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package creds
import (
"errors"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCredsBufferProtect(t *testing.T) {
creds := make(Creds)
// Always disallow LF characters
creds["protocol"] = "https"
creds["host"] = "one.example.com\nhost=two.example.com"
buf, err := bufferCreds(creds)
assert.Error(t, err)
assert.Nil(t, buf)
}
type testCredHelper struct {
fillErr error
approveErr error
rejectErr error
fill []Creds
approve []Creds
reject []Creds
}
func newTestCredHelper() *testCredHelper {
return &testCredHelper{
fill: make([]Creds, 0),
approve: make([]Creds, 0),
reject: make([]Creds, 0),
}
}
func (h *testCredHelper) Fill(input Creds) (Creds, error) {
h.fill = append(h.fill, input)
return input, h.fillErr
}
func (h *testCredHelper) Approve(creds Creds) error {
h.approve = append(h.approve, creds)
return h.approveErr
}
func (h *testCredHelper) Reject(creds Creds) error {
h.reject = append(h.reject, creds)
return h.rejectErr
}
func TestCredHelperSetNoErrors(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
out, err := helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
// calling Fill() with empty cache
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 2, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
credsWithPass := Creds{"protocol": "https", "host": "example.com", "username": "foo", "password": "bar"}
assert.Nil(t, helpers.Approve(credsWithPass))
assert.Equal(t, 1, len(helper1.approve))
assert.Equal(t, 0, len(helper2.approve))
// calling Approve() again is cached
assert.Nil(t, helpers.Approve(credsWithPass))
assert.Equal(t, 1, len(helper1.approve))
assert.Equal(t, 0, len(helper2.approve))
// access cache
for i := 0; i < 3; i++ {
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, credsWithPass, out)
assert.Equal(t, 2, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
}
assert.Nil(t, helpers.Reject(creds))
assert.Equal(t, 1, len(helper1.reject))
assert.Equal(t, 0, len(helper2.reject))
// Reject() is never cached
assert.Nil(t, helpers.Reject(creds))
assert.Equal(t, 2, len(helper1.reject))
assert.Equal(t, 0, len(helper2.reject))
// calling Fill() with empty cache
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 3, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
}
func TestCredHelperSetFillError(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
helper1.fillErr = errors.New("boom")
out, err := helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 1, len(helper2.fill))
assert.Nil(t, helpers.Approve(creds))
assert.Equal(t, 0, len(helper1.approve))
assert.Equal(t, 1, len(helper2.approve))
// Fill() with cache
for i := 0; i < 3; i++ {
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 1, len(helper2.fill))
}
assert.Nil(t, helpers.Reject(creds))
assert.Equal(t, 0, len(helper1.reject))
assert.Equal(t, 1, len(helper2.reject))
// Fill() with empty cache
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill)) // still skipped
assert.Equal(t, 2, len(helper2.fill))
}
func TestCredHelperSetApproveError(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
approveErr := errors.New("boom")
helper1.approveErr = approveErr
out, err := helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
assert.Equal(t, approveErr, helpers.Approve(creds))
assert.Equal(t, 1, len(helper1.approve))
assert.Equal(t, 0, len(helper2.approve))
// cache is never set
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 2, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
assert.Nil(t, helpers.Reject(creds))
assert.Equal(t, 1, len(helper1.reject))
assert.Equal(t, 0, len(helper2.reject))
}
func TestCredHelperSetFillAndApproveError(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
credErr := errors.New("boom")
helper1.fillErr = credErr
helper2.approveErr = credErr
out, err := helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 1, len(helper2.fill))
assert.Equal(t, credErr, helpers.Approve(creds))
assert.Equal(t, 0, len(helper1.approve)) // skipped
assert.Equal(t, 0, len(helper1.reject)) // skipped
assert.Equal(t, 1, len(helper2.approve))
// never approved, so cache is empty
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill)) // still skipped
assert.Equal(t, 2, len(helper2.fill))
}
func TestCredHelperSetRejectError(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
rejectErr := errors.New("boom")
helper1.rejectErr = rejectErr
out, err := helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
assert.Nil(t, helpers.Approve(creds))
assert.Equal(t, 1, len(helper1.approve))
assert.Equal(t, 0, len(helper2.approve))
// Fill() with cache
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
assert.Equal(t, rejectErr, helpers.Reject(creds))
assert.Equal(t, 1, len(helper1.reject))
assert.Equal(t, 0, len(helper2.reject))
// failed Reject() still clears cache
out, err = helpers.Fill(creds)
assert.Nil(t, err)
assert.Equal(t, creds, out)
assert.Equal(t, 2, len(helper1.fill))
assert.Equal(t, 0, len(helper2.fill))
}
func TestCredHelperSetAllFillErrors(t *testing.T) {
cache := NewCredentialCacher()
helper1 := newTestCredHelper()
helper2 := newTestCredHelper()
helpers := NewCredentialHelpers([]CredentialHelper{cache, helper1, helper2})
creds := Creds{"protocol": "https", "host": "example.com"}
helper1.fillErr = errors.New("boom 1")
helper2.fillErr = errors.New("boom 2")
out, err := helpers.Fill(creds)
if assert.NotNil(t, err) {
assert.Equal(t, "credential fill errors:\nboom 1\nboom 2", err.Error())
}
assert.Nil(t, out)
assert.Equal(t, 1, len(helper1.fill))
assert.Equal(t, 1, len(helper2.fill))
err = helpers.Approve(creds)
if assert.NotNil(t, err) {
assert.Equal(t, "no valid credential helpers to approve", err.Error())
}
assert.Equal(t, 0, len(helper1.approve))
assert.Equal(t, 0, len(helper2.approve))
err = helpers.Reject(creds)
if assert.NotNil(t, err) {
assert.Equal(t, "no valid credential helpers to reject", err.Error())
}
assert.Equal(t, 0, len(helper1.reject))
assert.Equal(t, 0, len(helper2.reject))
}
|
