terraform/command/login_test.go

297 lines
10 KiB
Go

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