From a9cd27707015a99df34aefd27471328ca23c8b3f Mon Sep 17 00:00:00 2001
From: Jesse Duffield <jessedduffield@gmail.com>
Date: Mon, 3 Sep 2018 19:31:27 +1000
Subject: [PATCH] add test for ResolvePlaceholderString

---
 pkg/utils/utils_test.go | 53 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/pkg/utils/utils_test.go b/pkg/utils/utils_test.go
index 46b264945..0b2d35959 100644
--- a/pkg/utils/utils_test.go
+++ b/pkg/utils/utils_test.go
@@ -114,3 +114,56 @@ func TestNormalizeLinefeeds(t *testing.T) {
 		assert.EqualValues(t, string(s.expected), NormalizeLinefeeds(string(s.byteArray)))
 	}
 }
+
+func TestResolvePlaceholderString(t *testing.T) {
+	type scenario struct {
+		templateString string
+		arguments      map[string]string
+		expected       string
+	}
+
+	scenarios := []scenario{
+		{
+			"",
+			map[string]string{},
+			"",
+		},
+		{
+			"hello",
+			map[string]string{},
+			"hello",
+		},
+		{
+			"hello {{arg}}",
+			map[string]string{},
+			"hello {{arg}}",
+		},
+		{
+			"hello {{arg}}",
+			map[string]string{"arg": "there"},
+			"hello there",
+		},
+		{
+			"hello",
+			map[string]string{"arg": "there"},
+			"hello",
+		},
+		{
+			"{{nothing}}",
+			map[string]string{"nothing": ""},
+			"",
+		},
+		{
+			"{{}} {{ this }} { should not throw}} an {{{{}}}} error",
+			map[string]string{
+				"blah": "blah",
+				"this": "won't match",
+			},
+			"{{}} {{ this }} { should not throw}} an {{{{}}}} error",
+		},
+	}
+
+	for _, s := range scenarios {
+		assert.EqualValues(t, string(s.expected), ResolvePlaceholderString(s.templateString, s.arguments))
+	}
+}