github.com/coreos/mantle@v0.13.0/update/generator/info_test.go (about)

     1  // Copyright 2016 CoreOS, 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 generator
    16  
    17  import (
    18  	"bytes"
    19  	"testing"
    20  )
    21  
    22  func TestEmptyInstallInfo(t *testing.T) {
    23  	info, err := NewInstallInfo(bytes.NewReader([]byte{}))
    24  	if err != nil {
    25  		t.Fatal(err)
    26  	}
    27  
    28  	if info.Size == nil {
    29  		t.Error("InstallInfo.Size is nil")
    30  	} else if *info.Size != 0 {
    31  		t.Errorf("InstallInfo.Size should be 0, got %d", *info.Size)
    32  	}
    33  
    34  	if !bytes.Equal(info.Hash, testEmptyHash) {
    35  		t.Errorf("InstallInfo.Hash should be %q, got %q", testEmptyHash, info.Hash)
    36  	}
    37  }
    38  
    39  func TestOnesInstallInfo(t *testing.T) {
    40  	info, err := NewInstallInfo(bytes.NewReader(testOnes))
    41  	if err != nil {
    42  		t.Fatal(err)
    43  	}
    44  
    45  	if info.Size == nil {
    46  		t.Error("InstallInfo.Size is nil")
    47  	} else if *info.Size != BlockSize {
    48  		t.Errorf("InstallInfo.Size should be %d, got %d", BlockSize, *info.Size)
    49  	}
    50  
    51  	if !bytes.Equal(info.Hash, testOnesHash) {
    52  		t.Errorf("InstallInfo.Hash should be %q, got %q", testOnesHash, info.Hash)
    53  	}
    54  }
    55  
    56  func TestUnalignedInstallInfo(t *testing.T) {
    57  	info, err := NewInstallInfo(bytes.NewReader(testUnaligned))
    58  	if err != nil {
    59  		t.Fatal(err)
    60  	}
    61  
    62  	if info.Size == nil {
    63  		t.Error("InstallInfo.Size is nil")
    64  	} else if *info.Size != BlockSize+1 {
    65  		t.Errorf("InstallInfo.Size should be %d, got %d", BlockSize, *info.Size)
    66  	}
    67  
    68  	if !bytes.Equal(info.Hash, testUnalignedHash) {
    69  		t.Errorf("InstallInfo.Hash should be %q, got %q", testUnalignedHash, info.Hash)
    70  	}
    71  }