResponse(r, &node)
			tests.Assert(t, err == nil)
			break
		}
	}
	tests.Assert(t, len(node.Id) > 0)
	tests.Assert(t, len(node.Hostnames.Manage) == 1)
	tests.Assert(t, len(node.Hostnames.Storage) == 1)
	tests.Assert(t, node.Hostnames.Manage[0] == "manage.hostname.com")
	tests.Assert(t, node.Hostnames.Storage[0] == "storage.hostname.com")
	tests.Assert(t, node.Zone == 1)
	tests.Assert(t, node.ClusterId == clusterinfo.Id)
	tests.Assert(t, len(node.DevicesInfo) == 0)

	// Check Cluster has node
	r, err = http.Get(ts.URL + "/clusters/" + clusterinfo.Id)
	tests.Assert(t, r.StatusCode == http.StatusOK)
	tests.Assert(t, err == nil)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	err = utils.GetJsonFromResponse(r, &clusterinfo)
	tests.Assert(t, len(clusterinfo.Nodes) == 1)
	tests.Assert(t, clusterinfo.Nodes[0] == node.Id)

	// Check the data is in the database correctly
	var entry *NodeEntry
	err = app.db.View(func(tx *bolt.Tx) error {
		entry, err = NewNodeEntryFromId(tx, node.Id)
		return err
	})
	tests.Assert(t, err == nil)
	tests.Assert(t, entry != nil)
	tests.Assert(t, entry.Info.Id == node.Id)
	tests.Assert(t, len(entry.Info.Hostnames.Manage) == 1)
	tests.Assert(t, len(entry.Info.Hostnames.Storage) == 1)
	tests.Assert(t, entry.Info.Hostnames.Manage[0] == node.Hostnames.Manage[0])
	tests.Assert(t, entry.Info.Hostnames.Storage[0] == node.Hostnames.Storage[0])
	tests.Assert(t, len(entry.Devices) == 0)

//.........這裏部分代碼省略.........

func TestPeerProbe(t *testing.T) {
	tmpfile := tests.Tempfile()
	defer os.Remove(tmpfile)

	// Create the app
	app := NewTestApp(tmpfile)
	defer app.Close()
	router := mux.NewRouter()
	app.SetRoutes(router)

	// Setup the server
	ts := httptest.NewServer(router)
	defer ts.Close()

	// ClusterCreate JSON Request
	request := []byte(`{
    }`)

	// Post nothing
	r, err := http.Post(ts.URL+"/clusters", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusCreated)
	tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")

	// Read cluster information
	var clusterinfo ClusterInfoResponse
	err = utils.GetJsonFromResponse(r, &clusterinfo)
	tests.Assert(t, err == nil)

	// Override mock to check if the peer function was called
	probe_called := false
	app.xo.MockPeerProbe = func(exec_host, newnode string) error {
		probe_called = true
		return nil
	}

	// Create node on this cluster
	request = []byte(`{
		"cluster" : "` + clusterinfo.Id + `",
		"hostnames" : {
			"storage" : [ "storage0.hostname.com" ],
			"manage" : [ "manage0.hostname.com"  ]
		},
		"zone" : 1
    }`)

	// Create node
	r, err = http.Post(ts.URL+"/nodes", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusAccepted)
	location, err := r.Location()
	tests.Assert(t, err == nil)

	// Query queue until finished
	for {
		r, err = http.Get(location.String())
		tests.Assert(t, err == nil)
		tests.Assert(t, r.StatusCode == http.StatusOK)
		if r.ContentLength <= 0 {
			time.Sleep(time.Millisecond * 10)
			continue
		} else {
			// Should have node information here
			tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
			tests.Assert(t, err == nil)
			break
		}
	}
	tests.Assert(t, probe_called == false)

	// Now add another and check that probe was called
	request = []byte(`{
		"cluster" : "` + clusterinfo.Id + `",
		"hostnames" : {
			"storage" : [ "storage1.hostname.com" ],
			"manage" : [ "manage1.hostname.com"  ]
		},
		"zone" : 1
    }`)

	// Create node
	r, err = http.Post(ts.URL+"/nodes", "application/json", bytes.NewBuffer(request))
	tests.Assert(t, err == nil)
	tests.Assert(t, r.StatusCode == http.StatusAccepted)
	location, err = r.Location()
	tests.Assert(t, err == nil)

	// Query queue until finished
	for {
		r, err = http.Get(location.String())
		tests.Assert(t, err == nil)
		tests.Assert(t, r.StatusCode == http.StatusOK)
		if r.ContentLength <= 0 {
			time.Sleep(time.Millisecond * 10)
			continue
		} else {
			// Should have node information here
			tests.Assert(t, r.Header.Get("Content-Type") == "application/json; charset=UTF-8")
			tests.Assert(t, err == nil)
			break
//.........這裏部分代碼省略.........