First commit Go counter service

review/_proof_tests/a/internal/counting/review_test.go

@@ -0,0 +1,34 @@
+package counting
+
+import (
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/colinmarc/cdb"
+
+	"migadu_counters/internal/domains"
+)
+
+func TestReview_MalformedRowFailsWholeRequest(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "d.cdb")
+	w, err := cdb.Create(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	w.Put([]byte("good.example"), []byte("7|A/o=5,A/i=5"))
+	w.Put([]byte("bad.example"), []byte("|A/i=5")) // org id missing (malformed row)
+	if _, err := w.Freeze(); err != nil {
+		t.Fatal(err)
+	}
+	db, err := domains.Open(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	p := &Planner{Lookup: db, Now: time.Now}
+	plan, err := p.PlanOut("t", "x@good.example", "x@good.example", "y@bad.example")
+	t.Logf("PlanOut(good sender -> malformed-row recipient): plan=%v err=%v", plan, err)
+	plan, err = p.PlanIn("t", "s@gmail.com", "y@bad.example", false)
+	t.Logf("PlanIn(malformed-row recipient): plan=%v err=%v", plan, err)
+}