github.com/gunjan5/docker@v1.8.2/builder/job_test.go (about)

     1  package builder
     2  
     3  import (
     4  	"bytes"
     5  	"io/ioutil"
     6  	"testing"
     7  )
     8  
     9  var textPlainDockerfile = "FROM busybox"
    10  var binaryContext = []byte{0xFD, 0x37, 0x7A, 0x58, 0x5A, 0x00} //xz magic
    11  
    12  func TestInspectEmptyResponse(t *testing.T) {
    13  	ct := "application/octet-stream"
    14  	br := ioutil.NopCloser(bytes.NewReader([]byte("")))
    15  	contentType, bReader, err := inspectResponse(ct, br, 0)
    16  	if err == nil {
    17  		t.Fatalf("Should have generated an error for an empty response")
    18  	}
    19  	if contentType != "application/octet-stream" {
    20  		t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType)
    21  	}
    22  	body, err := ioutil.ReadAll(bReader)
    23  	if err != nil {
    24  		t.Fatal(err)
    25  	}
    26  	if len(body) != 0 {
    27  		t.Fatal("response body should remain empty")
    28  	}
    29  }
    30  
    31  func TestInspectResponseBinary(t *testing.T) {
    32  	ct := "application/octet-stream"
    33  	br := ioutil.NopCloser(bytes.NewReader(binaryContext))
    34  	contentType, bReader, err := inspectResponse(ct, br, len(binaryContext))
    35  	if err != nil {
    36  		t.Fatal(err)
    37  	}
    38  	if contentType != "application/octet-stream" {
    39  		t.Fatalf("Content type should be 'application/octet-stream' but is %q", contentType)
    40  	}
    41  	body, err := ioutil.ReadAll(bReader)
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	if len(body) != len(binaryContext) {
    46  		t.Fatalf("Wrong response size %d, should be == len(binaryContext)", len(body))
    47  	}
    48  	for i := range body {
    49  		if body[i] != binaryContext[i] {
    50  			t.Fatalf("Corrupted response body at byte index %d", i)
    51  		}
    52  	}
    53  }
    54  
    55  func TestResponseUnsupportedContentType(t *testing.T) {
    56  	content := []byte(textPlainDockerfile)
    57  	ct := "application/json"
    58  	br := ioutil.NopCloser(bytes.NewReader(content))
    59  	contentType, bReader, err := inspectResponse(ct, br, len(textPlainDockerfile))
    60  
    61  	if err == nil {
    62  		t.Fatal("Should have returned an error on content-type 'application/json'")
    63  	}
    64  	if contentType != ct {
    65  		t.Fatalf("Should not have altered content-type: orig: %s, altered: %s", ct, contentType)
    66  	}
    67  	body, err := ioutil.ReadAll(bReader)
    68  	if err != nil {
    69  		t.Fatal(err)
    70  	}
    71  	if string(body) != textPlainDockerfile {
    72  		t.Fatalf("Corrupted response body %s", body)
    73  	}
    74  }
    75  
    76  func TestInspectResponseTextSimple(t *testing.T) {
    77  	content := []byte(textPlainDockerfile)
    78  	ct := "text/plain"
    79  	br := ioutil.NopCloser(bytes.NewReader(content))
    80  	contentType, bReader, err := inspectResponse(ct, br, len(content))
    81  	if err != nil {
    82  		t.Fatal(err)
    83  	}
    84  	if contentType != "text/plain" {
    85  		t.Fatalf("Content type should be 'text/plain' but is %q", contentType)
    86  	}
    87  	body, err := ioutil.ReadAll(bReader)
    88  	if err != nil {
    89  		t.Fatal(err)
    90  	}
    91  	if string(body) != textPlainDockerfile {
    92  		t.Fatalf("Corrupted response body %s", body)
    93  	}
    94  }
    95  
    96  func TestInspectResponseEmptyContentType(t *testing.T) {
    97  	content := []byte(textPlainDockerfile)
    98  	br := ioutil.NopCloser(bytes.NewReader(content))
    99  	contentType, bodyReader, err := inspectResponse("", br, len(content))
   100  	if err != nil {
   101  		t.Fatal(err)
   102  	}
   103  	if contentType != "text/plain" {
   104  		t.Fatalf("Content type should be 'text/plain' but is %q", contentType)
   105  	}
   106  	body, err := ioutil.ReadAll(bodyReader)
   107  	if err != nil {
   108  		t.Fatal(err)
   109  	}
   110  	if string(body) != textPlainDockerfile {
   111  		t.Fatalf("Corrupted response body %s", body)
   112  	}
   113  }