From e765bd484eceead51314ed33e63ff6bf10475f6b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Audiger?= <jeremy.audiger@ioterop.com>
Date: Fri, 11 Mar 2022 07:36:50 +0000
Subject: chore: add the possibility to keep the prefix from env var.

---
 tests/env.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'tests')

diff --git a/tests/env.rs b/tests/env.rs
index fcadf81..166a83f 100644
--- a/tests/env.rs
+++ b/tests/env.rs
@@ -74,6 +74,27 @@ fn test_empty_value_is_ignored() {
     env::remove_var("C_A_B");
 }
 
+#[test]
+fn test_keep_prefix() {
+    env::set_var("C_A_B", "");
+
+    // Do not keep the prefix
+    let environment = Environment::with_prefix("C");
+
+    assert!(environment.collect().unwrap().contains_key("a_b"));
+
+    let environment = Environment::with_prefix("C").keep_prefix(false);
+
+    assert!(environment.collect().unwrap().contains_key("a_b"));
+
+    // Keep the prefix
+    let environment = Environment::with_prefix("C").keep_prefix(true);
+
+    assert!(environment.collect().unwrap().contains_key("c_a_b"));
+
+    env::remove_var("C_A_B");
+}
+
 #[test]
 fn test_custom_separator_behavior() {
     env::set_var("C.B.A", "abc");
-- 
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