github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/libraries/utils/test/files.go (about)

     1  // Copyright 2019 Dolthub, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package test
    16  
    17  import (
    18  	"os"
    19  	"path/filepath"
    20  
    21  	"github.com/google/uuid"
    22  )
    23  
    24  // TestDir creates a subdirectory inside the systems temp directory
    25  func TestDir(testName string) string {
    26  	id, err := uuid.NewRandom()
    27  
    28  	if err != nil {
    29  		panic(ShouldNeverHappen)
    30  	}
    31  
    32  	return filepath.Join(os.TempDir(), testName, id.String())
    33  }
    34  
    35  // ChangeToTestDir creates a new test directory and changes the current directory to be
    36  func ChangeToTestDir(testName string) (string, error) {
    37  	dir := TestDir(testName)
    38  	err := os.MkdirAll(dir, os.ModePerm)
    39  
    40  	if err != nil {
    41  		return "", err
    42  	}
    43  
    44  	err = os.Chdir(dir)
    45  
    46  	if err != nil {
    47  		return "", err
    48  	}
    49  
    50  	return dir, nil
    51  }