rclone/cmd/serve/servetest/servetest.go
2019-08-06 11:43:42 +01:00

107 lines
2.9 KiB
Go

// Package servetest provides infrastructure for running loopback
// tests of "rclone serve backend:" against the backend integration
// tests.
package servetest
import (
"context"
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
"github.com/rclone/rclone/cmd/serve/proxy/proxyflags"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/config/configmap"
"github.com/rclone/rclone/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// StartFn describes the callback which should start the server with
// the Fs passed in.
// It should return a config for the backend used to connect to the
// server and a clean up function
type StartFn func(f fs.Fs) (configmap.Simple, func())
// run runs the server then runs the unit tests for the remote against
// it.
func run(t *testing.T, name string, start StartFn, useProxy bool) {
fstest.Initialise()
fremote, _, clean, err := fstest.RandomRemote(*fstest.RemoteName, *fstest.SubDir)
assert.NoError(t, err)
defer clean()
err = fremote.Mkdir(context.Background(), "")
assert.NoError(t, err)
f := fremote
if useProxy {
// If using a proxy don't pass in the backend
f = nil
// the backend config will be made by the proxy
prog, err := filepath.Abs("../servetest/proxy_code.go")
require.NoError(t, err)
cmd := "go run " + prog + " " + fremote.Root()
// FIXME this is untidy setting a global variable!
proxyflags.Opt.AuthProxy = cmd
defer func() {
proxyflags.Opt.AuthProxy = ""
}()
}
config, cleanup := start(f)
defer cleanup()
// Change directory to run the tests
cwd, err := os.Getwd()
require.NoError(t, err)
err = os.Chdir("../../../backend/" + name)
require.NoError(t, err, "failed to cd to "+name+" backend")
defer func() {
// Change back to the old directory
require.NoError(t, os.Chdir(cwd))
}()
// Run the backend tests with an on the fly remote
args := []string{"test"}
if testing.Verbose() {
args = append(args, "-v")
}
if *fstest.Verbose {
args = append(args, "-verbose")
}
remoteName := name + "test:"
args = append(args, "-remote", remoteName)
args = append(args, "-list-retries", fmt.Sprint(*fstest.ListRetries))
cmd := exec.Command("go", args...)
// Configure the backend with environment variables
cmd.Env = os.Environ()
prefix := "RCLONE_CONFIG_" + strings.ToUpper(remoteName[:len(remoteName)-1]) + "_"
for k, v := range config {
cmd.Env = append(cmd.Env, prefix+strings.ToUpper(k)+"="+v)
}
// Run the test
out, err := cmd.CombinedOutput()
if len(out) != 0 {
t.Logf("\n----------\n%s----------\n", string(out))
}
assert.NoError(t, err, "Running "+name+" integration tests")
}
// Run runs the server then runs the unit tests for the remote against
// it.
func Run(t *testing.T, name string, start StartFn) {
t.Run("Normal", func(t *testing.T) {
run(t, name, start, false)
})
t.Run("AuthProxy", func(t *testing.T) {
run(t, name, start, true)
})
}