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// Copyright 2026 syzkaller project authors. All rights reserved.
// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
package aflow
import (
"testing"
"github.com/stretchr/testify/require"
)
// TestTool runs the given tool on provided initState/initArgs and compares results/error
// with the provided wantResults/wantError.
// wantResults can be either the tool return struct, or a function that accepts the tool
// return struct. In the latter case, the function is executed with the actual results,
// and is supposed to do assertions on the value.
func TestTool(t *testing.T, tool Tool, initState, initArgs, wantResults any, wantError string) {
type tester interface {
testVerify(t *testing.T, ctx *verifyContext, state, args, results any) (
map[string]any, map[string]any, func(map[string]any))
}
vctx := newVerifyContext()
state, args, resultChecker := tool.(tester).testVerify(t, vctx, initState, initArgs, wantResults)
require.NoError(t, vctx.finalize())
// Just ensure it does not crash.
_ = tool.declaration()
// We don't init all fields, init more, if necessary.
ctx := &Context{
state: state,
}
defer ctx.Close()
gotResults, err := tool.execute(ctx, args)
gotError := ""
if err != nil {
gotError = err.Error()
}
require.Equal(t, wantError, gotError)
resultChecker(gotResults)
}
func FuzzTool(t *testing.T, tool Tool, initState, initArgs any) (map[string]any, error) {
type toolFuzzer interface {
checkFuzzTypes(t *testing.T, state, args any) (map[string]any, map[string]any)
}
state, args := tool.(toolFuzzer).checkFuzzTypes(t, initState, initArgs)
ctx := &Context{
state: state,
}
defer ctx.Close()
return tool.execute(ctx, args)
}
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