/flow/example_verify_test.go

package flow_test

import (
	"context"
	"fmt"
	"strings"

	"go-micro.dev/v6/flow"
)

func ExampleVerify() {
	generate := func(_ context.Context, in flow.State) (flow.State, error) {
		if strings.Contains(in.String(), "feedback") {
			in.Data = []byte(`{"answer":"include a source"}`)
			return in, nil
		}
		in.Data = []byte(`{"answer":"draft"}`)
		return in, nil
	}
	grader := func(_ context.Context, out flow.State) (bool, string, error) {
		return strings.Contains(out.String(), "source"), "add a source", nil
	}

	out, _ := flow.Verify(generate, grader, flow.VerifyMaxAttempts(2))(context.Background(), flow.State{})
	fmt.Println(strings.Contains(out.String(), `"verification_passed":true`))
	// Output: true
}