run coverage with go module

azure-pipelines.yml

@@ -31,23 +31,16 @@ jobs:
     vmImage: 'Ubuntu 16.04'
 
   variables:
-    GOPATH: '$(system.defaultWorkingDirectory)'
     CODECOV_TOKEN: '$(coverage.token)'
 
   steps:
-  - checkout: none
+  - checkout: self
   - task: GoTool@0
     inputs:
       version: '1.11.5'
   - script: |
-      go version
-      go get -v -t -d v2ray.com/core/...
-    workingDirectory: '$(system.defaultWorkingDirectory)'
-    displayName: 'Fetch sources'
-  - script: |
-      cd ./src/v2ray.com/core
       bash ./testing/coverage/coverall
-    workingDirectory: '$(system.defaultWorkingDirectory)'
+    workingDirectory: '$(Build.SourcesDirectory)'
     displayName: 'Coverage'
 
 - job: make_release

testing/coverage/coverall

@@ -2,12 +2,12 @@
 
 FAIL=0
 
-V2RAY_OUT=${GOPATH}/out/v2ray
-V2RAY_COV=${V2RAY_OUT}/cov
+V2RAY_OUT=${PWD}/out/v2ray
+export V2RAY_COV=${V2RAY_OUT}/cov
 COVERAGE_FILE=${V2RAY_COV}/coverage.txt
 
 function test_package {
-  DIR="v2ray.com/core$1"
+  DIR=".$1"
   DEP=$(go list -f '{{ join .Deps "\n" }}' $DIR | grep v2ray | tr '\n' ',')
   DEP=${DEP}$DIR
   RND_NAME=$(openssl rand -hex 16)

testing/scenarios/common_coverage.go

@@ -6,7 +6,6 @@ import (
 	"bytes"
 	"os"
 	"os/exec"
-	"path/filepath"
 
 	"v2ray.com/core/common/uuid"
 )
@@ -24,7 +23,7 @@ func BuildV2Ray() error {
 func RunV2RayProtobuf(config []byte) *exec.Cmd {
 	genTestBinaryPath()
 
-	covDir := filepath.Join(os.Getenv("GOPATH"), "out", "v2ray", "cov")
+	covDir := os.Getenv("V2RAY_COV")
 	os.MkdirAll(covDir, os.ModeDir)
 	randomID := uuid.New()
 	profile := randomID.String() + ".out"