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140 lines
3.7 KiB
140 lines
3.7 KiB
package e2e_test
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import (
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"context"
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"os"
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"sync"
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"testing"
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"github.com/stretchr/testify/require"
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rpchttp "github.com/tendermint/tendermint/rpc/client/http"
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rpctypes "github.com/tendermint/tendermint/rpc/coretypes"
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e2e "github.com/tendermint/tendermint/test/e2e/pkg"
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"github.com/tendermint/tendermint/types"
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)
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func init() {
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// This can be used to manually specify a testnet manifest and/or node to
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// run tests against. The testnet must have been started by the runner first.
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// os.Setenv("E2E_MANIFEST", "networks/ci.toml")
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// os.Setenv("E2E_NODE", "validator01")
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}
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var (
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testnetCache = map[string]e2e.Testnet{}
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testnetCacheMtx = sync.Mutex{}
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blocksCache = map[string][]*types.Block{}
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blocksCacheMtx = sync.Mutex{}
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)
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// testNode runs tests for testnet nodes. The callback function is
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// given a single stateful node to test, running as a subtest in
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// parallel with other subtests.
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//
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// The testnet manifest must be given as the envvar E2E_MANIFEST. If not set,
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// these tests are skipped so that they're not picked up during normal unit
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// test runs. If E2E_NODE is also set, only the specified node is tested,
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// otherwise all nodes are tested.
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func testNode(t *testing.T, testFunc func(context.Context, *testing.T, e2e.Node)) {
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t.Helper()
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testnet := loadTestnet(t)
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nodes := testnet.Nodes
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if name := os.Getenv("E2E_NODE"); name != "" {
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node := testnet.LookupNode(name)
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require.NotNil(t, node, "node %q not found in testnet %q", name, testnet.Name)
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nodes = []*e2e.Node{node}
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}
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for _, node := range nodes {
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node := *node
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if node.Stateless() {
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continue
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}
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t.Run(node.Name, func(t *testing.T) {
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t.Parallel()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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testFunc(ctx, t, node)
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})
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}
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}
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// loadTestnet loads the testnet based on the E2E_MANIFEST envvar.
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func loadTestnet(t *testing.T) e2e.Testnet {
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t.Helper()
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manifest := os.Getenv("E2E_MANIFEST")
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if manifest == "" {
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t.Skip("E2E_MANIFEST not set, not an end-to-end test run")
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}
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testnetCacheMtx.Lock()
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defer testnetCacheMtx.Unlock()
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if testnet, ok := testnetCache[manifest]; ok {
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return testnet
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}
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testnet, err := e2e.LoadTestnet(manifest)
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require.NoError(t, err)
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testnetCache[manifest] = *testnet
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return *testnet
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}
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// fetchBlockChain fetches a complete, up-to-date block history from
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// the freshest testnet archive node.
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func fetchBlockChain(ctx context.Context, t *testing.T) []*types.Block {
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t.Helper()
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testnet := loadTestnet(t)
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// Find the freshest archive node
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var (
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client *rpchttp.HTTP
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status *rpctypes.ResultStatus
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)
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for _, node := range testnet.ArchiveNodes() {
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c, err := node.Client()
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require.NoError(t, err)
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s, err := c.Status(ctx)
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require.NoError(t, err)
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if status == nil || s.SyncInfo.LatestBlockHeight > status.SyncInfo.LatestBlockHeight {
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client = c
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status = s
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}
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}
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require.NotNil(t, client, "couldn't find an archive node")
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// Fetch blocks. Look for existing block history in the block cache, and
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// extend it with any new blocks that have been produced.
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blocksCacheMtx.Lock()
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defer blocksCacheMtx.Unlock()
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from := status.SyncInfo.EarliestBlockHeight
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to := status.SyncInfo.LatestBlockHeight
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blocks, ok := blocksCache[testnet.Name]
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if !ok {
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blocks = make([]*types.Block, 0, to-from+1)
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}
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if len(blocks) > 0 {
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from = blocks[len(blocks)-1].Height + 1
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}
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for h := from; h <= to; h++ {
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resp, err := client.Block(ctx, &(h))
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require.NoError(t, err)
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require.NotNil(t, resp.Block)
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require.Equal(t, h, resp.Block.Height, "unexpected block height %v", resp.Block.Height)
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blocks = append(blocks, resp.Block)
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}
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require.NotEmpty(t, blocks, "blockchain does not contain any blocks")
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blocksCache[testnet.Name] = blocks
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return blocks
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}
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