compliance_test.go

/*
   Copyright 2020 The Compose Specification Authors.

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package main

import (
	"fmt"
	"net"
	"testing"
	"time"

	"gopkg.in/yaml.v2"
)

const (
	localhost      = "127.0.0.1"
	pingEntrypoint = "http://" + localhost + ":8080/ping"
	pingTargetURL  = "target:8080/ping"
	pingURL        = pingEntrypoint + "?address=" + pingTargetURL

	volumefileEntrypoint = "http://" + localhost + ":8080/volumefile"
	volumeURL            = volumefileEntrypoint + "?filename="

	udpEntrypoint = "http://" + localhost + ":8080/udp"

	scaleEntrypoint = "http://" + localhost + ":8080/scalechecker"
)

func TestSimpleLifecycle(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "simple_lifecycle",
	}
	h.TestUpDown(func() {
		time.Sleep(time.Second)
	})
}

func TestSimpleNetwork(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "simple_network",
		specRef: "Networks-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(pingURL)
		expected := jsonResponse("PONG FROM TARGET")
		h.Check(expected, actual)
	})
}

func TestSimpleNetworkFail(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "simple_network",
		specRef: "Networks-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(pingEntrypoint + "?address=notatarget:8080/ping")
		expected := jsonResponse("Could not reach address: notatarget:8080/ping")
		h.Check(expected, actual)
	})
}

func TestDifferentNetworks(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "different_networks",
		specRef: "Networks-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(pingURL)
		expected := jsonResponse("Could not reach address: target:8080/ping")
		h.Check(expected, actual)
	})
}

func TestVolumeFile(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "simple_volume",
		specRef: "volumes-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(volumeURL + "test_volume.txt")
		expected := jsonResponse("MYVOLUME")
		h.Check(expected, actual)

	})
}

func TestSecretFile(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "simple_secretfile",
		specRef: "secrets-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(volumeURL + "test_secret.txt")
		expected := jsonResponse("MYSECRET")
		h.Check(expected, actual)
	})
}

func TestConfigFile(t *testing.T) {
	h := TestHelper{
		T:            t,
		testDir:      "simple_configfile",
		skipCommands: []string{"docker-composeV1"},
		specRef:      "configs-top-level-element",
	}
	h.TestUpDown(func() {
		actual := h.getHTTPBody(volumeURL + "test_config.txt")
		expected := jsonResponse("MYCONFIG")
		h.Check(expected, actual)
	})
}

func TestUdpPort(t *testing.T) {
	h := TestHelper{
		T:       t,
		testDir: "udp_port",
		specRef: "Networks-top-level-element",
	}
	h.TestUpDown(func() {
		udpValue := "myUdpvalue"

		ServerAddr, err := net.ResolveUDPAddr("udp", localhost+":10001")
		h.NilError(err)
		LocalAddr, err := net.ResolveUDPAddr("udp", localhost+":0")
		h.NilError(err)
		Conn, err := net.DialUDP("udp", LocalAddr, ServerAddr)
		h.NilError(err)
		defer Conn.Close()
		buf := []byte(fmt.Sprintf("{\"request\":%q}", udpValue))
		_, err = Conn.Write(buf)
		h.NilError(err)
		time.Sleep(time.Second) // Wait for the registration
		actual := h.getHTTPBody(udpEntrypoint)
		expected := jsonResponse(udpValue)
		h.Check(expected, actual)
	})
}

func TestScaling(t *testing.T) {
	h := TestHelper{
		T:            t,
		testDir:      "scaling",
		skipCommands: []string{"compose-ref"},
		specRef:      "Networks-top-level-element",
	}
	h.TestUpDown(func() {
		time.Sleep(2 * time.Second) // Wait so the clients can register
		actual := h.getHTTPBody(scaleEntrypoint)
		responseArray := Response{}
		err := yaml.Unmarshal([]byte(actual), &responseArray)
		h.NilError(err)
		h.Check("3", responseArray.Response)
	})
}