Add files via upload

multiagent/plan_execute_steps_cap_test.go

@@ -0,0 +1,34 @@
+package multiagent
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/cloudwego/eino/adk/prebuilt/planexecute"
+)
+
+func TestCapPlanExecuteExecutedSteps_TruncatesLongResult(t *testing.T) {
+	long := strings.Repeat("x", planExecuteMaxStepResultRunes+500)
+	steps := []planexecute.ExecutedStep{{Step: "s1", Result: long}}
+	out := capPlanExecuteExecutedSteps(steps)
+	if len(out) != 1 {
+		t.Fatalf("len=%d", len(out))
+	}
+	if !strings.Contains(out[0].Result, "truncated") {
+		t.Fatalf("expected truncation marker in %q", out[0].Result[:80])
+	}
+}
+
+func TestCapPlanExecuteExecutedSteps_FoldsEarlySteps(t *testing.T) {
+	var steps []planexecute.ExecutedStep
+	for i := 0; i < planExecuteKeepLastSteps+5; i++ {
+		steps = append(steps, planexecute.ExecutedStep{Step: "step", Result: "ok"})
+	}
+	out := capPlanExecuteExecutedSteps(steps)
+	if len(out) != planExecuteKeepLastSteps+1 {
+		t.Fatalf("want %d entries, got %d", planExecuteKeepLastSteps+1, len(out))
+	}
+	if out[0].Step != "[Earlier steps — titles only]" {
+		t.Fatalf("first entry: %#v", out[0])
+	}
+}