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82 lines
1.8 KiB
Go
82 lines
1.8 KiB
Go
package clientinterceptors
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import (
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"context"
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"errors"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/tal-tech/go-zero/core/breaker"
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"github.com/tal-tech/go-zero/core/stat"
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rcodes "github.com/tal-tech/go-zero/rpcx/internal/codes"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func init() {
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stat.SetReporter(nil)
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}
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type mockError struct {
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st *status.Status
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}
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func (m mockError) GRPCStatus() *status.Status {
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return m.st
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}
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func (m mockError) Error() string {
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return "mocked error"
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}
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func TestBreakerInterceptorNotFound(t *testing.T) {
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err := mockError{st: status.New(codes.NotFound, "any")}
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for i := 0; i < 1000; i++ {
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assert.Equal(t, err, breaker.DoWithAcceptable("call", func() error {
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return err
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}, rcodes.Acceptable))
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}
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}
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func TestBreakerInterceptorDeadlineExceeded(t *testing.T) {
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err := mockError{st: status.New(codes.DeadlineExceeded, "any")}
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errs := make(map[error]int)
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for i := 0; i < 1000; i++ {
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e := breaker.DoWithAcceptable("call", func() error {
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return err
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}, rcodes.Acceptable)
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errs[e]++
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}
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assert.Equal(t, 2, len(errs))
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assert.True(t, errs[err] > 0)
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assert.True(t, errs[breaker.ErrServiceUnavailable] > 0)
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}
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func TestBreakerInterceptor(t *testing.T) {
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tests := []struct {
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name string
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err error
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}{
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{
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name: "nil",
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err: nil,
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},
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{
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name: "with error",
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err: errors.New("mock"),
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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cc := new(grpc.ClientConn)
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err := BreakerInterceptor(context.Background(), "/foo", nil, nil, cc,
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func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn,
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opts ...grpc.CallOption) error {
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return test.err
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})
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assert.Equal(t, test.err, err)
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})
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}
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}
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