add test and remove unused funcs

Signed-off-by: Victor Vieux <vieux@docker.com>

cluster/node.go

@@ -239,11 +239,6 @@ func (n *Node) ReservedMemory() int64 {
 	return r
 }
 
-// Return the memory availalble on this node.
-func (n *Node) AvailableMemory() int64 {
-	return n.Memory - n.ReservedMemory()
-}
-
 // Return the sum of CPUs reserved by containers.
 func (n *Node) ReservedCpus() int64 {
 	var r int64 = 0
@@ -255,10 +250,6 @@ func (n *Node) ReservedCpus() int64 {
 	return r
 }
 
-func (n *Node) AvailalbleCpus() int64 {
-	return n.Cpus - n.ReservedCpus()
-}
-
 func (n *Node) Create(config *dockerclient.ContainerConfig, name string, pullImage bool) (*Container, error) {
 	var (
 		err    error

cluster/node_test.go

@@ -50,6 +50,25 @@ func TestOutdatedNode(t *testing.T) {
 	client.Mock.AssertExpectations(t)
 }
 
+func TestNodeCpusMemory(t *testing.T) {
+	node := NewNode("test")
+	assert.False(t, node.IsConnected())
+
+	client := dockerclient.NewMockClient()
+	client.On("Info").Return(mockInfo, nil)
+	client.On("ListContainers", true, false, "").Return([]dockerclient.Container{}, nil)
+	client.On("StartMonitorEvents", mock.Anything, mock.Anything).Return()
+
+	assert.NoError(t, node.connectClient(client))
+	assert.True(t, node.IsConnected())
+	assert.True(t, node.IsHealthy())
+
+	assert.Equal(t, node.ReservedCpus(), 0)
+	assert.Equal(t, node.ReservedMemory(), 0)
+
+	client.Mock.AssertExpectations(t)
+}
+
 func TestNodeSpecs(t *testing.T) {
 	node := NewNode("test")
 	assert.False(t, node.IsConnected())