198 lines
3.9 KiB
Go
198 lines
3.9 KiB
Go
package protocol
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import (
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"errors"
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"io"
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"testing"
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"testing/quick"
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"time"
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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{ver, id, 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 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("c0", ar, bw, nil, nil)
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c1 := NewConnection("c1", br, aw, nil, nil)
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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 < 12; i++ {
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for j := 0; j < 12; j++ {
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m0 := &TestModel{}
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m1 := &TestModel{}
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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("c0", ar, ebw, m0, nil)
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NewConnection("c1", br, eaw, m1, nil)
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res := c0.ping()
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if (i < 4 || j < 4) && res {
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t.Errorf("Unexpected ping success; i=%d, j=%d", i, j)
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} else if (i >= 8 && j >= 8) && !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 := &TestModel{data: []byte("response data")}
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m1 := &TestModel{}
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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("c0", ar, ebw, m0, nil)
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c1 := NewConnection("c1", br, eaw, m1, nil)
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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.closed {
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t.Error("c1 not closed")
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}
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time.Sleep(1 * time.Millisecond)
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if !m0.closed {
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t.Error("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.Error(err)
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}
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if string(d) != "response data" {
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t.Errorf("Incorrect response data %q", string(d))
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}
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if m0.repo != "default" {
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t.Errorf("Incorrect repo %q", m0.repo)
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}
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if m0.name != "tn" {
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t.Errorf("Incorrect name %q", m0.name)
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}
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if m0.offset != 1234 {
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t.Errorf("Incorrect offset %d", m0.offset)
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}
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if m0.size != 5678 {
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t.Errorf("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.Error("Never passed")
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}
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}
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func TestVersionErr(t *testing.T) {
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m0 := &TestModel{}
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m1 := &TestModel{}
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection("c0", ar, bw, m0, nil)
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NewConnection("c1", br, aw, m1, nil)
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c0.xw.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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c0.flush()
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if !m1.closed {
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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 := &TestModel{}
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m1 := &TestModel{}
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection("c0", ar, bw, m0, nil)
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NewConnection("c1", br, aw, m1, nil)
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c0.xw.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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c0.flush()
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if !m1.closed {
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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 := &TestModel{}
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m1 := &TestModel{}
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ar, aw := io.Pipe()
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br, bw := io.Pipe()
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c0 := NewConnection("c0", ar, bw, m0, nil)
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NewConnection("c1", br, aw, m1, nil)
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c0.close(nil)
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ok := c0.isClosed()
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if !ok {
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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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ok = c0.ping()
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if ok {
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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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_, err := c0.Request("default", "foo", 0, 0)
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if 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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