package command import ( "bytes" "context" "io/ioutil" "net/http/httptest" "os" "path/filepath" "strings" "testing" "github.com/mitchellh/cli" "github.com/hashicorp/terraform/command/cliconfig" oauthserver "github.com/hashicorp/terraform/command/testdata/login-oauth-server" "github.com/hashicorp/terraform/command/webbrowser" "github.com/hashicorp/terraform/svchost" "github.com/hashicorp/terraform/svchost/disco" ) func TestLogin(t *testing.T) { // oauthserver.Handler is a stub OAuth server implementation that will, // on success, always issue a bearer token named "good-token". s := httptest.NewServer(oauthserver.Handler) defer s.Close() loginTestCase := func(test func(t *testing.T, c *LoginCommand, ui *cli.MockUi, inp func(string))) func(t *testing.T) { return func(t *testing.T) { t.Helper() workDir, err := ioutil.TempDir("", "terraform-test-command-login") if err != nil { t.Fatalf("cannot create temporary directory: %s", err) } defer os.RemoveAll(workDir) // We'll use this context to avoid asynchronous tasks outliving // a single test run. ctx, cancel := context.WithCancel(context.Background()) defer cancel() ui := cli.NewMockUi() browserLauncher := webbrowser.NewMockLauncher(ctx) creds := cliconfig.EmptyCredentialsSourceForTests(filepath.Join(workDir, "credentials.tfrc.json")) svcs := disco.NewWithCredentialsSource(creds) inputBuf := &bytes.Buffer{} ui.InputReader = inputBuf svcs.ForceHostServices(svchost.Hostname("app.terraform.io"), map[string]interface{}{ "login.v1": map[string]interface{}{ // On app.terraform.io we use password-based authorization. // That's the only hostname that it's permitted for, so we can't // use a fake hostname here. "client": "terraformcli", "token": s.URL + "/token", "grant_types": []interface{}{"password"}, }, }) svcs.ForceHostServices(svchost.Hostname("example.com"), map[string]interface{}{ "login.v1": map[string]interface{}{ // For this fake hostname we'll use a conventional OAuth flow, // with browser-based consent that we'll mock away using a // mock browser launcher below. "client": "anything-goes", "authz": s.URL + "/authz", "token": s.URL + "/token", }, }) svcs.ForceHostServices(svchost.Hostname("unsupported.example.net"), map[string]interface{}{ // This host intentionally left blank. }) c := &LoginCommand{ Meta: Meta{ Ui: ui, BrowserLauncher: browserLauncher, Services: svcs, }, } test(t, c, ui, func(data string) { t.Helper() inputBuf.WriteString(data) }) } } t.Run("defaulting to app.terraform.io with password flow", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi, inp func(string)) { // Enter "yes" at the consent prompt, then a username and then a password. inp("yes\nfoo\nbar\n") status := c.Run(nil) if status != 0 { t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String()) } credsSrc := c.Services.CredentialsSource() creds, err := credsSrc.ForHost(svchost.Hostname("app.terraform.io")) if err != nil { t.Errorf("failed to retrieve credentials: %s", err) } if got, want := creds.Token(), "good-token"; got != want { t.Errorf("wrong token %q; want %q", got, want) } })) t.Run("example.com with authorization code flow", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi, inp func(string)) { // Enter "yes" at the consent prompt. inp("yes\n") status := c.Run([]string{"example.com"}) if status != 0 { t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String()) } credsSrc := c.Services.CredentialsSource() creds, err := credsSrc.ForHost(svchost.Hostname("example.com")) if err != nil { t.Errorf("failed to retrieve credentials: %s", err) } if got, want := creds.Token(), "good-token"; got != want { t.Errorf("wrong token %q; want %q", got, want) } })) t.Run("host without login support", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi, inp func(string)) { status := c.Run([]string{"unsupported.example.net"}) if status == 0 { t.Fatalf("successful exit; want error") } if got, want := ui.ErrorWriter.String(), "Error: Host does not support Terraform login"; !strings.Contains(got, want) { t.Fatalf("missing expected error message\nwant: %s\nfull output:\n%s", want, got) } })) }