github.com/sashka/siva@v1.6.0/common_test.go (about)

     1  package siva
     2  
     3  import (
     4  	"bytes"
     5  	"testing"
     6  
     7  	. "gopkg.in/check.v1"
     8  )
     9  
    10  func Test(t *testing.T) { TestingT(t) }
    11  
    12  type CommonSuite struct{}
    13  
    14  var _ = Suite(&CommonSuite{})
    15  
    16  func (s *CommonSuite) TestHashedWriter(c *C) {
    17  	buf := bytes.NewBuffer(nil)
    18  	w := newHashedWriter(buf)
    19  	n, err := w.Write([]byte("foo"))
    20  	c.Assert(err, IsNil)
    21  	c.Assert(n, Equals, 3)
    22  	c.Assert(w.Checksum(), Equals, uint32(0x8c736521))
    23  	c.Assert(w.Position(), Equals, 3)
    24  
    25  	n, err = w.Write([]byte("foo"))
    26  	c.Assert(err, IsNil)
    27  	c.Assert(n, Equals, 3)
    28  	c.Assert(w.Checksum(), Equals, uint32(0x647af61e))
    29  	c.Assert(w.Position(), Equals, 6)
    30  }
    31  
    32  func (s *CommonSuite) TestHashedWriterReset(c *C) {
    33  	buf := bytes.NewBuffer(nil)
    34  	w := newHashedWriter(buf)
    35  	n, err := w.Write([]byte("foo"))
    36  	c.Assert(err, IsNil)
    37  	c.Assert(n, Equals, 3)
    38  	c.Assert(w.Checksum(), Equals, uint32(0x8c736521))
    39  	c.Assert(w.Position(), Equals, 3)
    40  
    41  	w.Reset()
    42  
    43  	n, err = w.Write([]byte("foo"))
    44  	c.Assert(err, IsNil)
    45  	c.Assert(n, Equals, 3)
    46  	c.Assert(w.Checksum(), Equals, uint32(0x8c736521))
    47  	c.Assert(w.Position(), Equals, 3)
    48  }
    49  
    50  func (s *CommonSuite) TestHashedReader(c *C) {
    51  	buf := bytes.NewBuffer(nil)
    52  	_, err := buf.Write([]byte("foo"))
    53  	c.Assert(err, IsNil)
    54  	_, err = buf.Write([]byte("foo"))
    55  	c.Assert(err, IsNil)
    56  
    57  	r := newHashedReader(buf)
    58  	n, err := r.Read([]byte("foo"))
    59  	c.Assert(err, IsNil)
    60  	c.Assert(n, Equals, 3)
    61  	c.Assert(r.Checkshum(), Equals, uint32(0x8c736521))
    62  	c.Assert(r.Position(), Equals, 3)
    63  
    64  	n, err = r.Read([]byte("foo"))
    65  	c.Assert(err, IsNil)
    66  	c.Assert(n, Equals, 3)
    67  	c.Assert(r.Checkshum(), Equals, uint32(0x647af61e))
    68  	c.Assert(r.Position(), Equals, 6)
    69  }
    70  
    71  func (s *CommonSuite) TestHashedReaderReset(c *C) {
    72  	buf := bytes.NewBuffer(nil)
    73  	_, err := buf.Write([]byte("foo"))
    74  	c.Assert(err, IsNil)
    75  	_, err = buf.Write([]byte("foo"))
    76  	c.Assert(err, IsNil)
    77  
    78  	r := newHashedReader(buf)
    79  	n, err := r.Read([]byte("foo"))
    80  	c.Assert(err, IsNil)
    81  	c.Assert(n, Equals, 3)
    82  	c.Assert(r.Checkshum(), Equals, uint32(0x8c736521))
    83  	c.Assert(r.Position(), Equals, 3)
    84  
    85  	r.Reset()
    86  
    87  	n, err = r.Read([]byte("foo"))
    88  	c.Assert(err, IsNil)
    89  	c.Assert(n, Equals, 3)
    90  	c.Assert(r.Checkshum(), Equals, uint32(0x8c736521))
    91  	c.Assert(r.Position(), Equals, 3)
    92  }
    93  
    94  type fileFixture struct {
    95  	Name, Body string
    96  }
    97  
    98  var files = []fileFixture{
    99  	{"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"},
   100  	{"readme.txt", "This archive contains some text files."},
   101  	{"todo.txt", "Get animal handling license."},
   102  }