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bus_test.go
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bus_test.go
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package acmelib
import (
"testing"
"github.com/stretchr/testify/assert"
)
func Test_Bus_AddNodeInterface(t *testing.T) {
assert := assert.New(t)
bus := NewBus("bus")
node0 := NewNode("node_0", 0, 1).Interfaces()[0]
node1 := NewNode("node_1", 1, 1).Interfaces()[0]
node2 := NewNode("node_2", 2, 1).Interfaces()[0]
// should add node0, node1, and node2 without errors
assert.NoError(bus.AddNodeInterface(node0))
assert.NoError(bus.AddNodeInterface(node1))
assert.NoError(bus.AddNodeInterface(node2))
expectedIDs := []NodeID{0, 1, 2}
expectedNames := []string{"node_0", "node_1", "node_2"}
for idx, tmpNode := range bus.NodeInterfaces() {
assert.Equal(expectedIDs[idx], tmpNode.node.ID())
assert.Equal(expectedNames[idx], tmpNode.node.Name())
}
// should return an error because id 1 is already taken
dupIDNode := NewNode("", 2, 1).Interfaces()[0]
assert.Error(bus.AddNodeInterface(dupIDNode))
// should return an error because name node_1 is already taken
dupNameNode := NewNode("node_1", 3, 1).Interfaces()[0]
assert.Error(bus.AddNodeInterface(dupNameNode))
}
func Test_Bus_RemoveNodeInterface(t *testing.T) {
assert := assert.New(t)
bus := NewBus("bus")
node0 := NewNode("node_0", 0, 1).Interfaces()[0]
node1 := NewNode("node_1", 1, 1).Interfaces()[0]
node2 := NewNode("node_2", 2, 1).Interfaces()[0]
node3 := NewNode("node_3", 3, 1).Interfaces()[0]
assert.NoError(bus.AddNodeInterface(node0))
assert.NoError(bus.AddNodeInterface(node1))
assert.NoError(bus.AddNodeInterface(node2))
assert.NoError(bus.AddNodeInterface(node3))
// should remove without problems node2
assert.NoError(bus.RemoveNodeInterface(node2.Node().EntityID()))
expectedIDs := []NodeID{0, 1, 3}
expectedNames := []string{"node_0", "node_1", "node_3"}
for idx, tmpNode := range bus.NodeInterfaces() {
assert.Equal(expectedIDs[idx], tmpNode.node.ID())
assert.Equal(expectedNames[idx], tmpNode.node.Name())
}
// should return an error because the entity id is invalid
assert.Error(bus.RemoveNodeInterface("dummy-id"))
}
func Test_Bus_RemoveAllNodeInterfaces(t *testing.T) {
assert := assert.New(t)
bus := NewBus("bus")
node0 := NewNode("node_0", 0, 1).Interfaces()[0]
node1 := NewNode("node_1", 1, 1).Interfaces()[0]
node2 := NewNode("node_2", 2, 1).Interfaces()[0]
node3 := NewNode("node_3", 3, 1).Interfaces()[0]
assert.NoError(bus.AddNodeInterface(node0))
assert.NoError(bus.AddNodeInterface(node1))
assert.NoError(bus.AddNodeInterface(node2))
assert.NoError(bus.AddNodeInterface(node3))
bus.RemoveAllNodeInterfaces()
assert.Equal(0, len(bus.NodeInterfaces()))
}
func Test_Bus_UpdateName(t *testing.T) {
assert := assert.New(t)
net := NewNetwork("net")
bus0 := NewBus("bus_0")
bus1 := NewBus("bus_1")
assert.NoError(net.AddBus(bus0))
assert.NoError(net.AddBus(bus1))
// should change the name to bus_00
assert.NoError(bus0.UpdateName("bus_00"))
assert.Equal("bus_00", bus0.Name())
// should not change the name
assert.NoError(bus1.UpdateName("bus_1"))
assert.Equal("bus_1", bus1.Name())
// should return an error because bus_00 is already taken
assert.Error(bus1.UpdateName("bus_00"))
}