github.com/Prakhar-Agarwal-byte/moby@v0.0.0-20231027092010-a14e3e8ab87e/builder/remotecontext/utils_test.go (about)

     1  package remotecontext // import "github.com/Prakhar-Agarwal-byte/moby/builder/remotecontext"
     2  
     3  import (
     4  	"os"
     5  	"path/filepath"
     6  	"testing"
     7  )
     8  
     9  // createTestTempDir creates a temporary directory for testing.
    10  // It returns the created path and a cleanup function which is meant to be used as deferred call.
    11  // When an error occurs, it terminates the test.
    12  func createTestTempDir(t *testing.T, dir, prefix string) (string, func()) {
    13  	path, err := os.MkdirTemp(dir, prefix)
    14  	if err != nil {
    15  		t.Fatalf("Error when creating directory %s with prefix %s: %s", dir, prefix, err)
    16  	}
    17  
    18  	return path, func() {
    19  		err = os.RemoveAll(path)
    20  
    21  		if err != nil {
    22  			t.Fatalf("Error when removing directory %s: %s", path, err)
    23  		}
    24  	}
    25  }
    26  
    27  // createTestTempSubdir creates a temporary directory for testing.
    28  // It returns the created path but doesn't provide a cleanup function,
    29  // so createTestTempSubdir should be used only for creating temporary subdirectories
    30  // whose parent directories are properly cleaned up.
    31  // When an error occurs, it terminates the test.
    32  func createTestTempSubdir(t *testing.T, dir, prefix string) string {
    33  	path, err := os.MkdirTemp(dir, prefix)
    34  	if err != nil {
    35  		t.Fatalf("Error when creating directory %s with prefix %s: %s", dir, prefix, err)
    36  	}
    37  
    38  	return path
    39  }
    40  
    41  // createTestTempFile creates a temporary file within dir with specific contents and permissions.
    42  // When an error occurs, it terminates the test
    43  func createTestTempFile(t *testing.T, dir, filename, contents string, perm os.FileMode) string {
    44  	filePath := filepath.Join(dir, filename)
    45  	err := os.WriteFile(filePath, []byte(contents), perm)
    46  	if err != nil {
    47  		t.Fatalf("Error when creating %s file: %s", filename, err)
    48  	}
    49  
    50  	return filePath
    51  }