e2e: add test for ps

Signed-off-by: Nick Sieger <nick@nicksieger.com>

pkg/e2e/fixtures/ps-test/compose.yaml

@@ -0,0 +1,12 @@
+services:
+  nginx:
+    image: nginx:latest
+    expose:
+    - '80'
+    - '443'
+    - '8080'
+  busybox:
+    image: busybox
+    command: busybox httpd -f -p 8000
+    ports:
+    - '127.0.0.1:8001:8000'

pkg/e2e/ps_test.go

@@ -0,0 +1,96 @@
+/*
+   Copyright 2020 Docker Compose CLI 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 e2e
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPs(t *testing.T) {
+	c := NewParallelE2eCLI(t, binDir)
+	const projectName = "e2e-ps"
+
+	res := c.RunDockerComposeCmd("-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "up", "-d")
+	if assert.NoError(t, res.Error) {
+		t.Cleanup(func() {
+			_ = c.RunDockerComposeCmd("--project-name", projectName, "down")
+		})
+	}
+
+	assert.Contains(t, res.Combined(), "Container e2e-ps-busybox-1  Started", res.Combined())
+
+	t.Run("pretty", func(t *testing.T) {
+		res = c.RunDockerComposeCmd("-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps")
+		lines := strings.Split(res.Combined(), "\n")
+		assert.Equal(t, 4, len(lines))
+		count := 0
+		for _, line := range lines[1:3] {
+			if strings.Contains(line, "e2e-ps-busybox-1") {
+				assert.True(t, strings.Contains(line, "127.0.0.1:8001->8000/tcp"))
+				count++
+			}
+			if strings.Contains(line, "e2e-ps-nginx-1") {
+				assert.True(t, strings.Contains(line, "80/tcp, 443/tcp, 8080/tcp"))
+				count++
+			}
+		}
+		assert.Equal(t, 2, count, "Did not match both services:\n"+res.Combined())
+	})
+
+	t.Run("json", func(t *testing.T) {
+		res = c.RunDockerComposeCmd("-f", "./fixtures/ps-test/compose.yaml", "--project-name", projectName, "ps", "--format", "json")
+		var output []map[string]interface{}
+		err := json.Unmarshal([]byte(res.Combined()), &output)
+		assert.NoError(t, err)
+
+		count := 0
+		assert.Equal(t, 2, len(output))
+		for _, service := range output {
+			publishers := service["Publishers"].([]interface{})
+			if service["Name"] == "e2e-ps-busybox-1" {
+				assert.Equal(t, 1, len(publishers))
+				publisher := publishers[0].(map[string]interface{})
+				assert.Equal(t, "127.0.0.1", publisher["URL"])
+				assert.Equal(t, 8000.0, publisher["TargetPort"])
+				assert.Equal(t, 8001.0, publisher["PublishedPort"])
+				assert.Equal(t, "tcp", publisher["Protocol"])
+				count++
+			}
+			if service["Name"] == "e2e-ps-nginx-1" {
+				assert.Equal(t, 3, len(publishers))
+				publisher := publishers[0].(map[string]interface{})
+				assert.Equal(t, 80.0, publisher["TargetPort"])
+				assert.Equal(t, 0.0, publisher["PublishedPort"])
+				assert.Equal(t, "tcp", publisher["Protocol"])
+				publisher = publishers[1].(map[string]interface{})
+				assert.Equal(t, 443.0, publisher["TargetPort"])
+				assert.Equal(t, 0.0, publisher["PublishedPort"])
+				assert.Equal(t, "tcp", publisher["Protocol"])
+				publisher = publishers[2].(map[string]interface{})
+				assert.Equal(t, 8080.0, publisher["TargetPort"])
+				assert.Equal(t, 0.0, publisher["PublishedPort"])
+				assert.Equal(t, "tcp", publisher["Protocol"])
+				count++
+			}
+		}
+		assert.Equal(t, 2, count, "Did not match both services:\n"+res.Combined())
+	})
+}