A .env file in the working directory is now optional

internal/config/load_test.go

@@ -141,9 +141,19 @@ func TestInitKeepsCommandLineLevel(t *testing.T) {
 	}
 }
 
+// A .env file is optional.
+func TestInitWithoutEnvFile(t *testing.T) {
+	initDir(t, nil, testConfigYAML)
+	var conf JobSearchConfig
+	if err := Init("", &conf); err != nil {
+		t.Fatalf("err = %v; want nil without a .env file", err)
+	}
+}
+
 func TestInitErrors(t *testing.T) {
-	t.Run("no .env file", func(t *testing.T) {
-		initDir(t, nil, testConfigYAML)
+	t.Run("invalid .env file", func(t *testing.T) {
+		dir := initDir(t, nil, testConfigYAML)
+		writeFile(t, filepath.Join(dir, ".env"), "NOT VALID\n")
 		var conf JobSearchConfig
 		if err := Init("", &conf); err == nil ||
 			!strings.Contains(err.Error(), ".env") {