Merge pull request #4088 from tertsdiepraam/hashsum-test-no-names

hashsum: enable testing --no-names

src/uu/hashsum/src/hashsum.rs

@@ -276,11 +276,10 @@ pub fn uumain(mut args: impl uucore::Args) -> UResult<()> {
     };
     let check = matches.get_flag("check");
     let tag = matches.get_flag("tag");
-    let nonames = if binary_name == "b3sum" {
-        matches.get_flag("no-names")
-    } else {
-        false
-    };
+    let nonames = *matches
+        .try_get_one("no-names")
+        .unwrap_or(None)
+        .unwrap_or(&false);
     let status = matches.get_flag("status");
     let quiet = matches.get_flag("quiet") || status;
     let strict = matches.get_flag("strict");

tests/by-util/test_hashsum.rs

@@ -34,7 +34,7 @@ macro_rules! test_digest {
         fn test_nonames() {
             let ts = TestScenario::new("hashsum");
             // EXPECTED_FILE has no newline character at the end
-            if DIGEST_ARG == "b3sum" {
+            if DIGEST_ARG == "--b3sum" {
                 // Option only available on b3sum
                 assert_eq!(format!("{0}\n{0}\n", ts.fixtures.read(EXPECTED_FILE)),
                        ts.ucmd().arg(DIGEST_ARG).arg(BITS_ARG).arg("--no-names").arg("input.txt").arg("-").pipe_in_fixture("input.txt")