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* Fix #897 and shuffle directory around * Update find-lint * goimports Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
158 lines
4.4 KiB
Go
158 lines
4.4 KiB
Go
// Copyright 2017 Vector Creations Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package test
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import (
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"crypto/tls"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"sync"
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"time"
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"github.com/matrix-org/gomatrixserverlib"
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)
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// Request contains the information necessary to issue a request and test its result
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type Request struct {
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Req *http.Request
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WantedBody string
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WantedStatusCode int
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LastErr *LastRequestErr
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}
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// LastRequestErr is a synchronised error wrapper
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// Useful for obtaining the last error from a set of requests
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type LastRequestErr struct {
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sync.Mutex
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Err error
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}
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// Set sets the error
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func (r *LastRequestErr) Set(err error) {
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r.Lock()
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defer r.Unlock()
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r.Err = err
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}
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// Get gets the error
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func (r *LastRequestErr) Get() error {
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r.Lock()
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defer r.Unlock()
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return r.Err
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}
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// CanonicalJSONInput canonicalises a slice of JSON strings
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// Useful for test input
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func CanonicalJSONInput(jsonData []string) []string {
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for i := range jsonData {
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jsonBytes, err := gomatrixserverlib.CanonicalJSON([]byte(jsonData[i]))
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if err != nil && err != io.EOF {
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panic(err)
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}
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jsonData[i] = string(jsonBytes)
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}
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return jsonData
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}
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// Do issues a request and checks the status code and body of the response
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func (r *Request) Do() (err error) {
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client := &http.Client{
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Timeout: 5 * time.Second,
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{
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InsecureSkipVerify: true,
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},
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},
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}
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res, err := client.Do(r.Req)
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if err != nil {
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return err
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}
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defer (func() { err = res.Body.Close() })()
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if res.StatusCode != r.WantedStatusCode {
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return fmt.Errorf("incorrect status code. Expected: %d Got: %d", r.WantedStatusCode, res.StatusCode)
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}
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if r.WantedBody != "" {
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resBytes, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return err
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}
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jsonBytes, err := gomatrixserverlib.CanonicalJSON(resBytes)
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if err != nil {
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return err
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}
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if string(jsonBytes) != r.WantedBody {
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return fmt.Errorf("returned wrong bytes. Expected:\n%s\n\nGot:\n%s", r.WantedBody, string(jsonBytes))
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}
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}
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return nil
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}
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// DoUntilSuccess blocks and repeats the same request until the response returns the desired status code and body.
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// It then closes the given channel and returns.
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func (r *Request) DoUntilSuccess(done chan error) {
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r.LastErr = &LastRequestErr{}
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for {
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if err := r.Do(); err != nil {
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r.LastErr.Set(err)
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time.Sleep(1 * time.Second) // don't tightloop
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continue
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}
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close(done)
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return
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}
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}
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// Run repeatedly issues a request until success, error or a timeout is reached
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func (r *Request) Run(label string, timeout time.Duration, serverCmdChan chan error) {
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fmt.Printf("==TESTING== %v (timeout: %v)\n", label, timeout)
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done := make(chan error, 1)
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// We need to wait for the server to:
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// - have connected to the database
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// - have created the tables
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// - be listening on the given port
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go r.DoUntilSuccess(done)
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// wait for one of:
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// - the test to pass (done channel is closed)
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// - the server to exit with an error (error sent on serverCmdChan)
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// - our test timeout to expire
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// We don't need to clean up since the main() function handles that in the event we panic
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select {
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case <-time.After(timeout):
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fmt.Printf("==TESTING== %v TIMEOUT\n", label)
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if reqErr := r.LastErr.Get(); reqErr != nil {
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fmt.Println("Last /sync request error:")
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fmt.Println(reqErr)
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}
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panic(fmt.Sprintf("%v server timed out", label))
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case err := <-serverCmdChan:
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if err != nil {
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fmt.Println("=============================================================================================")
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fmt.Printf("%v server failed to run. If failing with 'pq: password authentication failed for user' try:", label)
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fmt.Println(" export PGHOST=/var/run/postgresql")
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fmt.Println("=============================================================================================")
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panic(err)
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}
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case <-done:
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fmt.Printf("==TESTING== %v PASSED\n", label)
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}
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}
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