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package e2e_test
import (
"bytes"
"context"
"fmt"
"math/rand"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
tmrand "github.com/tendermint/tendermint/libs/rand"
"github.com/tendermint/tendermint/rpc/client/http"
e2e "github.com/tendermint/tendermint/test/e2e/pkg"
"github.com/tendermint/tendermint/types"
)
const (
randomSeed = 4827085738
)
// Tests that any initial state given in genesis has made it into the app.
func TestApp_InitialState(t *testing.T) {
testNode(t, func(ctx context.Context, t *testing.T, node e2e.Node) {
if len(node.Testnet.InitialState) == 0 {
return
}
client, err := node.Client()
require.NoError(t, err)
for k, v := range node.Testnet.InitialState {
resp, err := client.ABCIQuery(ctx, "", []byte(k))
require.NoError(t, err)
assert.Equal(t, k, string(resp.Response.Key))
assert.Equal(t, v, string(resp.Response.Value))
}
})
}
// Tests that the app hash (as reported by the app) matches the last
// block and the node sync status.
func TestApp_Hash(t *testing.T) {
testNode(t, func(ctx context.Context, t *testing.T, node e2e.Node) {
client, err := node.Client()
require.NoError(t, err)
info, err := client.ABCIInfo(ctx)
require.NoError(t, err)
require.NotEmpty(t, info.Response.LastBlockAppHash, "expected app to return app hash")
status, err := client.Status(ctx)
require.NoError(t, err)
require.NotZero(t, status.SyncInfo.LatestBlockHeight)
block, err := client.Block(ctx, &info.Response.LastBlockHeight)
require.NoError(t, err)
if info.Response.LastBlockHeight == block.Block.Height {
require.Equal(t,
fmt.Sprintf("%x", info.Response.LastBlockAppHash),
fmt.Sprintf("%x", block.Block.AppHash.Bytes()),
"app hash does not match last block's app hash")
}
require.True(t, status.SyncInfo.LatestBlockHeight >= info.Response.LastBlockHeight,
"status out of sync with application")
})
}
// Tests that the app and blockstore have and report the same height.
func TestApp_Height(t *testing.T) {
testNode(t, func(ctx context.Context, t *testing.T, node e2e.Node) {
client, err := node.Client()
require.NoError(t, err)
info, err := client.ABCIInfo(ctx)
require.NoError(t, err)
require.NotZero(t, info.Response.LastBlockHeight)
status, err := client.Status(ctx)
require.NoError(t, err)
require.NotZero(t, status.SyncInfo.LatestBlockHeight)
block, err := client.Block(ctx, &info.Response.LastBlockHeight)
require.NoError(t, err)
require.Equal(t, info.Response.LastBlockHeight, block.Block.Height)
require.True(t, status.SyncInfo.LatestBlockHeight >= info.Response.LastBlockHeight,
"status out of sync with application")
})
}
// Tests that we can set a value and retrieve it.
func TestApp_Tx(t *testing.T) {
type broadcastFunc func(context.Context, types.Tx) error
testCases := []struct {
Name string
WaitTime time.Duration
BroadcastTx func(client *http.HTTP) broadcastFunc
ShouldSkip bool
}{
{
Name: "Sync",
WaitTime: time.Minute,
BroadcastTx: func(client *http.HTTP) broadcastFunc {
return func(ctx context.Context, tx types.Tx) error {
_, err := client.BroadcastTxSync(ctx, tx)
return err
}
},
},
{
Name: "Commit",
WaitTime: 15 * time.Second,
// TODO: turn this check back on if it can
// return reliably. Currently these calls have
// a hard timeout of 10s (server side
// configured). The Sync check is probably
// safe.
ShouldSkip: true,
BroadcastTx: func(client *http.HTTP) broadcastFunc {
return func(ctx context.Context, tx types.Tx) error {
_, err := client.BroadcastTxCommit(ctx, tx)
return err
}
},
},
{
Name: "Async",
WaitTime: 90 * time.Second,
// TODO: turn this check back on if there's a
// way to avoid failures in the case that the
// transaction doesn't make it into the
// mempool. (retries?)
ShouldSkip: true,
BroadcastTx: func(client *http.HTTP) broadcastFunc {
return func(ctx context.Context, tx types.Tx) error {
_, err := client.BroadcastTxAsync(ctx, tx)
return err
}
},
},
}
r := rand.New(rand.NewSource(randomSeed))
for idx, test := range testCases {
if test.ShouldSkip {
continue
}
t.Run(test.Name, func(t *testing.T) {
test := testCases[idx]
testNode(t, func(ctx context.Context, t *testing.T, node e2e.Node) {
client, err := node.Client()
require.NoError(t, err)
key := fmt.Sprintf("testapp-tx-%v", node.Name)
value := tmrand.StrFromSource(r, 32)
tx := types.Tx(fmt.Sprintf("%v=%v", key, value))
require.NoError(t, test.BroadcastTx(client)(ctx, tx))
hash := tx.Hash()
require.Eventuallyf(t, func() bool {
txResp, err := client.Tx(ctx, hash, false)
return err == nil && bytes.Equal(txResp.Tx, tx)
},
test.WaitTime, // timeout
time.Second, // interval
"submitted tx %X wasn't committed after %v",
hash, test.WaitTime,
)
abciResp, err := client.ABCIQuery(ctx, "", []byte(key))
require.NoError(t, err)
assert.Equal(t, key, string(abciResp.Response.Key))
assert.Equal(t, value, string(abciResp.Response.Value))
})
})
}
}