mirror of
https://github.com/octoleo/syncthing.git
synced 2024-12-23 11:28:59 +00:00
386 lines
8.4 KiB
Go
386 lines
8.4 KiB
Go
// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
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// All rights reserved. Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package protocol
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import (
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"bytes"
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"encoding/hex"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"reflect"
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"testing"
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"testing/quick"
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"github.com/calmh/xdr"
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pretty "github.com/tonnerre/golang-pretty"
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)
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var (
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c0ID = NewNodeID([]byte{1})
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c1ID = NewNodeID([]byte{2})
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)
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func TestHeaderFunctions(t *testing.T) {
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f := func(ver, id, typ int) bool {
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ver = int(uint(ver) % 16)
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id = int(uint(id) % 4096)
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typ = int(uint(typ) % 256)
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h0 := header{version: ver, msgID: id, msgType: typ}
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h1 := decodeHeader(encodeHeader(h0))
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return h0 == h1
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}
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if err := quick.Check(f, nil); err != nil {
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t.Error(err)
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}
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}
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func TestHeaderLayout(t *testing.T) {
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var e, a uint32
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// Version are the first four bits
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e = 0xf0000000
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a = encodeHeader(header{version: 0xf})
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if a != e {
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t.Errorf("Header layout incorrect; %08x != %08x", a, e)
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}
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// Message ID are the following 12 bits
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e = 0x0fff0000
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a = encodeHeader(header{msgID: 0xfff})
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if a != e {
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t.Errorf("Header layout incorrect; %08x != %08x", a, e)
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}
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// Type are the last 8 bits before reserved
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e = 0x0000ff00
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a = encodeHeader(header{msgType: 0xff})
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if a != e {
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t.Errorf("Header layout incorrect; %08x != %08x", a, e)
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}
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}
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func TestPing(t *testing.T) {
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection(c0ID, ar, bw, nil, "name", true).(wireFormatConnection).next.(*rawConnection)
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c1 := NewConnection(c1ID, br, aw, nil, "name", true).(wireFormatConnection).next.(*rawConnection)
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if ok := c0.ping(); !ok {
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t.Error("c0 ping failed")
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}
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if ok := c1.ping(); !ok {
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t.Error("c1 ping failed")
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}
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}
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func TestPingErr(t *testing.T) {
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e := errors.New("something broke")
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for i := 0; i < 16; i++ {
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for j := 0; j < 16; j++ {
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m0 := newTestModel()
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m1 := newTestModel()
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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eaw := &ErrPipe{PipeWriter: *aw, max: i, err: e}
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ebw := &ErrPipe{PipeWriter: *bw, max: j, err: e}
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c0 := NewConnection(c0ID, ar, ebw, m0, "name", true).(wireFormatConnection).next.(*rawConnection)
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NewConnection(c1ID, br, eaw, m1, "name", true)
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res := c0.ping()
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if (i < 8 || j < 8) && res {
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t.Errorf("Unexpected ping success; i=%d, j=%d", i, j)
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} else if (i >= 12 && j >= 12) && !res {
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t.Errorf("Unexpected ping fail; i=%d, j=%d", i, j)
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}
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}
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}
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}
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// func TestRequestResponseErr(t *testing.T) {
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// e := errors.New("something broke")
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// var pass bool
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// for i := 0; i < 48; i++ {
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// for j := 0; j < 38; j++ {
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// m0 := newTestModel()
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// m0.data = []byte("response data")
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// m1 := newTestModel()
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// ar, aw := io.Pipe()
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// br, bw := io.Pipe()
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// eaw := &ErrPipe{PipeWriter: *aw, max: i, err: e}
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// ebw := &ErrPipe{PipeWriter: *bw, max: j, err: e}
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// NewConnection(c0ID, ar, ebw, m0, nil)
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// c1 := NewConnection(c1ID, br, eaw, m1, nil).(wireFormatConnection).next.(*rawConnection)
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// d, err := c1.Request("default", "tn", 1234, 5678)
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// if err == e || err == ErrClosed {
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// t.Logf("Error at %d+%d bytes", i, j)
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// if !m1.isClosed() {
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// t.Fatal("c1 not closed")
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// }
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// if !m0.isClosed() {
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// t.Fatal("c0 not closed")
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// }
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// continue
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// }
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// if err != nil {
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// t.Fatal(err)
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// }
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// if string(d) != "response data" {
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// t.Fatalf("Incorrect response data %q", string(d))
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// }
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// if m0.repo != "default" {
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// t.Fatalf("Incorrect repo %q", m0.repo)
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// }
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// if m0.name != "tn" {
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// t.Fatalf("Incorrect name %q", m0.name)
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// }
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// if m0.offset != 1234 {
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// t.Fatalf("Incorrect offset %d", m0.offset)
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// }
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// if m0.size != 5678 {
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// t.Fatalf("Incorrect size %d", m0.size)
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// }
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// t.Logf("Pass at %d+%d bytes", i, j)
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// pass = true
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// }
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// }
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// if !pass {
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// t.Fatal("Never passed")
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// }
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// }
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func TestVersionErr(t *testing.T) {
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m0 := newTestModel()
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m1 := newTestModel()
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection(c0ID, ar, bw, m0, "name", true).(wireFormatConnection).next.(*rawConnection)
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NewConnection(c1ID, br, aw, m1, "name", true)
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w := xdr.NewWriter(c0.cw)
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w.WriteUint32(encodeHeader(header{
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version: 2,
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msgID: 0,
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msgType: 0,
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}))
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w.WriteUint32(0)
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if !m1.isClosed() {
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t.Error("Connection should close due to unknown version")
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}
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}
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func TestTypeErr(t *testing.T) {
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m0 := newTestModel()
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m1 := newTestModel()
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection(c0ID, ar, bw, m0, "name", true).(wireFormatConnection).next.(*rawConnection)
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NewConnection(c1ID, br, aw, m1, "name", true)
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w := xdr.NewWriter(c0.cw)
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w.WriteUint32(encodeHeader(header{
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version: 0,
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msgID: 0,
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msgType: 42,
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}))
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w.WriteUint32(0)
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if !m1.isClosed() {
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t.Error("Connection should close due to unknown message type")
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}
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}
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func TestClose(t *testing.T) {
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m0 := newTestModel()
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m1 := newTestModel()
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection(c0ID, ar, bw, m0, "name", true).(wireFormatConnection).next.(*rawConnection)
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NewConnection(c1ID, br, aw, m1, "name", true)
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c0.close(nil)
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<-c0.closed
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if !m0.isClosed() {
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t.Fatal("Connection should be closed")
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}
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// None of these should panic, some should return an error
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if c0.ping() {
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t.Error("Ping should not return true")
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}
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c0.Index("default", nil)
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c0.Index("default", nil)
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if _, err := c0.Request("default", "foo", 0, 0); err == nil {
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t.Error("Request should return an error")
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}
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}
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func TestElementSizeExceededNested(t *testing.T) {
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m := ClusterConfigMessage{
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Repositories: []Repository{
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{ID: "longstringlongstringlongstringinglongstringlongstringlonlongstringlongstringlon"},
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},
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}
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_, err := m.EncodeXDR(ioutil.Discard)
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if err == nil {
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t.Errorf("ID length %d > max 64, but no error", len(m.Repositories[0].ID))
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}
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}
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func TestMarshalIndexMessage(t *testing.T) {
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var quickCfg = &quick.Config{MaxCountScale: 10}
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if testing.Short() {
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quickCfg = nil
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}
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f := func(m1 IndexMessage) bool {
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for _, f := range m1.Files {
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for i := range f.Blocks {
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f.Blocks[i].Offset = 0
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if len(f.Blocks[i].Hash) == 0 {
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f.Blocks[i].Hash = nil
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}
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}
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}
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return testMarshal(t, "index", &m1, &IndexMessage{})
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}
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if err := quick.Check(f, quickCfg); err != nil {
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t.Error(err)
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}
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}
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func TestMarshalRequestMessage(t *testing.T) {
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var quickCfg = &quick.Config{MaxCountScale: 10}
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if testing.Short() {
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quickCfg = nil
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}
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f := func(m1 RequestMessage) bool {
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return testMarshal(t, "request", &m1, &RequestMessage{})
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}
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if err := quick.Check(f, quickCfg); err != nil {
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t.Error(err)
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}
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}
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func TestMarshalResponseMessage(t *testing.T) {
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var quickCfg = &quick.Config{MaxCountScale: 10}
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if testing.Short() {
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quickCfg = nil
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}
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f := func(m1 ResponseMessage) bool {
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if len(m1.Data) == 0 {
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m1.Data = nil
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}
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return testMarshal(t, "response", &m1, &ResponseMessage{})
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}
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if err := quick.Check(f, quickCfg); err != nil {
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t.Error(err)
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}
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}
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func TestMarshalClusterConfigMessage(t *testing.T) {
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var quickCfg = &quick.Config{MaxCountScale: 10}
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if testing.Short() {
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quickCfg = nil
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}
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f := func(m1 ClusterConfigMessage) bool {
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return testMarshal(t, "clusterconfig", &m1, &ClusterConfigMessage{})
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}
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if err := quick.Check(f, quickCfg); err != nil {
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t.Error(err)
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}
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}
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func TestMarshalCloseMessage(t *testing.T) {
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var quickCfg = &quick.Config{MaxCountScale: 10}
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if testing.Short() {
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quickCfg = nil
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}
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f := func(m1 CloseMessage) bool {
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return testMarshal(t, "close", &m1, &CloseMessage{})
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}
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if err := quick.Check(f, quickCfg); err != nil {
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t.Error(err)
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}
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}
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type message interface {
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EncodeXDR(io.Writer) (int, error)
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DecodeXDR(io.Reader) error
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}
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func testMarshal(t *testing.T, prefix string, m1, m2 message) bool {
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var buf bytes.Buffer
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failed := func(bc []byte) {
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f, _ := os.Create(prefix + "-1.txt")
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pretty.Fprintf(f, "%# v", m1)
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f.Close()
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f, _ = os.Create(prefix + "-2.txt")
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pretty.Fprintf(f, "%# v", m2)
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f.Close()
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if len(bc) > 0 {
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f, _ := os.Create(prefix + "-data.txt")
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fmt.Fprint(f, hex.Dump(bc))
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f.Close()
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}
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}
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_, err := m1.EncodeXDR(&buf)
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if err == xdr.ErrElementSizeExceeded {
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return true
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}
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if err != nil {
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failed(nil)
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t.Fatal(err)
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}
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bc := make([]byte, len(buf.Bytes()))
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copy(bc, buf.Bytes())
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err = m2.DecodeXDR(&buf)
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if err != nil {
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failed(bc)
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t.Fatal(err)
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}
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ok := reflect.DeepEqual(m1, m2)
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if !ok {
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failed(bc)
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}
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return ok
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}
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