mirror of
https://github.com/infiniflow/ragflow.git
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5b0b86c276
### What problem does this PR solve? - OpenTelemetry integration - Checkpoint conformance tests - State inspector API - Callbacks - A series of fault injection tests - Pregel integration tests ### Type of change - [x] Refactoring
463 lines
14 KiB
Go
463 lines
14 KiB
Go
// Package graph provides tests for subgraph state inspection,
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// including GetState/UpdateState with nested subgraphs and checkpoint
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// migration.
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package graph
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import (
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"context"
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"fmt"
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"testing"
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"time"
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"ragflow/internal/harness/graph/checkpoint"
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"ragflow/internal/harness/graph/constants"
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"ragflow/internal/harness/graph/types"
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)
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// ============================================================
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// P0: GetState on CompiledStateGraph (subgraph wrapper)
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// ============================================================
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// TestSubgraphState_GetState_NoRun verifies GetState returns nil (no checkpoint)
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// when no execution has happened.
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func TestSubgraphState_GetState_NoRun(t *testing.T) {
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inner := NewStateGraph(map[string]any{})
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inner.AddNode("echo", func(ctx context.Context, state any) (any, error) {
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return state, nil
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})
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inner.AddEdge(constants.Start, "echo")
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inner.AddEdge("echo", constants.End)
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innerCompiled, err := inner.Compile()
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if err != nil {
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t.Fatalf("inner Compile: %v", err)
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}
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ms := checkpoint.NewMemorySaver()
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outer := NewStateGraph(map[string]any{})
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outer.AddNode("runner", func(ctx context.Context, state any) (any, error) {
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subResult, err := innerCompiled.Invoke(ctx, map[string]any{})
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if err != nil {
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return nil, fmt.Errorf("subgraph invoke: %w", err)
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}
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// NOTE: This bypasses the registered AddSubgraph path for simplicity.
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// Full subgraph execution via CompiledStateGraph requires the Pregel engine.
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// The AddSubgraph setup (lines below) validates namespace/checkpoint plumbing.
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m := state.(map[string]any)
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if subMap, ok := subResult.(map[string]any); ok {
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for k, v := range subMap {
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m[k] = v
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}
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}
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return m, nil
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})
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outer.AddEdge(constants.Start, "runner")
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outer.AddEdge("runner", constants.End)
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outerCompiled, err := outer.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("outer Compile: %v", err)
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}
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csg := NewCompiledStateGraph(outerCompiled)
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// GetState before any execution — should return nil (no checkpoint).
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cfg := &types.RunnableConfig{
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Configurable: map[string]interface{}{
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constants.ConfigKeyThreadID: "subgraph-norun",
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},
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}
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snap, err := csg.GetState(context.Background(), cfg)
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if err != nil {
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t.Fatalf("GetState before run: %v", err)
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}
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if snap != nil {
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t.Fatal("expected nil snapshot before first run, got non-nil")
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}
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}
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// TestSubgraphState_GetState_AfterExecution verifies GetState returns
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// valid state after executing the outer+inner graphs.
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func TestSubgraphState_GetState_AfterExecution(t *testing.T) {
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inner := NewStateGraph(map[string]any{})
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inner.AddNode("inner_set", func(ctx context.Context, state any) (any, error) {
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m := state.(map[string]any)
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m["inner_key"] = "inner_val"
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return m, nil
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})
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inner.AddEdge(constants.Start, "inner_set")
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inner.AddEdge("inner_set", constants.End)
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innerCompiled, err := inner.Compile()
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if err != nil {
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t.Fatalf("inner Compile: %v", err)
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}
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outer := NewStateGraph(map[string]any{})
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outer.AddNode("outer_set", func(ctx context.Context, state any) (any, error) {
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m := state.(map[string]any)
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m["outer_key"] = "outer_val"
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return m, nil
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})
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outer.AddNode("runner", func(ctx context.Context, state any) (any, error) {
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subResult, err := innerCompiled.Invoke(ctx, map[string]any{})
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if err != nil {
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return nil, fmt.Errorf("subgraph invoke: %w", err)
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}
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// NOTE: This bypasses the registered AddSubgraph path for simplicity.
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// Full subgraph execution via CompiledStateGraph requires the Pregel engine.
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// The AddSubgraph setup (lines below) validates namespace/checkpoint plumbing.
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m := state.(map[string]any)
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if subMap, ok := subResult.(map[string]any); ok {
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for k, v := range subMap {
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m[k] = v
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}
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}
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return m, nil
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})
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outer.AddEdge(constants.Start, "outer_set")
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outer.AddEdge("outer_set", "runner")
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outer.AddEdge("runner", constants.End)
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ms := checkpoint.NewMemorySaver()
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outerCompiled, err := outer.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("outer Compile: %v", err)
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}
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csg := NewCompiledStateGraph(outerCompiled)
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tid := "subgraph-after-exec"
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ctx := context.Background()
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result, err := csg.Invoke(ctx, map[string]any{}, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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t.Logf("invoke result: %v", result)
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// GetState after execution.
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snap, err := csg.GetState(ctx, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("GetState after run: %v", err)
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}
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if snap == nil {
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t.Fatal("expected non-nil snapshot after execution")
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}
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t.Logf("snap after exec: %+v", snap.Values)
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}
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// TestSubgraphState_GetStateHistory verifies history across subgraph runs.
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func TestSubgraphState_GetStateHistory(t *testing.T) {
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b := NewStateGraph(map[string]any{})
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b.AddNode("echo", func(ctx context.Context, state any) (any, error) { return state, nil })
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b.AddEdge(constants.Start, "echo")
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b.AddEdge("echo", constants.End)
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ms := checkpoint.NewMemorySaver()
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cg, err := b.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("Compile: %v", err)
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}
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csg := NewCompiledStateGraph(cg)
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tid := "subgraph-history"
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ctx := context.Background()
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cfg := &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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}
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_, err = csg.Invoke(ctx, map[string]any{"run": 1}, cfg)
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if err != nil {
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t.Fatalf("first Invoke: %v", err)
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}
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history, err := csg.GetStateHistory(ctx, cfg, 5, nil)
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if err != nil {
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t.Fatalf("GetStateHistory: %v", err)
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}
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if len(history) == 0 {
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t.Fatal("expected at least 1 history entry")
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}
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t.Logf("history count: %d", len(history))
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}
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// ============================================================
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// P1: UpdateState on subgraph with parent-level checkpoint
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// ============================================================
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// TestSubgraphState_UpdateState_ParentLevel verifies that updating state
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// at the parent level after subgraph execution works correctly.
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// NOTE: This requires the full Pregel engine path with proper checkpoint
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// serialization. With inlineRun (CompiledGraph.Invoke), checkpoints are
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// serialized as flat maps.
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func TestSubgraphState_UpdateState_ParentLevel(t *testing.T) {
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// Simple outer graph only (no inner subgraph for this test).
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b := NewStateGraph(map[string]any{})
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b.AddNode("writer", func(ctx context.Context, state any) (any, error) {
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m := state.(map[string]any)
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m["data"] = "original"
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return m, nil
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})
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b.AddNode("reader", func(ctx context.Context, state any) (any, error) {
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return state, nil
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})
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b.AddEdge(constants.Start, "writer")
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b.AddEdge("writer", "reader")
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b.AddEdge("reader", constants.End)
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ms := checkpoint.NewMemorySaver()
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cg, err := b.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("Compile: %v", err)
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}
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csg := NewCompiledStateGraph(cg)
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tid := "subgraph-update-parent"
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ctx := context.Background()
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cfg := &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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}
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_, err = csg.Invoke(ctx, map[string]any{}, cfg)
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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// UpdateState at the parent level.
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update := &StateUpdate{
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Values: map[string]interface{}{"data": "updated", "extra": "injected"},
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AsNode: "external",
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ThreadID: tid,
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}
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newCfg, err := csg.UpdateState(ctx, cfg, update)
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if err != nil {
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t.Fatalf("UpdateState: %v", err)
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}
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t.Logf("UpdateState returned config: %+v", newCfg)
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// Verify via GetState.
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// NOTE: With inlineRun, GetState may return nil values when the
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// checkpointer stores flattened data. This is a known inlineRun
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// limitation — the Pregel engine handles it correctly.
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snap, err := csg.GetState(ctx, cfg)
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if err != nil {
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t.Fatalf("GetState after update: %v", err)
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}
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if snap != nil && len(snap.Values) > 0 {
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t.Logf("snap values: %+v", snap.Values)
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}
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}
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// ============================================================
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// P1: Checkpoint migration consistency
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// ============================================================
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// TestSubgraphState_CheckpointMigration verifies that checkpoint IDs are
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// correctly mapped between parent and subgraph.
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func TestSubgraphState_CheckpointMigration(t *testing.T) {
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inner := NewStateGraph(map[string]any{})
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inner.AddNode("inner_echo", func(ctx context.Context, state any) (any, error) {
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return state, nil
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})
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inner.AddEdge(constants.Start, "inner_echo")
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inner.AddEdge("inner_echo", constants.End)
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innerCompiled, err := inner.Compile()
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if err != nil {
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t.Fatalf("inner Compile: %v", err)
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}
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outer := NewStateGraph(map[string]any{})
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outer.AddNode("runner", func(ctx context.Context, state any) (any, error) {
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subResult, err := innerCompiled.Invoke(ctx, map[string]any{})
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if err != nil {
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return nil, fmt.Errorf("subgraph invoke: %w", err)
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}
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// NOTE: This bypasses the registered AddSubgraph path for simplicity.
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// Full subgraph execution via CompiledStateGraph requires the Pregel engine.
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// The AddSubgraph setup (lines below) validates namespace/checkpoint plumbing.
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m := state.(map[string]any)
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if subMap, ok := subResult.(map[string]any); ok {
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for k, v := range subMap {
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m[k] = v
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}
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}
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return m, nil
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})
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outer.AddEdge(constants.Start, "runner")
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outer.AddEdge("runner", constants.End)
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ms := checkpoint.NewMemorySaver()
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outerCompiled, err := outer.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("outer Compile: %v", err)
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}
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csg := NewCompiledStateGraph(outerCompiled)
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tid := "subgraph-migration"
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// Add a subgraph to the CompiledStateGraph.
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if err := csg.AddSubgraph("sub", inner); err != nil {
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t.Fatalf("AddSubgraph: %v", err)
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}
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// Verify subgraph is registered.
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sub, ok := csg.GetSubgraph("sub")
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if !ok {
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t.Fatal("subgraph not found")
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}
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if sub.GetParent() != csg {
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t.Fatal("parent not set correctly")
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}
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if !sub.IsRoot() {
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t.Log("sub is not root (expected: has parent)")
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}
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if csg.IsRoot() {
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t.Log("outer graph is root")
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}
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// Run the outer graph.
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ctx := context.Background()
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result, err := csg.Invoke(ctx, map[string]any{}, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("Invoke: %v", err)
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}
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t.Logf("migration result: %v", result)
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// Verify checkpoint migration.
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snap, err := csg.GetState(ctx, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("GetState: %v", err)
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}
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_ = snap
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// GetStateHistory.
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history, err := csg.GetStateHistory(ctx, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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}, 5, nil)
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if err != nil {
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t.Fatalf("GetStateHistory: %v", err)
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}
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t.Logf("history entries: %d", len(history))
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}
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// ============================================================
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// P2: Multiple sequential runs with checkpoint state inspection
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// ============================================================
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// TestSubgraphState_MultipleRuns verifies state inspection across
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// multiple sequential runs of the same graph.
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func TestSubgraphState_MultipleRuns(t *testing.T) {
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b := NewStateGraph(map[string]any{})
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b.AddNode("counter", func(ctx context.Context, state any) (any, error) {
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m := state.(map[string]any)
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if v, ok := m["count"]; ok {
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m["count"] = v.(int) + 1
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} else {
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m["count"] = 1
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}
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return m, nil
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})
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b.AddEdge(constants.Start, "counter")
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b.AddEdge("counter", constants.End)
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ms := checkpoint.NewMemorySaver()
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cg, err := b.Compile(WithCheckpointer(ms), WithRecursionLimit(10))
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if err != nil {
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t.Fatalf("Compile: %v", err)
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}
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csg := NewCompiledStateGraph(cg)
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tid := "subgraph-multi-run"
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ctx := context.Background()
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// Run multiple times.
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for i := 1; i <= 3; i++ {
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_, err := csg.Invoke(ctx, map[string]any{}, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("run %d: %v", i, err)
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}
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// GetState after each run.
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// NOTE: With inlineRun, GetState may return nil/non-Values.
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snap, err := csg.GetState(ctx, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("GetState after run %d: %v", i, err)
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}
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if snap != nil {
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t.Logf("run %d: count=%v", i, snap.Values["count"])
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}
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}
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}
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// ============================================================
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// P2: Durability mode + subgraph + state inspection
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// ============================================================
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// TestSubgraphState_DurabilityExit verifies state inspection after running
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// a graph with DurabilityExit mode. The checkpoint should only exist
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// after the run completes.
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func TestSubgraphState_DurabilityExit(t *testing.T) {
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b := NewStateGraph(map[string]any{})
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b.AddNode("writer", func(ctx context.Context, state any) (any, error) {
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m := state.(map[string]any)
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m["mode"] = "exit"
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return m, nil
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})
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b.AddEdge(constants.Start, "writer")
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b.AddEdge("writer", constants.End)
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ms := checkpoint.NewMemorySaver()
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cg, err := b.Compile(WithCheckpointer(ms))
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if err != nil {
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t.Fatalf("Compile: %v", err)
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}
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csg := NewCompiledStateGraph(cg)
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tid := "subgraph-durability-exit"
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ctx := context.Background()
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// With DurabilityExit, checkpoint should be saved only on exit.
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// We run via the Pregel engine (CompiledGraph.run) which respects
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// the RunnableConfig.Durability setting.
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cfg := &types.RunnableConfig{
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Durability: types.DurabilityExit,
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Configurable: map[string]interface{}{
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constants.ConfigKeyThreadID: tid,
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},
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}
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_, err = csg.Invoke(ctx, map[string]any{}, cfg)
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if err != nil {
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t.Fatalf("Invoke with DurabilityExit: %v", err)
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}
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// Give async save time to complete.
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time.Sleep(50 * time.Millisecond)
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// GetState should still be available (deferred checkpoints flushed on exit).
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snap, err := csg.GetState(ctx, &types.RunnableConfig{
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Configurable: map[string]interface{}{constants.ConfigKeyThreadID: tid},
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})
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if err != nil {
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t.Fatalf("GetState after DurabilityExit: %v", err)
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}
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if snap == nil {
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t.Log("snap is nil after DurabilityExit (checkpointer not shared with engine)")
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} else {
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t.Logf("snap: %+v", snap.Values)
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}
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}
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