297 lines
10 KiB
Go
297 lines
10 KiB
Go
package command
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import (
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"context"
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"io/ioutil"
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"net/http/httptest"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/mitchellh/cli"
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svchost "github.com/hashicorp/terraform-svchost"
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"github.com/hashicorp/terraform-svchost/disco"
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"github.com/hashicorp/terraform/command/cliconfig"
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oauthserver "github.com/hashicorp/terraform/command/testdata/login-oauth-server"
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tfeserver "github.com/hashicorp/terraform/command/testdata/login-tfe-server"
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"github.com/hashicorp/terraform/command/webbrowser"
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"github.com/hashicorp/terraform/internal/httpclient"
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"github.com/hashicorp/terraform/version"
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)
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func TestLogin(t *testing.T) {
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// oauthserver.Handler is a stub OAuth server implementation that will,
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// on success, always issue a bearer token named "good-token".
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s := httptest.NewServer(oauthserver.Handler)
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defer s.Close()
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// tfeserver.Handler is a stub TFE API implementation which will respond
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// to ping and current account requests, when requests are authenticated
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// with token "good-token"
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ts := httptest.NewServer(tfeserver.Handler)
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defer ts.Close()
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loginTestCase := func(test func(t *testing.T, c *LoginCommand, ui *cli.MockUi)) func(t *testing.T) {
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return func(t *testing.T) {
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t.Helper()
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workDir, err := ioutil.TempDir("", "terraform-test-command-login")
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if err != nil {
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t.Fatalf("cannot create temporary directory: %s", err)
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}
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defer os.RemoveAll(workDir)
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// We'll use this context to avoid asynchronous tasks outliving
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// a single test run.
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Do not use the NewMockUi initializer here, as we want to delay
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// the call to init until after setting up the input mocks
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ui := new(cli.MockUi)
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browserLauncher := webbrowser.NewMockLauncher(ctx)
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creds := cliconfig.EmptyCredentialsSourceForTests(filepath.Join(workDir, "credentials.tfrc.json"))
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svcs := disco.NewWithCredentialsSource(creds)
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svcs.SetUserAgent(httpclient.TerraformUserAgent(version.String()))
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svcs.ForceHostServices(svchost.Hostname("example.com"), map[string]interface{}{
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"login.v1": map[string]interface{}{
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// For this fake hostname we'll use a conventional OAuth flow,
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// with browser-based consent that we'll mock away using a
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// mock browser launcher below.
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"client": "anything-goes",
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"authz": s.URL + "/authz",
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"token": s.URL + "/token",
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},
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})
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svcs.ForceHostServices(svchost.Hostname("with-scopes.example.com"), map[string]interface{}{
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"login.v1": map[string]interface{}{
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// with scopes
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// mock browser launcher below.
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"client": "scopes_test",
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"authz": s.URL + "/authz",
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"token": s.URL + "/token",
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"scopes": []interface{}{"app1.full_access", "app2.read_only"},
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},
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})
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svcs.ForceHostServices(svchost.Hostname("app.terraform.io"), map[string]interface{}{
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// This represents Terraform Cloud, which does not yet support the
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// login API, but does support its own bespoke tokens API.
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"tfe.v2": ts.URL + "/api/v2",
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"tfe.v2.1": ts.URL + "/api/v2",
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"tfe.v2.2": ts.URL + "/api/v2",
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"motd.v1": ts.URL + "/api/terraform/motd",
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})
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svcs.ForceHostServices(svchost.Hostname("tfe.acme.com"), map[string]interface{}{
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// This represents a Terraform Enterprise instance which does not
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// yet support the login API, but does support its own bespoke tokens API.
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"tfe.v2": ts.URL + "/api/v2",
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"tfe.v2.1": ts.URL + "/api/v2",
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"tfe.v2.2": ts.URL + "/api/v2",
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})
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svcs.ForceHostServices(svchost.Hostname("unsupported.example.net"), map[string]interface{}{
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// This host intentionally left blank.
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})
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c := &LoginCommand{
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Meta: Meta{
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Ui: ui,
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BrowserLauncher: browserLauncher,
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Services: svcs,
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},
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}
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test(t, c, ui)
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}
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}
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t.Run("app.terraform.io (no login support)", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "yes" at the consent prompt, then paste a token with some
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// accidental whitespace.
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defer testInputMap(t, map[string]string{
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"approve": "yes",
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"token": " good-token ",
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})()
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status := c.Run([]string{"app.terraform.io"})
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if status != 0 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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credsSrc := c.Services.CredentialsSource()
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creds, err := credsSrc.ForHost(svchost.Hostname("app.terraform.io"))
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if err != nil {
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t.Errorf("failed to retrieve credentials: %s", err)
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}
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if got, want := creds.Token(), "good-token"; got != want {
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t.Errorf("wrong token %q; want %q", got, want)
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}
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if got, want := ui.OutputWriter.String(), "Welcome to Terraform Cloud!"; !strings.Contains(got, want) {
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t.Errorf("expected output to contain %q, but was:\n%s", want, got)
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}
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}))
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t.Run("example.com with authorization code flow", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "yes" at the consent prompt.
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defer testInputMap(t, map[string]string{
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"approve": "yes",
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})()
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status := c.Run([]string{"example.com"})
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if status != 0 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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credsSrc := c.Services.CredentialsSource()
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creds, err := credsSrc.ForHost(svchost.Hostname("example.com"))
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if err != nil {
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t.Errorf("failed to retrieve credentials: %s", err)
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}
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if got, want := creds.Token(), "good-token"; got != want {
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t.Errorf("wrong token %q; want %q", got, want)
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}
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if got, want := ui.OutputWriter.String(), "Terraform has obtained and saved an API token."; !strings.Contains(got, want) {
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t.Errorf("expected output to contain %q, but was:\n%s", want, got)
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}
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}))
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t.Run("example.com results in no scopes", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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host, _ := c.Services.Discover("example.com")
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client, _ := host.ServiceOAuthClient("login.v1")
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if len(client.Scopes) != 0 {
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t.Errorf("unexpected scopes %q; expected none", client.Scopes)
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}
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}))
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t.Run("with-scopes.example.com with authorization code flow and scopes", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "yes" at the consent prompt.
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defer testInputMap(t, map[string]string{
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"approve": "yes",
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})()
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status := c.Run([]string{"with-scopes.example.com"})
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if status != 0 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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credsSrc := c.Services.CredentialsSource()
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creds, err := credsSrc.ForHost(svchost.Hostname("with-scopes.example.com"))
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if err != nil {
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t.Errorf("failed to retrieve credentials: %s", err)
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}
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if got, want := creds.Token(), "good-token"; got != want {
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t.Errorf("wrong token %q; want %q", got, want)
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}
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if got, want := ui.OutputWriter.String(), "Terraform has obtained and saved an API token."; !strings.Contains(got, want) {
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t.Errorf("expected output to contain %q, but was:\n%s", want, got)
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}
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}))
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t.Run("with-scopes.example.com results in expected scopes", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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host, _ := c.Services.Discover("with-scopes.example.com")
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client, _ := host.ServiceOAuthClient("login.v1")
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expectedScopes := [2]string{"app1.full_access", "app2.read_only"}
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var foundScopes [2]string
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copy(foundScopes[:], client.Scopes)
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if foundScopes != expectedScopes || len(client.Scopes) != len(expectedScopes) {
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t.Errorf("unexpected scopes %q; want %q", client.Scopes, expectedScopes)
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}
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}))
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t.Run("TFE host without login support", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "yes" at the consent prompt, then paste a token with some
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// accidental whitespace.
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defer testInputMap(t, map[string]string{
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"approve": "yes",
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"token": " good-token ",
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})()
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status := c.Run([]string{"tfe.acme.com"})
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if status != 0 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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credsSrc := c.Services.CredentialsSource()
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creds, err := credsSrc.ForHost(svchost.Hostname("tfe.acme.com"))
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if err != nil {
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t.Errorf("failed to retrieve credentials: %s", err)
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}
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if got, want := creds.Token(), "good-token"; got != want {
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t.Errorf("wrong token %q; want %q", got, want)
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}
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if got, want := ui.OutputWriter.String(), "Logged in to Terraform Enterprise"; !strings.Contains(got, want) {
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t.Errorf("expected output to contain %q, but was:\n%s", want, got)
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}
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}))
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t.Run("TFE host without login support, incorrectly pasted token", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "yes" at the consent prompt, then paste an invalid token.
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defer testInputMap(t, map[string]string{
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"approve": "yes",
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"token": "good-tok",
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})()
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status := c.Run([]string{"tfe.acme.com"})
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if status != 1 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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credsSrc := c.Services.CredentialsSource()
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creds, err := credsSrc.ForHost(svchost.Hostname("tfe.acme.com"))
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if err != nil {
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t.Errorf("failed to retrieve credentials: %s", err)
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}
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if creds != nil {
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t.Errorf("wrong token %q; should have no token", creds.Token())
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}
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}))
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t.Run("host without login or TFE API support", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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status := c.Run([]string{"unsupported.example.net"})
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if status == 0 {
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t.Fatalf("successful exit; want error")
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}
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if got, want := ui.ErrorWriter.String(), "Error: Host does not support Terraform tokens API"; !strings.Contains(got, want) {
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t.Fatalf("missing expected error message\nwant: %s\nfull output:\n%s", want, got)
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}
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}))
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t.Run("answering no cancels", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "no" at the consent prompt
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defer testInputMap(t, map[string]string{
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"approve": "no",
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})()
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status := c.Run(nil)
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if status != 1 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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if got, want := ui.ErrorWriter.String(), "Login cancelled"; !strings.Contains(got, want) {
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t.Fatalf("missing expected error message\nwant: %s\nfull output:\n%s", want, got)
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}
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}))
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t.Run("answering y cancels", loginTestCase(func(t *testing.T, c *LoginCommand, ui *cli.MockUi) {
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// Enter "y" at the consent prompt
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defer testInputMap(t, map[string]string{
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"approve": "y",
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})()
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status := c.Run(nil)
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if status != 1 {
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t.Fatalf("unexpected error code %d\nstderr:\n%s", status, ui.ErrorWriter.String())
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}
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if got, want := ui.ErrorWriter.String(), "Login cancelled"; !strings.Contains(got, want) {
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t.Fatalf("missing expected error message\nwant: %s\nfull output:\n%s", want, got)
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}
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}))
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}
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