github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/builder/dockerignore/dockerignore_test.go (about)

     1  package dockerignore // import "github.com/docker/docker/builder/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\n# this is a comment\n! /inverted/abs/path\n!\n! \n")
    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  	defer diFd.Close()
    39  
    40  	di, err = ReadAll(diFd)
    41  	if err != nil {
    42  		t.Fatal(err)
    43  	}
    44  
    45  	if len(di) != 7 {
    46  		t.Fatalf("Expected 7 entries, got %v", len(di))
    47  	}
    48  	if di[0] != "test1" {
    49  		t.Fatal("First element is not test1")
    50  	}
    51  	if di[1] != "test2" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar
    52  		t.Fatal("Second element is not test2")
    53  	}
    54  	if di[2] != "a/file/here" { // according to https://docs.docker.com/engine/reference/builder/#dockerignore-file, /foo/bar should be treated as foo/bar
    55  		t.Fatal("Third element is not a/file/here")
    56  	}
    57  	if di[3] != "lastfile" {
    58  		t.Fatal("Fourth element is not lastfile")
    59  	}
    60  	if di[4] != "!inverted/abs/path" {
    61  		t.Fatal("Fifth element is not !inverted/abs/path")
    62  	}
    63  	if di[5] != "!" {
    64  		t.Fatalf("Sixth element is not !, but %s", di[5])
    65  	}
    66  	if di[6] != "!" {
    67  		t.Fatalf("Seventh element is not !, but %s", di[6])
    68  	}
    69  }