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resources.go
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resources.go
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// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package testlib
import (
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"github.com/mattermost/mattermost-server/model"
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/utils"
"github.com/mattermost/mattermost-server/utils/fileutils"
)
const (
resourceTypeFile = iota
resourceTypeFolder
)
const (
actionCopy = iota
actionSymlink
)
type testResourceDetails struct {
src string
dest string
resType int8
action int8
}
func getTestResourcesToSetup() []testResourceDetails {
var srcPath string
var found bool
var testResourcesToSetup = []testResourceDetails{
{"i18n", "i18n", resourceTypeFolder, actionSymlink},
{"templates", "templates", resourceTypeFolder, actionSymlink},
{"tests", "tests", resourceTypeFolder, actionSymlink},
{"fonts", "fonts", resourceTypeFolder, actionSymlink},
{"utils/policies-roles-mapping.json", "utils/policies-roles-mapping.json", resourceTypeFile, actionSymlink},
}
// Finding resources and setting full path to source to be used for further processing
for i, testResource := range testResourcesToSetup {
if testResource.resType == resourceTypeFile {
srcPath = fileutils.FindFile(testResource.src)
if srcPath == "" {
panic(fmt.Sprintf("Failed to find file %s", testResource.src))
}
testResourcesToSetup[i].src = srcPath
} else if testResource.resType == resourceTypeFolder {
srcPath, found = fileutils.FindDir(testResource.src)
if found == false {
panic(fmt.Sprintf("Failed to find folder %s", testResource.src))
}
testResourcesToSetup[i].src = srcPath
} else {
panic(fmt.Sprintf("Invalid resource type: %d", testResource.resType))
}
}
return testResourcesToSetup
}
func SetupTestResources() (string, error) {
testResourcesToSetup := getTestResourcesToSetup()
tempDir, err := ioutil.TempDir("", "testlib")
if err != nil {
return "", errors.Wrap(err, "failed to create temporary directory")
}
pluginsDir := path.Join(tempDir, "plugins")
err = os.Mkdir(pluginsDir, 0700)
if err != nil {
return "", errors.Wrapf(err, "failed to create plugins directory %s", pluginsDir)
}
err = setupConfig(path.Join(tempDir, "config"))
if err != nil {
return "", errors.Wrap(err, "failed to setup config")
}
var resourceDestInTemp string
// Setting up test resources in temp.
// Action in each resource tells whether it needs to be copied or just symlinked
for _, testResource := range testResourcesToSetup {
resourceDestInTemp = filepath.Join(tempDir, testResource.dest)
if testResource.action == actionCopy {
if testResource.resType == resourceTypeFile {
err = utils.CopyFile(testResource.src, resourceDestInTemp)
if err != nil {
return "", errors.Wrapf(err, "failed to copy file %s to %s", testResource.src, resourceDestInTemp)
}
} else if testResource.resType == resourceTypeFolder {
err = utils.CopyDir(testResource.src, resourceDestInTemp)
if err != nil {
return "", errors.Wrapf(err, "failed to copy folder %s to %s", testResource.src, resourceDestInTemp)
}
}
} else if testResource.action == actionSymlink {
destDir := path.Dir(resourceDestInTemp)
if destDir != "." {
err = os.MkdirAll(destDir, os.ModePerm)
if err != nil {
return "", errors.Wrapf(err, "failed to make dir %s", destDir)
}
}
err = os.Symlink(testResource.src, resourceDestInTemp)
if err != nil {
return "", errors.Wrapf(err, "failed to symlink %s to %s", testResource.src, resourceDestInTemp)
}
} else {
return "", errors.Wrapf(err, "Invalid action: %d", testResource.action)
}
}
return tempDir, nil
}
func setupConfig(configDir string) error {
var err error
var config model.Config
config.SetDefaults()
err = os.Mkdir(configDir, 0700)
if err != nil {
return errors.Wrapf(err, "failed to create config directory %s", configDir)
}
defaultJson := path.Join(configDir, "default.json")
err = ioutil.WriteFile(defaultJson, []byte(config.ToJson()), 0644)
if err != nil {
return errors.Wrapf(err, "failed to write config to %s", defaultJson)
}
configJson := path.Join(configDir, "config.json")
err = utils.CopyFile(defaultJson, configJson)
if err != nil {
return errors.Wrapf(err, "failed to copy file %s to %s", defaultJson, configJson)
}
return nil
}