From 6626d8cc4de80f063da7ab871ecdc66f40f28e0b Mon Sep 17 00:00:00 2001
From: Silvan Mosberger <silvan.mosberger@tweag.io>
Date: Fri, 16 Jun 2023 00:19:33 +0200
Subject: lib.path.removePrefix: init

---
 lib/path/tests/unit.nix | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'lib/path/tests')

diff --git a/lib/path/tests/unit.nix b/lib/path/tests/unit.nix
index 9c5b752cf64a..3e4b216f099f 100644
--- a/lib/path/tests/unit.nix
+++ b/lib/path/tests/unit.nix
@@ -3,7 +3,7 @@
 { libpath }:
 let
   lib = import libpath;
-  inherit (lib.path) hasPrefix append subpath;
+  inherit (lib.path) hasPrefix removePrefix append subpath;
 
   cases = lib.runTests {
     # Test examples from the lib.path.append documentation
@@ -57,6 +57,23 @@ let
       expected = true;
     };
 
+    testRemovePrefixExample1 = {
+      expr = removePrefix /foo /foo/bar/baz;
+      expected = "./bar/baz";
+    };
+    testRemovePrefixExample2 = {
+      expr = removePrefix /foo /foo;
+      expected = "./.";
+    };
+    testRemovePrefixExample3 = {
+      expr = (builtins.tryEval (removePrefix /foo/bar /foo)).success;
+      expected = false;
+    };
+    testRemovePrefixExample4 = {
+      expr = removePrefix /. /foo;
+      expected = "./foo";
+    };
+
     # Test examples from the lib.path.subpath.isValid documentation
     testSubpathIsValidExample1 = {
       expr = subpath.isValid null;
-- 
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