add unit test for store

go.mod

@@ -4,5 +4,5 @@ go 1.19
 
 require (
 	github.com/micutio/goptional v0.0.0-20220819142109-68da6ecd08c6
-	github.com/tidwall/btree v1.4.1
+	github.com/tidwall/btree v1.4.2
 )

go.sum

@@ -2,3 +2,5 @@ github.com/micutio/goptional v0.0.0-20220819142109-68da6ecd08c6 h1:44g/6zxiIkCMx
 github.com/micutio/goptional v0.0.0-20220819142109-68da6ecd08c6/go.mod h1:NVRk8/MaoB4b4Tu+YADH6PvkMWrBAk1CMw5QnRYepEc=
 github.com/tidwall/btree v1.4.1 h1:m0XE8xxIrI7LiNOypNWm260JyfX4hi8Yfm8ESFfpi+k=
 github.com/tidwall/btree v1.4.1/go.mod h1:LGm8L/DZjPLmeWGjv5kFrY8dL4uVhMmzmmLYmsObdKE=
+github.com/tidwall/btree v1.4.2 h1:PpkaieETJMUxYNADsjgtNRcERX7mGc/GP2zp/r5FM3g=
+github.com/tidwall/btree v1.4.2/go.mod h1:LGm8L/DZjPLmeWGjv5kFrY8dL4uVhMmzmmLYmsObdKE=

pkg/tuplespace/store.go

@@ -24,6 +24,6 @@ type SimpleStore struct {
 	tree *btree.BTreeG[Tuple]
 }
 
-func New() *SimpleStore {
+func NewSimpleStore() *SimpleStore {
 	return &SimpleStore{tree: btree.NewBTreeG(TupleOrder)}
 }

pkg/tuplespace/store_test.go

@@ -1 +1,38 @@
 package gotupolis
+
+import (
+	"testing"
+
+	option "github.com/micutio/goptional"
+)
+
+func TestStore(t *testing.T) {
+	store := getStoreImpl()
+	tup := MakeTuple(I(1), I(2), F(3.14), S("Foo!"), T(MakeTuple(S("hurz"))))
+
+	// test insertion
+	store.Out(tup)
+
+	// test read
+	var tupleOpt1 option.Maybe[Tuple] = store.Read(tup)
+	if !tupleOpt1.IsPresent() {
+		t.Errorf("Error: cannot find inserted tuple %v", tup)
+	}
+
+	// test out
+	// since we've only read the tuple, it should still be in the store
+	var tupleOpt2 option.Maybe[Tuple] = store.In(tup)
+	if !tupleOpt2.IsPresent() {
+		t.Errorf("Error: cannot find inserted tuple %v", tup)
+	}
+
+	// now the tuple should be gone
+	var tupleOpt3 option.Maybe[Tuple] = store.In(tup)
+	if tupleOpt3.IsPresent() {
+		t.Errorf("Error: store should not contain tuple %v anymore", tup)
+	}
+}
+
+func getStoreImpl() Store {
+	return NewSimpleStore()
+}