[add] tests, [add] refactor epub feat

config/config_test.go

@@ -0,0 +1,35 @@
+package config
+
+import "testing"
+
+func TestLoadConfig(t *testing.T) {
+	conf := Load()
+	want := "sqlite"
+	if conf.DBType != want {
+		t.Fatalf(`Load().DBType = %q, want match for %#q, nil`, conf.DBType, want)
+	}
+}
+
+func TestGetEnvDefault(t *testing.T) {
+	want := "def_val"
+	envDefault := getEnv("DEFAULT_TEST", want)
+	if envDefault != want {
+		t.Fatalf(`getEnv("DEFAULT_TEST", "def_val") = %q, want match for %#q, nil`, envDefault, want)
+	}
+}
+
+func TestGetEnvSet(t *testing.T) {
+	envDefault := getEnv("SET_TEST", "not_this")
+	want := "set_val"
+	if envDefault != want {
+		t.Fatalf(`getEnv("SET_TEST", "not_this") = %q, want match for %#q, nil`, envDefault, want)
+	}
+}
+
+func TestTrimLowerString(t *testing.T) {
+	want := "trimtest"
+	output := trimLowerString(" trimTest ")
+	if output != want {
+		t.Fatalf(`trimLowerString(" trimTest ") = %q, want match for %#q, nil`, output, want)
+	}
+}