test codes retrieving interface on Darwin

spec/darwin/interface_test.go

@@ -0,0 +1,87 @@
+// +build darwin
+
+package darwin
+
+import (
+	"os"
+	"testing"
+)
+
+func TestInterfaceKey(t *testing.T) {
+	g := &InterfaceGenerator{}
+
+	if g.Key() != "interface" {
+		t.Error("key should be interface")
+	}
+}
+
+func TestInterfaceGenerate(t *testing.T) {
+	g := &InterfaceGenerator{}
+	value, err := g.Generate()
+	if err != nil {
+		t.Errorf("should not raise error: %v", err)
+	}
+
+	interfaces, typeOk := value.([]map[string]interface{})
+	if !typeOk {
+		t.Errorf("value should be slice of map. %+v", value)
+	}
+
+	if os.Getenv("TRAVIS") != "" {
+		t.Skip("Skip in Travis for now")
+	}
+
+	if len(interfaces) == 0 {
+		t.Error("should have at least 1 interface")
+	}
+
+	iface := interfaces[0]
+	if _, ok := iface["ipAddress"]; !ok {
+		t.Error("interface should have ipAddress")
+	}
+	if _, ok := iface["macAddress"]; !ok {
+		t.Error("interface should have macAddress")
+	}
+	if _, ok := iface["netmask"]; !ok {
+		t.Error("interface should have netmask")
+	}
+	if _, ok := iface["address"]; !ok {
+		t.Error("interface should have address")
+	}
+	if _, ok := iface["defaultGateway"]; !ok {
+		t.Error("interface should have defaultGateway")
+	}
+}
+
+func TestGenerateByIfconfigCommand(t *testing.T) {
+	g := &InterfaceGenerator{}
+	interfaces, err := g.generateByIfconfigCommand()
+	if err != nil {
+		t.Log("Skip: should not raise error")
+	}
+
+	name := "eth0"
+	if _, ok := interfaces[name]; !ok {
+		t.Log("Skip: should have interfaces")
+	}
+
+	iface := interfaces[name]
+	if len(iface) == 0 {
+		t.Log("Skip: should have item")
+	}
+	if _, ok := iface["ipAddress"]; !ok {
+		t.Log("Skip: interface should have ipAddress")
+	}
+	if _, ok := iface["macAddress"]; !ok {
+		t.Log("Skip: interface should have macAddress")
+	}
+	if _, ok := iface["netmask"]; !ok {
+		t.Log("Skip: interface should have netmask")
+	}
+	if _, ok := iface["address"]; !ok {
+		t.Log("Skip: interface should have address")
+	}
+	if _, ok := iface["defaultGateway"]; !ok {
+		t.Log("Skip: interface should have defaultGateway")
+	}
+}