add tests

Signed-off-by: Julien Tant <julien@craftyx.fr>

local/e2e/compose/cp_test.go

@@ -0,0 +1,120 @@
+/*
+   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 (
+	"os"
+	"strings"
+	"testing"
+
+	"gotest.tools/v3/assert"
+	"gotest.tools/v3/icmd"
+
+	. "github.com/docker/compose-cli/utils/e2e"
+)
+
+func TestCopy(t *testing.T) {
+	c := NewParallelE2eCLI(t, binDir)
+
+	const projectName = "copy_e2e"
+
+	t.Cleanup(func() {
+		c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "--project-name", projectName, "down")
+
+		os.Remove("./fixtures/cp-test/from-default.txt")
+		os.Remove("./fixtures/cp-test/from-indexed.txt")
+		os.RemoveAll("./fixtures/cp-test/cp-folder2")
+	})
+
+	t.Run("start service", func(t *testing.T) {
+		c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "--project-name", projectName, "up", "--scale", "nginx=5", "-d")
+	})
+
+	t.Run("make sure service is running", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-p", projectName, "ps")
+		res.Assert(t, icmd.Expected{Out: `nginx               running`})
+	})
+
+	t.Run("copy to container copies the file to the first container by default", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "./fixtures/cp-test/cp-me.txt", "nginx:/tmp/default.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		output := c.RunDockerCmd("exec", projectName+"_nginx_1", "cat", "/tmp/default.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world`), output)
+
+		res = c.RunDockerOrExitError("exec", projectName+"_nginx_2", "cat", "/tmp/default.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 1})
+	})
+
+	t.Run("copy to container with a given index copies the file to the given container", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "--index=3", "./fixtures/cp-test/cp-me.txt", "nginx:/tmp/indexed.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		output := c.RunDockerCmd("exec", projectName+"_nginx_3", "cat", "/tmp/indexed.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world`), output)
+
+		res = c.RunDockerOrExitError("exec", projectName+"_nginx_2", "cat", "/tmp/indexed.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 1})
+	})
+
+	t.Run("copy to container with the all flag copies the file to all containers", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "--all", "./fixtures/cp-test/cp-me.txt", "nginx:/tmp/all.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		output := c.RunDockerCmd("exec", projectName+"_nginx_1", "cat", "/tmp/all.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world`), output)
+
+		output = c.RunDockerCmd("exec", projectName+"_nginx_2", "cat", "/tmp/all.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world`), output)
+
+		output = c.RunDockerCmd("exec", projectName+"_nginx_3", "cat", "/tmp/all.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world`), output)
+	})
+
+	t.Run("copy from a container copies the file to the host from the first container by default", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "nginx:/tmp/default.txt", "./fixtures/cp-test/from-default.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		data, err := os.ReadFile("./fixtures/cp-test/from-default.txt")
+		assert.NilError(t, err)
+		assert.Equal(t, `hello world`, string(data))
+	})
+
+	t.Run("copy from a container with a given index copies the file to host", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "--index=3", "nginx:/tmp/indexed.txt", "./fixtures/cp-test/from-indexed.txt")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		data, err := os.ReadFile("./fixtures/cp-test/from-indexed.txt")
+		assert.NilError(t, err)
+		assert.Equal(t, `hello world`, string(data))
+	})
+
+	t.Run("copy to and from a container also work with folder", func(t *testing.T) {
+		res := c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "./fixtures/cp-test/cp-folder", "nginx:/tmp")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		output := c.RunDockerCmd("exec", projectName+"_nginx_1", "cat", "/tmp/cp-folder/cp-me.txt").Stdout()
+		assert.Assert(t, strings.Contains(output, `hello world from folder`), output)
+
+		res = c.RunDockerCmd("compose", "-f", "./fixtures/cp-test/docker-compose.yml", "-p", projectName, "cp", "nginx:/tmp/cp-folder", "./fixtures/cp-test/cp-folder2")
+		res.Assert(t, icmd.Expected{ExitCode: 0})
+
+		data, err := os.ReadFile("./fixtures/cp-test/cp-folder2/cp-me.txt")
+		assert.NilError(t, err)
+		assert.Equal(t, `hello world from folder`, string(data))
+	})
+}

local/e2e/compose/fixtures/cp-test/cp-folder/cp-me.txt

@@ -0,0 +1 @@
+hello world from folder

local/e2e/compose/fixtures/cp-test/cp-me.txt

@@ -0,0 +1 @@
+hello world

local/e2e/compose/fixtures/cp-test/docker-compose.yml

@@ -0,0 +1,3 @@
+services:
+  nginx:
+    image:  nginx:alpine