github.com/endocode/docker@v1.4.2-0.20160113120958-46eb4700391e/builder/dockerignore/dockerignore_test.go (about)

     1  package dockerignore
     2  
     3  import (
     4  	"fmt"
     5  	"io/ioutil"
     6  	"os"
     7  	"path/filepath"
     8  	"testing"
     9  )
    10  
    11  func TestReadAll(t *testing.T) {
    12  	tmpDir, err := ioutil.TempDir("", "dockerignore-test")
    13  	if err != nil {
    14  		t.Fatal(err)
    15  	}
    16  	defer os.RemoveAll(tmpDir)
    17  
    18  	di, err := ReadAll(nil)
    19  	if err != nil {
    20  		t.Fatalf("Expected not to have error, got %v", err)
    21  	}
    22  
    23  	if diLen := len(di); diLen != 0 {
    24  		t.Fatalf("Expected to have zero dockerignore entry, got %d", diLen)
    25  	}
    26  
    27  	diName := filepath.Join(tmpDir, ".dockerignore")
    28  	content := fmt.Sprintf("test1\n/test2\n/a/file/here\n\nlastfile")
    29  	err = ioutil.WriteFile(diName, []byte(content), 0777)
    30  	if err != nil {
    31  		t.Fatal(err)
    32  	}
    33  
    34  	diFd, err := os.Open(diName)
    35  	if err != nil {
    36  		t.Fatal(err)
    37  	}
    38  	di, err = ReadAll(diFd)
    39  	if err != nil {
    40  		t.Fatal(err)
    41  	}
    42  
    43  	if di[0] != "test1" {
    44  		t.Fatalf("First element is not test1")
    45  	}
    46  	if di[1] != "/test2" {
    47  		t.Fatalf("Second element is not /test2")
    48  	}
    49  	if di[2] != "/a/file/here" {
    50  		t.Fatalf("Third element is not /a/file/here")
    51  	}
    52  	if di[3] != "lastfile" {
    53  		t.Fatalf("Fourth element is not lastfile")
    54  	}
    55  }