TER-235: Add helpers tests

ghost/helpers_test.go

@@ -0,0 +1,60 @@
+package ghost
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestStrToB64(t *testing.T) {
+	cases := []struct {
+		Input          string
+		ExpectedOutput string
+	}{
+		{"mystring", "bXlzdHJpbmc="},
+		{"", ""},
+	}
+
+	for _, tc := range cases {
+		output := StrToB64(tc.Input)
+		if !reflect.DeepEqual(output, tc.ExpectedOutput) {
+			t.Fatalf("Unexpected output from StrToB64.\nExpected: %#v\nGiven:    %#v",
+				tc.ExpectedOutput, output)
+		}
+	}
+}
+
+func TestB64ToStr(t *testing.T) {
+	cases := []struct {
+		Input          string
+		ExpectedOutput string
+	}{
+		{"bXlzdHJpbmc=", "mystring"},
+		{"", ""},
+	}
+
+	for _, tc := range cases {
+		output := B64ToStr(tc.Input)
+		if !reflect.DeepEqual(output, tc.ExpectedOutput) {
+			t.Fatalf("Unexpected output from B64ToStr.\nExpected: %#v\nGiven:    %#v",
+				tc.ExpectedOutput, output)
+		}
+	}
+}
+
+func TestMatchesRegexp(t *testing.T) {
+	cases := []struct {
+		Function func(v interface{}, k string) (ws []string, errors []error)
+		Value    string
+		Valid    bool
+	}{
+		{MatchesRegexp(`^[a-zA-Z0-9]*$`), "thisIsAPositiveTest", true},
+		{MatchesRegexp(`^[a-zA-Z0-9]*$`), "thisIsANegativeTest-", false},
+	}
+
+	for _, tc := range cases {
+		_, err := tc.Function(tc.Value, tc.Value)
+		if (tc.Valid && (err != nil)) || (!tc.Valid && (err == nil)) {
+			t.Fatalf("Unexpected output from MatchesRegexp: %v", err)
+		}
+	}
+}