Huge refactor to a more value based system, doing away with terminals. Also introduces unit testing

1 files changed, 45 insertions, 0 deletions

diff --git a/walk/walk_test.go b/walk/walk_test.go
new file mode 100644
index 0000000..c05da02
--- /dev/null
+++ b/walk/walk_test.go
@@ -0,0 +1,45 @@
+package walk
+
+import (
+	"testing"
+	"log"
+)
+
+func TestValueIter(t *testing.T) {
+	values := ValueList{
+		NumberScalar(1),
+		NumberScalar(2),
+		NumberScalar(3),
+	}
+
+	valuesCopy := ValueList{}
+
+	iter := NewValueIter(values)
+
+	for {
+		edible := iter.Next()
+		if edible == nil {
+			break
+		}
+
+		log.Println(edible)
+
+		value, isValue := edible.(Value)
+
+		if !isValue {
+			t.Fatalf("Iterator produced a non-value")
+		}
+
+		valuesCopy = append(valuesCopy, value)
+	}
+
+	if len(values) != len(valuesCopy) {
+		t.Fatalf("iter gave the wrong number of values")
+	}
+
+	for i, value := range values {
+		if value != valuesCopy[i] {
+			t.Fatalf("iter produced an incorrect value")
+		}
+	}
+}