From 1d560960aa8c4840d97de6f07ca684d055c3b7a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dorian=20P=C3=A9ron?= <dorianperon.i@gmail.com>
Date: Sat, 17 Aug 2024 01:31:51 +0200
Subject: [PATCH] test(cksum): add test for hexa/base64 confusion

---
 tests/by-util/test_cksum.rs | 51 +++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/tests/by-util/test_cksum.rs b/tests/by-util/test_cksum.rs
index 51f2f49b503..ecc2eae35e5 100644
--- a/tests/by-util/test_cksum.rs
+++ b/tests/by-util/test_cksum.rs
@@ -1343,3 +1343,54 @@ fn test_check_blake_length_guess() {
         .fails()
         .stderr_contains("foo.sums: no properly formatted checksum lines found");
 }
+
+#[test]
+fn test_check_confusing_base64() {
+    let cksum = "BLAKE2b-48 (foo.dat) = fc1f97C4";
+
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+
+    at.write("foo.dat", "esq");
+    at.write("foo.sums", cksum);
+
+    scene
+        .ucmd()
+        .arg("--check")
+        .arg(at.subdir.join("foo.sums"))
+        .succeeds()
+        .stdout_is("foo.dat: OK\n");
+}
+
+/// This test checks that when a file contains several checksum lines
+/// with different encoding, the decoding still works.
+#[test]
+fn test_check_mix_hexa_base64() {
+    let b64 = "BLAKE2b-128 (foo1.dat) = BBNuJPhdRwRlw9tm5Y7VbA==";
+    let hex = "BLAKE2b-128 (foo2.dat) = 04136e24f85d470465c3db66e58ed56c";
+
+    let scene = TestScenario::new(util_name!());
+    let at = &scene.fixtures;
+
+    at.write("foo1.dat", "foo");
+    at.write("foo2.dat", "foo");
+
+    at.write("hex_b64", &format!("{}\n{}", hex, b64));
+    at.write("b64_hex", &format!("{}\n{}", b64, hex));
+
+    scene
+        .ucmd()
+        .arg("--check")
+        .arg(at.subdir.join("hex_b64"))
+        .succeeds()
+        .stdout_is("foo2.dat: OK\nfoo1.dat: OK\n")
+        .no_stderr();
+
+    scene
+        .ucmd()
+        .arg("--check")
+        .arg(at.subdir.join("b64_hex"))
+        .succeeds()
+        .stdout_is("foo1.dat: OK\nfoo2.dat: OK\n")
+        .no_stderr();
+}