mattermost/utils/testutils/testutils.go
Agniva De Sarker 1a131b54af
MM-31064: Simplify indentation (#16565)
* MM-31064: Simplify indentation

Reduce indentation where possible.

```release-note
NONE
```

Command ran to verify:
golangci-lint run --disable-all --enable golint --max-issues-per-linter=10000 --max-same-issues=100000 ./... | grep "block ends with a return state"

https://mattermost.atlassian.net/browse/MM-31064

* incorporate review comments

* enable golint for outdent rule

* fix remaining issues

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
2020-12-21 18:50:47 +03:00

74 lines
1.9 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package testutils
import (
"bytes"
"io"
"net"
"os"
"os/exec"
"path/filepath"
"runtime"
"strconv"
"time"
"github.com/mattermost/mattermost-server/v5/utils/fileutils"
)
func ReadTestFile(name string) ([]byte, error) {
path, _ := fileutils.FindDir("tests")
file, err := os.Open(filepath.Join(path, name))
if err != nil {
return nil, err
}
defer file.Close()
data := &bytes.Buffer{}
if _, err := io.Copy(data, file); err != nil {
return nil, err
}
return data.Bytes(), nil
}
// GetInterface returns the best match of an interface that might be listening on a given port.
// This is helpful when a test is being run in a CI environment under docker.
func GetInterface(port int) string {
dial := func(iface string, port int) bool {
c, err := net.DialTimeout("tcp", iface+":"+strconv.Itoa(port), time.Second)
if err != nil {
return false
}
c.Close()
return true
}
// First, we check dockerhost
iface := "dockerhost"
if ok := dial(iface, port); ok {
return iface
}
// If not, we check localhost
iface = "localhost"
if ok := dial(iface, port); ok {
return iface
}
// If nothing works, we just attempt to use a hack and get the interface IP.
// https://stackoverflow.com/a/37212665/4962526.
cmdStr := ""
switch runtime.GOOS {
// Using ip address for Linux, ifconfig for Darwin.
case "linux":
cmdStr = `ip address | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d: | cut -f1 -d/ | head -n1`
case "darwin":
cmdStr = `ifconfig | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep -v 127.0.0.1 | awk '{ print $2 }' | cut -f2 -d: | head -n1`
default:
return ""
}
cmd := exec.Command("bash", "-c", cmdStr)
out, err := cmd.CombinedOutput()
if err != nil {
return ""
}
return string(out)
}