/
debug_test.go
316 lines (244 loc) · 8.08 KB
/
debug_test.go
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// SPDX-FileCopyrightText: 2023 Steffen Vogel <post@steffenvogel.de>
// SPDX-License-Identifier: Apache-2.0
// Limit debugger support to platforms which are supported by Delve
// See: https://github.com/go-delve/delve/blob/master/pkg/proc/native/support_sentinel_linux.go
//go:build linux && (amd64 || arm64 || 386)
package gont_test
import (
"fmt"
"os"
"path/filepath"
"strings"
"testing"
g "cunicu.li/gont/v2/pkg"
o "cunicu.li/gont/v2/pkg/options"
do "cunicu.li/gont/v2/pkg/options/debug"
to "cunicu.li/gont/v2/pkg/options/trace"
"cunicu.li/gont/v2/pkg/trace"
"github.com/go-delve/delve/service/api"
"github.com/go-delve/delve/service/dap/daptest"
"github.com/stretchr/testify/require"
)
func TestDebugBreakpointHostnode(t *testing.T) {
tps := []trace.Event{}
v := g.NewTracer(
to.Callback(func(tp trace.Event) { tps = append(tps, tp) }),
)
d := g.NewDebugger(
do.ToTracer(v),
g.NewTracepoint(
do.File("../test/debugee1/main.go"),
do.Line(21),
do.Variable("s")))
n, err := g.NewNetwork("", d)
require.NoError(t, err, "Failed to create network")
defer n.Close()
_, err = n.HostNode.RunGo("../test/debugee1", o.BuildFlagsDebug)
require.NoError(t, err, "Failed to run")
err = v.Close()
require.NoError(t, err, "Failed to close tracer")
require.Len(t, tps, 1)
require.Equal(t, "Hello World", tps[0].Breakpoint.Variable("s"))
}
func TestDebugBreakpoint(t *testing.T) {
tps := []trace.Event{}
v := g.NewTracer(
to.Callback(func(tp trace.Event) { tps = append(tps, tp) }),
)
d := g.NewDebugger(
do.ToTracer(v),
g.NewTracepoint(
do.File("../test/debugee1/main.go"),
do.Line(21),
do.Data(1337),
do.Stacktrace(5),
do.Message("Variable t.A has the value {t.A}"),
do.LoadLocals(
do.MaxStringLen(100),
do.MaxVariableRecurse(5),
do.MaxArrayValues(100),
do.MaxStructFields(100),
do.FollowPointers(true))))
n, err := g.NewNetwork("", d)
require.NoError(t, err, "Failed to create network")
defer n.Close()
h1, err := n.AddHost("h1")
require.NoError(t, err, "Failed to add host")
_, err = h1.RunGo("../test/debugee1",
o.BuildFlagsDebug)
require.NoError(t, err, "Failed to run")
err = v.Close()
require.NoError(t, err, "Failed to close tracer")
require.Len(t, tps, 1)
tp := tps[0]
require.True(t, strings.HasSuffix(tp.File, "test/debugee1/main.go"))
require.Equal(t, 21, tp.Line)
require.Equal(t, "Variable t.A has the value 555", tp.Message)
require.Equal(t, "breakpoint", tp.Type)
require.Equal(t, 1337, tp.Data)
require.NotNil(t, tp.Breakpoint)
require.Equal(t, 1, tp.Breakpoint.ID)
require.EqualValues(t, 1, tp.Breakpoint.TotalHitCount)
require.Equal(t, "Hello World", tp.Breakpoint.Local("s"))
}
func TestDebugBreakpointLocation(t *testing.T) {
tps := []trace.Event{}
v := g.NewTracer(
to.Callback(func(tp trace.Event) { tps = append(tps, tp) }),
)
d := g.NewDebugger(
do.ToTracer(v),
g.NewTracepoint(
do.FunctionNameRegex("main.myFunction"),
do.Data(2000),
do.Stacktrace(5),
do.LoadArguments(
do.MaxStringLen(100),
do.MaxVariableRecurse(5),
do.MaxArrayValues(100),
do.MaxStructFields(100),
do.FollowPointers(true))))
n, err := g.NewNetwork("", d)
require.NoError(t, err, "Failed to create network")
defer n.Close()
h1, err := n.AddHost("h1")
require.NoError(t, err, "Failed to add host")
_, err = h1.RunGo("../test/debugee1",
o.BuildFlagsDebug)
require.NoError(t, err, "Failed to run")
err = v.Close()
require.NoError(t, err, "Failed to close tracer")
assert := func(expectedHitCount uint64, tp trace.Event) {
require.True(t, strings.HasSuffix(tp.File, "test/debugee1/main.go"))
require.Equal(t, 27, tp.Line)
require.Equal(t, "Hit breakpoint 1: /main.myFunction/ (0)", tp.Message)
require.Equal(t, "breakpoint", tp.Type)
require.Equal(t, 2000, tp.Data)
bp := tp.Breakpoint
require.NotNil(t, bp)
require.Equal(t, 1, bp.ID)
require.EqualValues(t, expectedHitCount, bp.TotalHitCount)
require.Equal(t, "Hello World", bp.Argument("s"))
}
require.Len(t, tps, 2)
assert(1, tps[0])
assert(2, tps[1])
}
func TestDebugWatchpoint(t *testing.T) {
if _, ok := os.LookupEnv("GITHUB_WORKFLOW"); ok {
t.Skip("Test broken on Azure")
}
tps := []trace.Event{}
v := g.NewTracer(
to.Callback(func(tp trace.Event) { tps = append(tps, tp) }),
)
d := g.NewDebugger(
do.ToTracer(v),
g.NewTracepoint(
do.File("../test/debugee1/main.go"),
do.Line(28),
do.Data(1337),
do.Message("i has the value '{i}'"),
do.Watch("i", api.WatchWrite),
do.Variable("t")))
n, err := g.NewNetwork("", d)
require.NoError(t, err, "Failed to create network")
defer n.Close()
h1, err := n.AddHost("h1")
require.NoError(t, err, "Failed to add host")
_, err = h1.RunGo("../test/debugee1",
o.BuildFlagsDebug)
require.NoError(t, err, "Failed to run")
err = v.Close()
require.NoError(t, err, "Failed to close tracer")
assert := func(expectedHitCount uint64, expectedValue string, tp trace.Event) {
require.True(t, strings.HasSuffix(tp.File, "test/debugee1/main.go"))
require.Equal(t, 30, tp.Line)
require.Equal(t, fmt.Sprintf("i has the value '%s'", expectedValue), tp.Message)
require.Equal(t, "watchpoint", tp.Type)
require.Equal(t, 1337, tp.Data)
bp := tp.Breakpoint
require.NotNil(t, bp)
require.EqualValues(t, expectedHitCount, bp.TotalHitCount)
require.Equal(t, expectedValue, bp.Variable("i"))
}
require.Len(t, tps, 2)
assert(1, "1337", tps[0])
assert(2, "2674", tps[1])
}
func TestDebugListener(t *testing.T) {
tps := []trace.Event{}
listenAddr := "[::1]:1234"
v := g.NewTracer(
to.Callback(func(tp trace.Event) { tps = append(tps, tp) }),
)
d := g.NewDebugger(
do.ToTracer(v),
do.ListenAddr(listenAddr),
do.BreakOnEntry(true),
g.NewTracepoint(
do.File("../test/debugee1/main.go"),
do.Line(21),
do.Variable("s")))
n, err := g.NewNetwork("", d)
require.NoError(t, err, "Failed to create network")
defer n.Close()
c, err := n.HostNode.StartGo("../test/debugee1", o.BuildFlagsDebug)
require.NoError(t, err, "Failed to run")
testDAP(t, listenAddr)
err = c.Wait()
require.NoError(t, err, "Failed to wait")
err = v.Close()
require.NoError(t, err, "Failed to close tracer")
require.Len(t, tps, 0)
}
func testDAP(t *testing.T, listenAddr string) {
client := daptest.NewClient(listenAddr)
defer client.Close()
// Get list of threads
client.ThreadsRequest()
threadResponse := client.ExpectThreadsResponse(t)
require.True(t, threadResponse.Success)
require.True(t, len(threadResponse.Body.Threads) >= 1)
currentThread := threadResponse.Body.Threads[0]
// Continue
client.ContinueRequest(currentThread.Id)
client.ExpectContinueResponse(t)
// Check halt
client.ExpectStoppedEvent(t)
// Retrieve current frame
client.StackTraceRequest(currentThread.Id, 0, 1)
stResponse := client.ExpectStackTraceResponse(t)
require.Equal(t, "runtime.main", stResponse.Body.StackFrames[0].Name)
// Continue
client.ContinueRequest(currentThread.Id)
client.ExpectContinueResponse(t)
// Check halt
client.ExpectStoppedEvent(t)
// Retrieve current frame
client.StackTraceRequest(currentThread.Id, 0, 1)
stResponse = client.ExpectStackTraceResponse(t)
require.Equal(t, "main.main", stResponse.Body.StackFrames[0].Name)
require.Equal(t, "main.go", stResponse.Body.StackFrames[0].Source.Name)
require.Equal(t, 21, stResponse.Body.StackFrames[0].Line)
// Set a new breakpoint
file, err := filepath.Abs("../test/debugee1/main.go")
require.NoError(t, err)
client.SetBreakpointsRequest(file, []int{22})
bpResponse := client.ExpectSetBreakpointsResponse(t)
require.True(t, bpResponse.Success)
require.Len(t, bpResponse.Body.Breakpoints, 1)
bp := bpResponse.Body.Breakpoints[0]
require.True(t, bp.Verified, bp.Message)
// Continue
client.ContinueRequest(currentThread.Id)
client.ExpectContinueResponse(t)
// Check halt
client.ExpectStoppedEvent(t)
// Retrieve current frame
client.StackTraceRequest(currentThread.Id, 0, 1)
stResponse = client.ExpectStackTraceResponse(t)
require.Equal(t, "main.main", stResponse.Body.StackFrames[0].Name)
require.Equal(t, "main.go", stResponse.Body.StackFrames[0].Source.Name)
require.Equal(t, 22, stResponse.Body.StackFrames[0].Line)
}