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