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(_ *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 } }