Add instrumented main for coverage
ADD
cmd/dendrite-monolith-server/main_test.go
+package main
+
+import (
+ "os"
+ "os/signal"
+ "strings"
+ "syscall"
+ "testing"
+)
+
+// This is an instrumented main, used when running integration tests (sytest) with code coverage.
+// Compile: go test -c -race -cover -covermode=atomic -o monolith.debug -coverpkg "github.com/matrix-org/..." ./cmd/dendrite-monolith-server
+// Run the monolith: ./monolith.debug -test.coverprofile=/somewhere/to/dump/integrationcover.out DEVEL --config dendrite.yaml
+// Generate HTML with coverage: go tool cover -html=/somewhere/where/there/is/integrationcover.out -o cover.html
+// Source: https://dzone.com/articles/measuring-integration-test-coverage-rate-in-pouchc
+func TestMain(t *testing.T) {
+ var (
+ args []string
+ )
+
+ for _, arg := range os.Args {
+ switch {
+ case strings.HasPrefix(arg, "DEVEL"):
+ case strings.HasPrefix(arg, "-test"):
+ default:
+ args = append(args, arg)
+ }
+ }
+ // only run the tests if there are args to be passed
+ if len(args) <= 1 {
+ return
+ }
+
+ waitCh := make(chan int, 1)
+ os.Args = args
+ go func() {
+ main()
+ close(waitCh)
+ }()
+
+ signalCh := make(chan os.Signal, 1)
+ signal.Notify(signalCh, syscall.SIGINT, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGHUP)
+
+ select {
+ case <-signalCh:
+ return
+ case <-waitCh:
+ return
+ }
+}

Add instrumented main for coverage