update e2e test of goc profile

tests/README.md

@@ -2,7 +2,10 @@
 
 ## 如何运行集成测试
 
+首先编译 goc，并加入 `PATH`。
+
 ```
+make install
 make e2e
 ```
 

tests/e2e/cmd.go

@@ -6,6 +6,7 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"strings"
 	"time"
 )
 
@@ -23,6 +24,12 @@ type LongRunCmd struct {
 //
 // You can specify the whole command arg list, the directory where the command
 // will be run in, and the env list.
+//
+// args 命令列表
+//
+// dir 命令运行所在的目录
+//
+// envs 额外的环境变量
 func NewLongRunCmd(args []string, dir string, envs []string) *LongRunCmd {
 	ctx, cancel := context.WithCancel(context.Background())
 	cmd := exec.CommandContext(ctx, args[0], args[1:]...)
@@ -77,6 +84,12 @@ func (l *LongRunCmd) GetStdoutStdErr() (string, string) {
 }
 
 // RunShortRunCmd defines a cmd which run and exits immediately
+//
+// args 命令列表
+//
+// dir 命令运行所在的目录
+//
+// envs 额外的环境变量
 func RunShortRunCmd(args []string, dir string, envs []string) (string, error) {
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*20)
 	defer cancel()
@@ -88,3 +101,13 @@ func RunShortRunCmd(args []string, dir string, envs []string) (string, error) {
 	output, err := cmd.CombinedOutput()
 	return string(output), err
 }
+
+// SearchSymbolInBinary searches if the specified symbol is compiled into the bianry
+func SearchSymbolInBinary(dir string, binary string, symbol string) (bool, error) {
+	output, err := RunShortRunCmd([]string{"go", "tool", "objdump", "-s", symbol, binary}, dir, nil)
+	if err != nil {
+		return false, fmt.Errorf("cannot lookup into the binary: %w", err)
+	}
+
+	return strings.Contains(output, symbol), nil
+}

tests/e2e/e2e_test.go

@@ -1,6 +1,8 @@
 package e2e
 
 import (
+	"time"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
@@ -22,12 +24,17 @@ var _ = Describe("1 [基础测试]", func() {
 			By("使用 goc build 命令编译")
 			_, err = RunShortRunCmd([]string{"goc", "build", "."}, dir, nil)
 			Expect(err).To(BeNil(), "goc build 运行错误")
+
+			By("检查代码是否被插入二进制")
+			contain, err := SearchSymbolInBinary(dir, "basic", "basic/goc-cover-agent-apis-auto-generated-11111-22222-package.loadFileCover")
+			Expect(err).To(BeNil(), "二进制检查失败")
+			Expect(contain).To(BeTrue(), "二进制中未找到插桩的符号")
 		})
 	})
 
 	Describe("2 测试 server 命令", func() {
-		It("1.2.1 测试 API 接口", func() {
-			dir, err := mgr.GetSampleByKey("basic")
+		It("1.2.1 测试编译/list/profile基础场景", func() {
+			dir, err := mgr.GetSampleByKey("basic2")
 			Expect(err).To(BeNil(), "找不到 sample")
 
 			By("启动 goc server")
@@ -35,10 +42,28 @@ var _ = Describe("1 [基础测试]", func() {
 			lc.Run()
 			defer lc.Stop()
 
+			By("编译一个长时间运行的程序")
+			output, err := RunShortRunCmd([]string{"goc", "build", "."}, dir, nil)
+			Expect(err).To(BeNil(), "编译失败："+output)
+
+			By("长时间运行 basic2")
+			basicC := NewLongRunCmd([]string{"./basic2"}, dir, nil)
+			basicC.Run()
+			defer basicC.Stop()
+
 			By("使用 goc list 获取服务列表")
-			output, err := RunShortRunCmd([]string{"goc", "list"}, dir, nil)
+			output, err = RunShortRunCmd([]string{"goc", "list"}, dir, nil)
 			Expect(err).To(BeNil(), "goc list 运行错误")
-			Expect(output).To(ContainSubstring("REMOTEIP"), "goc list 输出应该包含 REMOTEIP")
+			Expect(output).To(ContainSubstring("127.0.0.1   ./basic2"), "goc list 输出应该包含 basic 服务")
+
+			By("使用 goc profile 获取覆盖率")
+			profileStr := `mode: count
+basic2/main.go:8.13,9.6 1 1
+basic2/main.go:9.6,12.3 2 2`
+			time.Sleep(time.Second)
+			output, err = RunShortRunCmd([]string{"goc", "profile"}, dir, nil)
+			Expect(err).To(BeNil(), "goc profile 运行错误")
+			Expect(output).To(ContainSubstring(profileStr), "goc profile 获取的覆盖率有误")
 		})
 	})
 })

tests/e2e/samples/basic4ever-project/go.mod

@@ -0,0 +1 @@
+module basic2

tests/e2e/samples/basic4ever-project/main.go

@@ -0,0 +1,13 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+func main() {
+	for {
+		time.Sleep(time.Second)
+		fmt.Println("hello, world")
+	}
+}

tests/e2e/samples/meta.yaml

@@ -1,4 +1,7 @@
 samples:
   basic:
     dir: basic-project
-    description: a basic project only print hello world
+    description: a basic project only print hello world
+  basic2:
+    dir: basic4ever-project
+    description: a basic project which will never exist