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fda720b880
issue: #33285 - add two grpc resolver (by session and by streaming coord assignment service) - add one grpc balancer (by serverID and roundrobin) - add lazy conn to avoid block by first service discovery - add some utility function for streaming service Signed-off-by: chyezh <chyezh@outlook.com>
48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
package resolver
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import (
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"context"
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"testing"
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"github.com/milvus-io/milvus/internal/mocks/google.golang.org/grpc/mock_resolver"
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"github.com/milvus-io/milvus/internal/mocks/util/streamingutil/service/mock_discoverer"
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"github.com/milvus-io/milvus/internal/util/streamingutil/service/discoverer"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/mock"
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"google.golang.org/grpc/resolver"
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)
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func TestNewBuilder(t *testing.T) {
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d := mock_discoverer.NewMockDiscoverer(t)
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ch := make(chan discoverer.VersionedState)
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d.EXPECT().Discover(mock.Anything, mock.Anything).RunAndReturn(func(ctx context.Context, cb func(discoverer.VersionedState) error) error {
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for {
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select {
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case state := <-ch:
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if err := cb(state); err != nil {
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return err
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}
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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})
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d.EXPECT().NewVersionedState().Return(discoverer.VersionedState{
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Version: typeutil.VersionInt64(-1),
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})
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b := newBuilder("test", d)
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r := b.Resolver()
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assert.NotNil(t, r)
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assert.Equal(t, "test", b.Scheme())
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mockClientConn := mock_resolver.NewMockClientConn(t)
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mockClientConn.EXPECT().UpdateState(mock.Anything).RunAndReturn(func(args resolver.State) error {
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return nil
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})
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grpcResolver, err := b.Build(resolver.Target{}, mockClientConn, resolver.BuildOptions{})
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assert.NoError(t, err)
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assert.NotNil(t, grpcResolver)
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b.Close()
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}
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