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76 lines
2.0 KiB
76 lines
2.0 KiB
package client_test
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import (
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"errors"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/rpc/client"
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"github.com/tendermint/tendermint/rpc/client/mock"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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)
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func TestWaitForHeight(t *testing.T) {
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assert, require := assert.New(t), require.New(t)
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// test with error result - immediate failure
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m := &mock.StatusMock{
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Call: mock.Call{
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Error: errors.New("bye"),
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},
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}
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r := mock.NewStatusRecorder(m)
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// connection failure always leads to error
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err := client.WaitForHeight(r, 8, nil)
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require.NotNil(err)
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require.Equal("bye", err.Error())
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// we called status once to check
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require.Equal(1, len(r.Calls))
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// now set current block height to 10
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m.Call = mock.Call{
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Response: &ctypes.ResultStatus{LatestBlockHeight: 10},
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}
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// we will not wait for more than 10 blocks
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err = client.WaitForHeight(r, 40, nil)
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require.NotNil(err)
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require.True(strings.Contains(err.Error(), "aborting"))
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// we called status once more to check
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require.Equal(2, len(r.Calls))
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// waiting for the past returns immediately
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err = client.WaitForHeight(r, 5, nil)
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require.Nil(err)
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// we called status once more to check
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require.Equal(3, len(r.Calls))
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// since we can't update in a background goroutine (test --race)
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// we use the callback to update the status height
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myWaiter := func(delta int) error {
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// update the height for the next call
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m.Call.Response = &ctypes.ResultStatus{LatestBlockHeight: 15}
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return client.DefaultWaitStrategy(delta)
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}
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// we wait for a few blocks
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err = client.WaitForHeight(r, 12, myWaiter)
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require.Nil(err)
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// we called status once to check
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require.Equal(5, len(r.Calls))
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pre := r.Calls[3]
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require.Nil(pre.Error)
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prer, ok := pre.Response.(*ctypes.ResultStatus)
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require.True(ok)
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assert.Equal(10, prer.LatestBlockHeight)
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post := r.Calls[4]
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require.Nil(post.Error)
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postr, ok := post.Response.(*ctypes.ResultStatus)
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require.True(ok)
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assert.Equal(15, postr.LatestBlockHeight)
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}
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