Move template functions outside engine (refactoring)

template/dict_test.go

@@ -0,0 +1,42 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package template
+
+import (
+	"testing"
+)
+
+func TestDict(t *testing.T) {
+	d, err := dict("k1", "v1", "k2", "v2")
+	if err != nil {
+		t.Fatalf(`The dict should be valid: %v`, err)
+	}
+
+	if value, found := d["k1"]; found {
+		if value != "v1" {
+			t.Fatalf(`Incorrect value for k1: %q`, value)
+		}
+	}
+
+	if value, found := d["k2"]; found {
+		if value != "v2" {
+			t.Fatalf(`Incorrect value for k2: %q`, value)
+		}
+	}
+}
+
+func TestDictWithIncorrectNumberOfPairs(t *testing.T) {
+	_, err := dict("k1", "v1", "k2")
+	if err == nil {
+		t.Fatalf(`The dict should not be valid because the number of keys/values pairs are incorrect`)
+	}
+}
+
+func TestDictWithInvalidKey(t *testing.T) {
+	_, err := dict(1, "v1")
+	if err == nil {
+		t.Fatalf(`The dict should not be valid because the key is not a string`)
+	}
+}