coder/cli/root_test.go

287 lines
7.4 KiB
Go

package cli_test
import (
"bytes"
"flag"
"fmt"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/xerrors"
"github.com/coder/coder/buildinfo"
"github.com/coder/coder/cli"
"github.com/coder/coder/cli/clitest"
"github.com/coder/coder/codersdk"
"github.com/coder/coder/testutil"
)
// To update the golden files:
// make update-golden-files
var updateGoldenFiles = flag.Bool("update", false, "update .golden files")
//nolint:tparallel,paralleltest // These test sets env vars.
func TestCommandHelp(t *testing.T) {
commonEnv := map[string]string{
"CODER_CONFIG_DIR": "/tmp/coder-cli-test-config",
}
type testCase struct {
name string
cmd []string
env map[string]string
}
tests := []testCase{
{
name: "coder --help",
cmd: []string{"--help"},
},
{
name: "coder server --help",
cmd: []string{"server", "--help"},
env: map[string]string{
"CODER_CACHE_DIRECTORY": "/tmp/coder-cli-test-cache",
},
},
{
name: "coder agent --help",
cmd: []string{"agent", "--help"},
env: map[string]string{
"CODER_AGENT_LOG_DIR": "/tmp",
},
},
}
root := cli.Root(cli.AGPL())
ExtractCommandPathsLoop:
for _, cp := range extractVisibleCommandPaths(nil, root.Commands()) {
name := fmt.Sprintf("coder %s --help", strings.Join(cp, " "))
cmd := append(cp, "--help")
for _, tt := range tests {
if tt.name == name {
continue ExtractCommandPathsLoop
}
}
tests = append(tests, testCase{name: name, cmd: cmd})
}
wd, err := os.Getwd()
require.NoError(t, err)
if runtime.GOOS == "windows" {
wd = strings.ReplaceAll(wd, "\\", "\\\\")
}
for _, tt := range tests {
tt := tt
t.Run(tt.name, func(t *testing.T) {
env := make(map[string]string)
for k, v := range commonEnv {
env[k] = v
}
for k, v := range tt.env {
env[k] = v
}
// Unset all CODER_ environment variables for a clean slate.
for _, kv := range os.Environ() {
name := strings.Split(kv, "=")[0]
if _, ok := env[name]; !ok && strings.HasPrefix(name, "CODER_") {
t.Setenv(name, "")
}
}
// Override environment variables for a reproducible test.
for k, v := range env {
t.Setenv(k, v)
}
ctx, _ := testutil.Context(t)
var buf bytes.Buffer
root, _ := clitest.New(t, tt.cmd...)
root.SetOut(&buf)
err := root.ExecuteContext(ctx)
require.NoError(t, err)
got := buf.Bytes()
// Remove CRLF newlines (Windows).
got = bytes.ReplaceAll(got, []byte{'\r', '\n'}, []byte{'\n'})
// The `coder templates create --help` command prints the path
// to the working directory (--directory flag default value).
got = bytes.ReplaceAll(got, []byte(wd), []byte("/tmp/coder-cli-test-workdir"))
gf := filepath.Join("testdata", strings.Replace(tt.name, " ", "_", -1)+".golden")
if *updateGoldenFiles {
t.Logf("update golden file for: %q: %s", tt.name, gf)
err = os.WriteFile(gf, got, 0o600)
require.NoError(t, err, "update golden file")
}
want, err := os.ReadFile(gf)
require.NoError(t, err, "read golden file, run \"make update-golden-files\" and commit the changes")
// Remove CRLF newlines (Windows).
want = bytes.ReplaceAll(want, []byte{'\r', '\n'}, []byte{'\n'})
require.Equal(t, string(want), string(got), "golden file mismatch: %s, run \"make update-golden-files\", verify and commit the changes", gf)
})
}
}
func extractVisibleCommandPaths(cmdPath []string, cmds []*cobra.Command) [][]string {
var cmdPaths [][]string
for _, c := range cmds {
if c.Hidden {
continue
}
cmdPath := append(cmdPath, c.Name())
cmdPaths = append(cmdPaths, cmdPath)
cmdPaths = append(cmdPaths, extractVisibleCommandPaths(cmdPath, c.Commands())...)
}
return cmdPaths
}
func TestRoot(t *testing.T) {
t.Parallel()
t.Run("FormatCobraError", func(t *testing.T) {
t.Parallel()
t.Run("OK", func(t *testing.T) {
t.Parallel()
cmd, _ := clitest.New(t, "delete")
cmd, err := cmd.ExecuteC()
errStr := cli.FormatCobraError(err, cmd)
require.Contains(t, errStr, "Run 'coder delete --help' for usage.")
})
t.Run("Verbose", func(t *testing.T) {
t.Parallel()
// Test that the verbose error is masked without verbose flag.
t.Run("NoVerboseAPIError", func(t *testing.T) {
t.Parallel()
cmd, _ := clitest.New(t)
cmd.RunE = func(cmd *cobra.Command, args []string) error {
var err error = &codersdk.Error{
Response: codersdk.Response{
Message: "This is a message.",
},
Helper: "Try this instead.",
}
err = xerrors.Errorf("wrap me: %w", err)
return err
}
cmd, err := cmd.ExecuteC()
errStr := cli.FormatCobraError(err, cmd)
require.Contains(t, errStr, "This is a message. Try this instead.")
require.NotContains(t, errStr, err.Error())
})
// Assert that a regular error is not masked when verbose is not
// specified.
t.Run("NoVerboseRegularError", func(t *testing.T) {
t.Parallel()
cmd, _ := clitest.New(t)
cmd.RunE = func(cmd *cobra.Command, args []string) error {
return xerrors.Errorf("this is a non-codersdk error: %w", xerrors.Errorf("a wrapped error"))
}
cmd, err := cmd.ExecuteC()
errStr := cli.FormatCobraError(err, cmd)
require.Contains(t, errStr, err.Error())
})
// Test that both the friendly error and the verbose error are
// displayed when verbose is passed.
t.Run("APIError", func(t *testing.T) {
t.Parallel()
cmd, _ := clitest.New(t, "--verbose")
cmd.RunE = func(cmd *cobra.Command, args []string) error {
var err error = &codersdk.Error{
Response: codersdk.Response{
Message: "This is a message.",
},
Helper: "Try this instead.",
}
err = xerrors.Errorf("wrap me: %w", err)
return err
}
cmd, err := cmd.ExecuteC()
errStr := cli.FormatCobraError(err, cmd)
require.Contains(t, errStr, "This is a message. Try this instead.")
require.Contains(t, errStr, err.Error())
})
// Assert that a regular error is not masked when verbose specified.
t.Run("RegularError", func(t *testing.T) {
t.Parallel()
cmd, _ := clitest.New(t, "--verbose")
cmd.RunE = func(cmd *cobra.Command, args []string) error {
return xerrors.Errorf("this is a non-codersdk error: %w", xerrors.Errorf("a wrapped error"))
}
cmd, err := cmd.ExecuteC()
errStr := cli.FormatCobraError(err, cmd)
require.Contains(t, errStr, err.Error())
})
})
})
t.Run("Version", func(t *testing.T) {
t.Parallel()
buf := new(bytes.Buffer)
cmd, _ := clitest.New(t, "version")
cmd.SetOut(buf)
err := cmd.Execute()
require.NoError(t, err)
output := buf.String()
require.Contains(t, output, buildinfo.Version(), "has version")
require.Contains(t, output, buildinfo.ExternalURL(), "has url")
})
t.Run("Header", func(t *testing.T) {
t.Parallel()
done := make(chan struct{})
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
assert.Equal(t, "wow", r.Header.Get("X-Testing"))
w.WriteHeader(http.StatusGone)
select {
case <-done:
close(done)
default:
}
}))
defer srv.Close()
buf := new(bytes.Buffer)
cmd, _ := clitest.New(t, "--header", "X-Testing=wow", "login", srv.URL)
cmd.SetOut(buf)
// This won't succeed, because we're using the login cmd to assert requests.
_ = cmd.Execute()
})
}