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// Copyright (C) 2019-2021 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
"github.com/algorand/go-algorand/config"
"github.com/algorand/go-algorand/data/transactions"
"github.com/algorand/go-algorand/data/transactions/logic"
"github.com/algorand/go-algorand/protocol"
"github.com/algorand/go-algorand/test/partitiontest"
)
type testDbgAdapter struct {
debugger Control
notifications chan Notification
started bool
ended bool
eventCount int
done chan struct{}
t *testing.T
}
func makeTestDbgAdapter(t *testing.T) (d *testDbgAdapter) {
d = new(testDbgAdapter)
d.done = make(chan struct{})
d.t = t
return d
}
func (d *testDbgAdapter) WaitForCompletion() {
<-d.done
}
func (d *testDbgAdapter) SessionStarted(sid string, debugger Control, ch chan Notification) {
d.debugger = debugger
d.notifications = ch
go d.eventLoop()
d.started = true
}
func (d *testDbgAdapter) SessionEnded(sid string) {
d.ended = true
}
func (d *testDbgAdapter) URL() string {
return ""
}
func (d *testDbgAdapter) eventLoop() {
for {
select {
case n := <-d.notifications:
d.eventCount++
if n.Event == "completed" {
d.done <- struct{}{}
return
}
if n.Event == "registered" {
require.NotNil(d.t, n.DebugState.Globals)
require.NotNil(d.t, n.DebugState.Scratch)
require.NotEmpty(d.t, n.DebugState.Disassembly)
require.NotEmpty(d.t, n.DebugState.ExecID)
d.debugger.SetBreakpoint(n.DebugState.Line + 1)
}
d.debugger.Resume()
}
}
}
func TestDebuggerSimple(t *testing.T) {
partitiontest.PartitionTest(t)
proto := config.Consensus[protocol.ConsensusV18]
require.Greater(t, proto.LogicSigVersion, uint64(0))
debugger := MakeDebugger()
da := makeTestDbgAdapter(t)
debugger.AddAdapter(da)
ep := logic.EvalParams{
Proto: &proto,
Debugger: debugger,
Txn: &transactions.SignedTxn{},
}
source := `int 0
int 1
+
`
ops, err := logic.AssembleStringWithVersion(source, 1)
require.NoError(t, err)
_, err = logic.Eval(ops.Program, ep)
require.NoError(t, err)
da.WaitForCompletion()
require.True(t, da.started)
require.True(t, da.ended)
require.Equal(t, 3, da.eventCount) // register, update, complete
}
func TestSession(t *testing.T) {
partitiontest.PartitionTest(t)
source := fmt.Sprintf("#pragma version %d\nint 1\ndup\n+\n", logic.LogicVersion)
ops, err := logic.AssembleStringWithVersion(source, logic.LogicVersion)
require.NoError(t, err)
disassembly, err := logic.Disassemble(ops.Program)
require.NoError(t, err)
// create a sample disassembly line to pc mapping
// this simple source is similar to disassembly except intcblock at the beginning
pcOffset := make(map[int]int, len(ops.OffsetToLine))
for pc, line := range ops.OffsetToLine {
pcOffset[line+1] = pc
}
s := makeSession(disassembly, 0)
s.source = source
s.programName = "test"
s.offsetToLine = ops.OffsetToLine
s.pcOffset = pcOffset
err = s.SetBreakpoint(2)
require.NoError(t, err)
ackCount := 0
done := make(chan struct{})
ackFunc := func() {
<-s.acknowledged
ackCount++
done <- struct{}{}
}
go ackFunc()
s.Resume()
<-done
require.Equal(t, breakpointLine(2), s.debugConfig.BreakAtLine)
require.Equal(t, breakpoint{true, true}, s.breakpoints[2])
require.Equal(t, 1, ackCount)
s.SetBreakpointsActive(false)
require.Equal(t, breakpoint{true, false}, s.breakpoints[2])
s.SetBreakpointsActive(true)
require.Equal(t, breakpoint{true, true}, s.breakpoints[2])
s.RemoveBreakpoint(2)
require.Equal(t, breakpoint{false, false}, s.breakpoints[2])
go ackFunc()
s.Step()
<-done
require.Equal(t, stepBreak, s.debugConfig.BreakAtLine)
require.Equal(t, 2, ackCount)
data, err := s.GetSourceMap()
require.NoError(t, err)
require.Greater(t, len(data), 0)
name, data := s.GetSource()
require.NotEmpty(t, name)
require.Greater(t, len(data), 0)
}
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