Add tests for the string splitting function.

pkg/util/config/config_test.go

@@ -0,0 +1,32 @@
+package config
+
+import (
+	"testing"
+	"reflect"
+	"fmt"
+)
+
+var getMapPairsFromStringTest = []struct {
+	in string
+	expected []string
+	err      error
+}{
+	{"log_statement:all, work_mem:'4GB'", []string{"log_statement:all", "work_mem:'4GB'"}, nil},
+	{`log_statement:none, search_path:'"$user", public'`, []string{"log_statement:none", `search_path:'"$user", public'`}, nil},
+	{`search_path:'"$user"`, nil, fmt.Errorf("unclosed quote starting at position 13")},
+	{"", []string{""}, nil},
+	{",,log_statement:all	,", []string{"","","log_statement:all", ""}, nil},
+}
+
+func TestGetMapPairsFromString(t *testing.T) {
+	for _, tt := range getMapPairsFromStringTest {
+		got, err := getMapPairsFromString(tt.in)
+		if err != tt.err && ((err == nil || tt.err == nil) || (err.Error() != tt.err.Error())) {
+			t.Errorf("TestGetMapPairsFromString with %s: expected error: %#v, got %#v", tt.in, tt.err, err)
+		}
+		if !reflect.DeepEqual(got, tt.expected) {
+			t.Errorf("TestGetMapPairsFromString with %s: expected %#v, got %#v", tt.in, tt.expected, got)
+		}
+	}
+}
+