Files
Go_I2p/lib/common/mapping_test.go
2016-03-29 23:27:58 -07:00

188 lines
6.0 KiB
Go

package common
import (
"bytes"
"errors"
"github.com/stretchr/testify/assert"
"testing"
)
func TestValuesExclusesPairWithBadData(t *testing.T) {
assert := assert.New(t)
bad_key := Mapping([]byte{0x00, 0x0c, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b, 0x00})
values, errs := bad_key.Values()
if assert.Equal(len(values), 1, "Values() did not return valid values when some values had bad key") {
key, _ := values[0][0].Data()
val, _ := values[0][1].Data()
assert.Equal(key, "a", "Values() returned by data with invalid key contains incorrect present key")
assert.Equal(val, "b", "Values() returned by data with invalid key contains incorrect present key")
}
assert.Equal(len(errs), 2, "Values() reported wrong error count when some values had invalid data")
}
func TestValuesWarnsMissingData(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62})
_, errs := mapping.Values()
if assert.Equal(len(errs), 2, "Values() reported wrong error count when mapping had missing data") {
assert.Equal(errs[0].Error(), "warning parsing mapping: mapping length exceeds provided data", "correct error message should be returned")
}
}
func TestValuesWarnsExtraData(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b, 0x00})
_, errs := mapping.Values()
if assert.Equal(len(errs), 2, "Values() reported wrong error count when mapping had extra data") {
assert.Equal(errs[0].Error(), "warning parsing mapping: data exists beyond length of mapping", "correct error message should be returned")
}
}
func TestValuesEnforcesEqualDelimitor(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x30, 0x01, 0x62, 0x3b})
values, errs := mapping.Values()
if assert.Equal(len(errs), 1, "Values() reported wrong error count when mapping had = format error") {
assert.Equal(errs[0].Error(), "mapping format violation, expected =", "correct error message should be returned")
}
assert.Equal(len(values), 0, "Values() not empty with invalid data due to = format error")
}
func TestValuesEnforcedSemicolonDelimitor(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x30})
values, errs := mapping.Values()
if assert.Equal(len(errs), 1, "Values() reported wrong error count when mapping had ; format error") {
assert.Equal(errs[0].Error(), "mapping format violation, expected ;", "correct error message should be returned")
}
assert.Equal(len(values), 0, "Values() not empty with invalid data due to ; format error")
}
func TestValuesReturnsValues(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b})
values, errs := mapping.Values()
key, kerr := values[0][0].Data()
val, verr := values[0][1].Data()
assert.Nil(errs, "Values() returned a errors with parsing valid data")
assert.Nil(kerr)
assert.Nil(verr)
assert.Equal(key, "a", "Values() did not return key in valid data")
assert.Equal(val, "b", "Values() did not return value in valid data")
}
func TestHasDuplicateKeysTrueWhenDuplicates(t *testing.T) {
assert := assert.New(t)
dups := Mapping([]byte{0x00, 0x0c, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b})
assert.Equal(dups.HasDuplicateKeys(), true, "HasDuplicateKeys() did not report true when duplicate keys present")
}
func TestHasDuplicateKeysFalseWithoutDuplicates(t *testing.T) {
assert := assert.New(t)
mapping := Mapping([]byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b})
assert.Equal(mapping.HasDuplicateKeys(), false, "HasDuplicateKeys() did not report false when no duplicate keys present")
}
func TestGoMapToMappingProducesCorrectMapping(t *testing.T) {
assert := assert.New(t)
gomap := map[string]string{"a": "b"}
mapping, err := GoMapToMapping(gomap)
assert.Nil(err, "GoMapToMapping() returned error with valid data")
expected := []byte{0x00, 0x06, 0x01, 0x61, 0x3d, 0x01, 0x62, 0x3b}
if bytes.Compare(mapping, expected) != 0 {
t.Fatal("GoMapToMapping did not produce correct Mapping", mapping, expected)
}
}
func TestMappingOrderSortsValuesThenKeys(t *testing.T) {
a, _ := ToI2PString("a")
b, _ := ToI2PString("b")
values := MappingValues{
[2]String{b, b},
[2]String{b, a},
[2]String{a, b},
[2]String{a, a},
}
mappingOrder(values)
for i, pair := range values {
key, _ := pair[0].Data()
value, _ := pair[1].Data()
switch i {
case 0:
if !(key == "a" && value == "a") {
t.Fatal("mappingOrder produced incorrect sort output at", i)
}
case 1:
if !(key == "a" && value == "b") {
t.Fatal("mappingOrder produced incorrect sort output at", i)
}
case 2:
if !(key == "b" && value == "a") {
t.Fatal("mappingOrder produced incorrect sort output at", i)
}
case 3:
if !(key == "b" && value == "b") {
t.Fatal("mappingOrder produced incorrect sort output at", i)
}
}
}
}
func TestStopValueReadTrueWhenCorrectErr(t *testing.T) {
assert := assert.New(t)
status := stopValueRead(errors.New("error parsing string: zero length"))
assert.Equal(status, true, "stopValueRead() did not return true when String error found")
}
func TestStopValueReadFalseWhenWrongErr(t *testing.T) {
assert := assert.New(t)
status := stopValueRead(errors.New("something else"))
assert.Equal(status, false, "stopValueRead() did not return false when non String error found")
}
func TestBeginsWithCorrectWhenTrue(t *testing.T) {
assert := assert.New(t)
slice := []byte{0x41}
assert.Equal(beginsWith(slice, 0x41), true, "beginsWith() did not return true when correct")
}
func TestBeginsWithCorrectWhenFalse(t *testing.T) {
assert := assert.New(t)
slice := []byte{0x00}
assert.Equal(beginsWith(slice, 0x41), false, "beginsWith() did not false when incorrect")
}
func TestBeginsWithCorrectWhenNil(t *testing.T) {
assert := assert.New(t)
slice := make([]byte, 0)
assert.Equal(beginsWith(slice, 0x41), false, "beginsWith() did not return false on empty slice")
}