feat(discovery): android compatibility

reach/discovery/resolver_test.go

@@ -0,0 +1,69 @@
+package discovery
+
+import (
+	"context"
+	"regexp"
+	"testing"
+	"time"
+
+	"forge.cadoles.com/cadoles/go-emlid/reach"
+	"github.com/davecgh/go-spew/spew"
+	"github.com/pkg/errors"
+)
+
+func TestResolver(t *testing.T) {
+	reach.AssertIntegrationTests(t)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	resolver := NewResolver()
+
+	found, err := resolver.Scan(ctx, 500*time.Millisecond)
+	if err != nil {
+		t.Fatalf("%+v", errors.WithStack(err))
+	}
+
+	services := make([]Service, 0)
+OUTER:
+	for {
+		select {
+		case s := <-found:
+			t.Logf("%s", spew.Sdump(s))
+			services = append(services, s)
+		case <-ctx.Done():
+			break OUTER
+		}
+	}
+
+	if g, e := len(services), 1; g < e {
+		t.Fatalf("len(services): got '%d', expected > %d", g, e)
+	}
+
+	t.Logf("Found %d services", len(services))
+
+	patterns := []string{"reach", "Reach", "^RS.*"}
+
+	for i, s := range services {
+		t.Logf("Service #%d: %s - %s:%d", i, s.Name, s.AddrV4.String(), s.Port)
+
+		matched := false
+
+		for _, p := range patterns {
+			re, err := regexp.Compile(p)
+			if err != nil {
+				t.Fatal(err)
+			}
+
+			if re.Match([]byte(s.Name)) {
+				matched = true
+				break
+			}
+		}
+
+		if !matched {
+			t.Errorf("services[%d].Name ('%s') to match on of '%v'", i, s.Name, patterns)
+		}
+	}
+
+}