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storagetest.go
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storagetest.go
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// Package storagetest provides utilities to assist in testing caddytls.Storage
// implementations.
package storagetest
import (
"bytes"
"errors"
"fmt"
"testing"
"github.com/mholt/caddy/caddytls"
)
// StorageTest is a test harness that contains tests to execute all exposed
// parts of a Storage implementation.
type StorageTest struct {
// Storage is the implementation to use during tests. This must be
// present.
caddytls.Storage
// PreTest, if present, is called before every test. Any error returned
// is returned from the test and the test does not continue.
PreTest func() error
// PostTest, if present, is executed after every test via defer which
// means it executes even on failure of the test (but not on failure of
// PreTest).
PostTest func()
// AfterUserEmailStore, if present, is invoked during
// TestMostRecentUserEmail after each storage just in case anything
// needs to be mocked.
AfterUserEmailStore func(email string) error
}
// TestFunc holds information about a test.
type TestFunc struct {
// Name is the friendly name of the test.
Name string
// Fn is the function that is invoked for the test.
Fn func() error
}
// runPreTest runs the PreTest function if present.
func (s *StorageTest) runPreTest() error {
if s.PreTest != nil {
return s.PreTest()
}
return nil
}
// runPostTest runs the PostTest function if present.
func (s *StorageTest) runPostTest() {
if s.PostTest != nil {
s.PostTest()
}
}
// AllFuncs returns all test functions that are part of this harness.
func (s *StorageTest) AllFuncs() []TestFunc {
return []TestFunc{
{"TestSiteInfoExists", s.TestSiteExists},
{"TestSite", s.TestSite},
{"TestUser", s.TestUser},
{"TestMostRecentUserEmail", s.TestMostRecentUserEmail},
}
}
// Test executes the entire harness using the testing package. Failures are
// reported via T.Fatal. If eagerFail is true, the first failure causes all
// testing to stop immediately.
func (s *StorageTest) Test(t *testing.T, eagerFail bool) {
if errs := s.TestAll(eagerFail); len(errs) > 0 {
ifaces := make([]interface{}, len(errs))
for i, err := range errs {
ifaces[i] = err
}
t.Fatal(ifaces...)
}
}
// TestAll executes the entire harness and returns the results as an array of
// errors. If eagerFail is true, the first failure causes all testing to stop
// immediately.
func (s *StorageTest) TestAll(eagerFail bool) (errs []error) {
for _, fn := range s.AllFuncs() {
if err := fn.Fn(); err != nil {
errs = append(errs, fmt.Errorf("%v failed: %v", fn.Name, err))
if eagerFail {
return
}
}
}
return
}
var simpleSiteData = &caddytls.SiteData{
Cert: []byte("foo"),
Key: []byte("bar"),
Meta: []byte("baz"),
}
var simpleSiteDataAlt = &caddytls.SiteData{
Cert: []byte("qux"),
Key: []byte("quux"),
Meta: []byte("corge"),
}
// TestSiteExists tests Storage.SiteExists.
func (s *StorageTest) TestSiteExists() error {
if err := s.runPreTest(); err != nil {
return err
}
defer s.runPostTest()
// Should not exist at first
siteExists, err := s.SiteExists("example.com")
if err != nil {
return err
}
if siteExists {
return errors.New("Site should not exist")
}
// Should exist after we store it
if err := s.StoreSite("example.com", simpleSiteData); err != nil {
return err
}
siteExists, err = s.SiteExists("example.com")
if err != nil {
return err
}
if !siteExists {
return errors.New("Expected site to exist")
}
// Site should no longer exist after we delete it
if err := s.DeleteSite("example.com"); err != nil {
return err
}
siteExists, err = s.SiteExists("example.com")
if err != nil {
return err
}
if siteExists {
return errors.New("Site should not exist after delete")
}
return nil
}
// TestSite tests Storage.LoadSite, Storage.StoreSite, and Storage.DeleteSite.
func (s *StorageTest) TestSite() error {
if err := s.runPreTest(); err != nil {
return err
}
defer s.runPostTest()
// Should be a not-found error at first
_, err := s.LoadSite("example.com")
if _, ok := err.(caddytls.ErrNotExist); !ok {
return fmt.Errorf("Expected caddytls.ErrNotExist from load, got %T: %v", err, err)
}
// Delete should also be a not-found error at first
err = s.DeleteSite("example.com")
if _, ok := err.(caddytls.ErrNotExist); !ok {
return fmt.Errorf("Expected ErrNotExist from delete, got: %v", err)
}
// Should store successfully and then load just fine
if err := s.StoreSite("example.com", simpleSiteData); err != nil {
return err
}
if siteData, err := s.LoadSite("example.com"); err != nil {
return err
} else if !bytes.Equal(siteData.Cert, simpleSiteData.Cert) {
return errors.New("Unexpected cert returned after store")
} else if !bytes.Equal(siteData.Key, simpleSiteData.Key) {
return errors.New("Unexpected key returned after store")
} else if !bytes.Equal(siteData.Meta, simpleSiteData.Meta) {
return errors.New("Unexpected meta returned after store")
}
// Overwrite should work just fine
if err := s.StoreSite("example.com", simpleSiteDataAlt); err != nil {
return err
}
if siteData, err := s.LoadSite("example.com"); err != nil {
return err
} else if !bytes.Equal(siteData.Cert, simpleSiteDataAlt.Cert) {
return errors.New("Unexpected cert returned after overwrite")
}
// It should delete fine and then not be there
if err := s.DeleteSite("example.com"); err != nil {
return err
}
_, err = s.LoadSite("example.com")
if _, ok := err.(caddytls.ErrNotExist); !ok {
return fmt.Errorf("Expected caddytls.ErrNotExist after delete, got %T: %v", err, err)
}
return nil
}
var simpleUserData = &caddytls.UserData{
Reg: []byte("foo"),
Key: []byte("bar"),
}
var simpleUserDataAlt = &caddytls.UserData{
Reg: []byte("baz"),
Key: []byte("qux"),
}
// TestUser tests Storage.LoadUser and Storage.StoreUser.
func (s *StorageTest) TestUser() error {
if err := s.runPreTest(); err != nil {
return err
}
defer s.runPostTest()
// Should be a not-found error at first
_, err := s.LoadUser("foo@example.com")
if _, ok := err.(caddytls.ErrNotExist); !ok {
return fmt.Errorf("Expected caddytls.ErrNotExist from load, got %T: %v", err, err)
}
// Should store successfully and then load just fine
if err := s.StoreUser("foo@example.com", simpleUserData); err != nil {
return err
}
if userData, err := s.LoadUser("foo@example.com"); err != nil {
return err
} else if !bytes.Equal(userData.Reg, simpleUserData.Reg) {
return errors.New("Unexpected reg returned after store")
} else if !bytes.Equal(userData.Key, simpleUserData.Key) {
return errors.New("Unexpected key returned after store")
}
// Overwrite should work just fine
if err := s.StoreUser("foo@example.com", simpleUserDataAlt); err != nil {
return err
}
if userData, err := s.LoadUser("foo@example.com"); err != nil {
return err
} else if !bytes.Equal(userData.Reg, simpleUserDataAlt.Reg) {
return errors.New("Unexpected reg returned after overwrite")
}
return nil
}
// TestMostRecentUserEmail tests Storage.MostRecentUserEmail.
func (s *StorageTest) TestMostRecentUserEmail() error {
if err := s.runPreTest(); err != nil {
return err
}
defer s.runPostTest()
// Should be empty on first run
if e := s.MostRecentUserEmail(); e != "" {
return fmt.Errorf("Expected empty most recent user on first run, got: %v", e)
}
// If we store user, then that one should be returned
if err := s.StoreUser("foo1@example.com", simpleUserData); err != nil {
return err
}
if s.AfterUserEmailStore != nil {
s.AfterUserEmailStore("foo1@example.com")
}
if e := s.MostRecentUserEmail(); e != "foo1@example.com" {
return fmt.Errorf("Unexpected most recent email after first store: %v", e)
}
// If we store another user, then that one should be returned
if err := s.StoreUser("foo2@example.com", simpleUserDataAlt); err != nil {
return err
}
if s.AfterUserEmailStore != nil {
s.AfterUserEmailStore("foo2@example.com")
}
if e := s.MostRecentUserEmail(); e != "foo2@example.com" {
return fmt.Errorf("Unexpected most recent email after user key: %v", e)
}
return nil
}