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chore: import upstream snapshot with attribution
2026-07-13 12:16:49 +08:00

81 lines
2.8 KiB
Go

//
// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// parallel_helpers_test.go — shared helpers used by the
// parallel extension's test files. Kept in a separate file so
// production code does not have to compile them.
package workflowx
import (
"context"
"github.com/cloudwego/eino/compose"
"github.com/cloudwego/eino/schema"
)
// injectResumeState wires a test-only backdoor payload into
// ctx. The parallel snapshot loader checks
// parallelResumeBackdoorKey first; this lets unit tests drive
// the resume path without a real eino checkpoint store.
func injectResumeState(ctx context.Context, payload []byte) context.Context {
return context.WithValue(ctx, parallelResumeBackdoorKey{}, payload)
}
// testCountingRunnable is a hand-rolled compose.Runnable used
// by the parallel extension's unit tests. It records the
// number of Invoke calls and optionally blocks on a release
// channel so the test can observe in-flight concurrency.
//
// This is a stand-in for the eino Workflow which serialises
// concurrent Invoke calls internally; for unit-testing the
// fan-out helper itself we need a Runnable that is safe to
// invoke from multiple goroutines simultaneously.
type testCountingRunnable struct {
fn func(ctx context.Context, in int, opts ...compose.Option) (int, error)
}
func (r testCountingRunnable) Invoke(ctx context.Context, in int, opts ...compose.Option) (int, error) {
return r.fn(ctx, in, opts...)
}
func (r testCountingRunnable) Stream(ctx context.Context, in int, opts ...compose.Option) (*schema.StreamReader[int], error) {
out, err := r.fn(ctx, in, opts...)
if err != nil {
return nil, err
}
return schema.StreamReaderFromArray([]int{out}), nil
}
func (r testCountingRunnable) Collect(ctx context.Context, in *schema.StreamReader[int], opts ...compose.Option) (int, error) {
v, err := in.Recv()
if err != nil {
return 0, err
}
return r.fn(ctx, v, opts...)
}
func (r testCountingRunnable) Transform(ctx context.Context, in *schema.StreamReader[int], opts ...compose.Option) (*schema.StreamReader[int], error) {
v, err := in.Recv()
if err != nil {
return nil, err
}
out, err := r.fn(ctx, v, opts...)
if err != nil {
return nil, err
}
return schema.StreamReaderFromArray([]int{out}), nil
}