Function TestGetRandomPorts

utils/net_test.go:29–77

(t *testing.T)

)

func TestGetRandomPorts(t *testing.T) {
	Convey("get 1 port", t, func() {
		ports, err := GetRandomPorts("127.0.0.1", 1, 10000, 1)
		So(ports, ShouldHaveLength, 1)
		So(err, ShouldBeNil)
	})

	// make one unusable port here
	net.Listen("tcp", "127.0.0.1:2001")
	Convey("get too many ports", t, func() {
		ports, err := GetRandomPorts("127.0.0.1", 2000, 2010, 100)
		So(len(ports), ShouldBeBetween, 0, 12)
		So(err, ShouldEqual, ErrNotEnoughPorts)
	})

	Convey("port range error", t, func() {
		ports, err := GetRandomPorts("127.0.0.1", 3000, 2010, 1)
		So(ports, ShouldBeEmpty)
		So(err, ShouldEqual, ErrNotEnoughPorts)
	})

	Convey("port range start 0", t, func() {
		ports, err := GetRandomPorts("127.0.0.1", 0, 65535, 1)
		So(ports, ShouldHaveLength, 1)
		So(err, ShouldBeNil)
	})

	Convey("port range error", t, func() {
		ports, _ := GetRandomPorts("127.0.0.1", 0, 65535, 0)
		So(ports, ShouldBeEmpty)
	})

	Convey("previously allocated should be unavailable", t, func() {
		ports, err := GetRandomPorts("127.0.0.1", 1, 10000, 1)
		So(ports, ShouldHaveLength, 1)
		So(err, ShouldBeNil)
		lastAllocated := ports[0]
		ports, err = GetRandomPorts("127.0.0.1", lastAllocated, lastAllocated, 1)
		So(err, ShouldNotBeNil)
		// any address should be banned to allocate too
		ports, err = GetRandomPorts("0.0.0.0", lastAllocated, lastAllocated, 1)
		So(err, ShouldNotBeNil)
		// but another bind address should be available, should be use 127.0.0.2, but mac does not support 127.0.0.2
		ports, err = GetRandomPorts("", lastAllocated, lastAllocated, 1)
		So(err, ShouldBeNil)
		So(ports, ShouldHaveLength, 1)
		So(ports[0], ShouldEqual, lastAllocated)
	})
}

func TestWaitForPorts(t *testing.T) {
	Convey("test wait for ports", t, func() {