cksum: fix output of --algorithm

for the algorithms md5, sha[1,224,256,384,512], blake2b, and sm3 from

<digest> <filesize> <filename>

to

<algo name> (<filename>) = <digest>

to use the same format as GNU cksum

src/uu/cksum/src/cksum.rs

@@ -159,8 +159,14 @@ where
                 div_ceil(sz, options.output_bits),
                 filename.display()
             ),
-            (_, true) => println!("{sum} {sz}"),
-            (_, false) => println!("{sum} {sz} {}", filename.display()),
+            (ALGORITHM_OPTIONS_CRC, true) => println!("{sum} {sz}"),
+            (ALGORITHM_OPTIONS_CRC, false) => println!("{sum} {sz} {}", filename.display()),
+            (ALGORITHM_OPTIONS_BLAKE2B, _) => println!("BLAKE2b ({}) = {sum}", filename.display()),
+            _ => println!(
+                "{} ({}) = {sum}",
+                options.algo_name.to_ascii_uppercase(),
+                filename.display()
+            ),
         }
     }
 

tests/by-util/test_cksum.rs

@@ -1,7 +1,11 @@
-// spell-checker:ignore (words) asdf
+// spell-checker:ignore (words) asdf algo algos
 
 use crate::common::util::TestScenario;
 
+const ALGOS: [&str; 11] = [
+    "sysv", "bsd", "crc", "md5", "sha1", "sha224", "sha256", "sha384", "sha512", "blake2b", "sm3",
+];
+
 #[test]
 fn test_invalid_arg() {
     new_ucmd!().arg("--definitely-invalid").fails().code_is(1);
@@ -12,7 +16,7 @@ fn test_single_file() {
     new_ucmd!()
         .arg("lorem_ipsum.txt")
         .succeeds()
-        .stdout_is_fixture("single_file.expected");
+        .stdout_is_fixture("crc_single_file.expected");
 }
 
 #[test]
@@ -21,7 +25,7 @@ fn test_multiple_files() {
         .arg("lorem_ipsum.txt")
         .arg("alice_in_wonderland.txt")
         .succeeds()
-        .stdout_is_fixture("multiple_files.expected");
+        .stdout_is_fixture("crc_multiple_files.expected");
 }
 
 #[test]
@@ -29,7 +33,7 @@ fn test_stdin() {
     new_ucmd!()
         .pipe_in_fixture("lorem_ipsum.txt")
         .succeeds()
-        .stdout_is_fixture("stdin.expected");
+        .stdout_is_fixture("crc_stdin.expected");
 }
 
 #[test]
@@ -117,77 +121,41 @@ fn test_stdin_larger_than_128_bytes() {
 }
 
 #[test]
-fn test_sha1_single_file() {
-    new_ucmd!()
-        .arg("-a=sha1")
-        .arg("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_is("ab1dd0bae1d8883a3d18a66de6afbd28252cfbef 772 lorem_ipsum.txt\n");
+fn test_algorithm_single_file() {
+    for algo in ALGOS {
+        for option in ["-a", "--algorithm"] {
+            new_ucmd!()
+                .arg(format!("{option}={algo}"))
+                .arg("lorem_ipsum.txt")
+                .succeeds()
+                .stdout_is_fixture(format!("{algo}_single_file.expected"));
+        }
+    }
 }
 
 #[test]
-fn test_sm3_single_file() {
-    new_ucmd!()
-        .arg("-a=sm3")
-        .arg("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_is(
-        "6d296b805d060bfed22808df308dbb9b4317794dd4ed6740a10770a782699bc2 772 lorem_ipsum.txt\n",
-    );
+fn test_algorithm_multiple_files() {
+    for algo in ALGOS {
+        for option in ["-a", "--algorithm"] {
+            new_ucmd!()
+                .arg(format!("{option}={algo}"))
+                .arg("lorem_ipsum.txt")
+                .arg("alice_in_wonderland.txt")
+                .succeeds()
+                .stdout_is_fixture(format!("{algo}_multiple_files.expected"));
+        }
+    }
 }
 
 #[test]
-fn test_bsd_single_file() {
-    new_ucmd!()
-        .arg("-a=bsd")
-        .arg("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_only_fixture("bsd_single_file.expected");
-}
-
-#[test]
-fn test_bsd_multiple_files() {
-    new_ucmd!()
-        .arg("-a=bsd")
-        .arg("lorem_ipsum.txt")
-        .arg("alice_in_wonderland.txt")
-        .succeeds()
-        .stdout_only_fixture("bsd_multiple_files.expected");
-}
-
-#[test]
-fn test_bsd_stdin() {
-    new_ucmd!()
-        .arg("-a=bsd")
-        .pipe_in_fixture("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_only_fixture("bsd_stdin.expected");
-}
-
-#[test]
-fn test_sysv_single_file() {
-    new_ucmd!()
-        .arg("-a=sysv")
-        .arg("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_only_fixture("sysv_single_file.expected");
-}
-
-#[test]
-fn test_sysv_multiple_files() {
-    new_ucmd!()
-        .arg("-a=sysv")
-        .arg("lorem_ipsum.txt")
-        .arg("alice_in_wonderland.txt")
-        .succeeds()
-        .stdout_only_fixture("sysv_multiple_files.expected");
-}
-
-#[test]
-fn test_sysv_stdin() {
-    new_ucmd!()
-        .arg("-a=sysv")
-        .pipe_in_fixture("lorem_ipsum.txt")
-        .succeeds()
-        .stdout_only_fixture("sysv_stdin.expected");
+fn test_algorithm_stdin() {
+    for algo in ALGOS {
+        for option in ["-a", "--algorithm"] {
+            new_ucmd!()
+                .arg(format!("{option}={algo}"))
+                .pipe_in_fixture("lorem_ipsum.txt")
+                .succeeds()
+                .stdout_is_fixture(format!("{algo}_stdin.expected"));
+        }
+    }
 }

tests/fixtures/cksum/blake2b_multiple_files.expected

@@ -0,0 +1,2 @@
+BLAKE2b (lorem_ipsum.txt) = 0e97a09189e560c3789c0bff1f020166861ef857d1fbfe4574de1842e3c06cabb9575e4af6309a166158c2b408d3c038c1b49d828b35158142cdc0396d1195c3
+BLAKE2b (alice_in_wonderland.txt) = 91b8b0f0868e905ad18b8ac35e4a1dacd289857b19258ab5d1e071761af758b0134ec152d4f011fe1825ca889c80c2e072ca70eb50548c25fc49a98937515af4

tests/fixtures/cksum/blake2b_single_file.expected

@@ -0,0 +1 @@
+BLAKE2b (lorem_ipsum.txt) = 0e97a09189e560c3789c0bff1f020166861ef857d1fbfe4574de1842e3c06cabb9575e4af6309a166158c2b408d3c038c1b49d828b35158142cdc0396d1195c3

tests/fixtures/cksum/blake2b_stdin.expected

@@ -0,0 +1 @@
+BLAKE2b (-) = 0e97a09189e560c3789c0bff1f020166861ef857d1fbfe4574de1842e3c06cabb9575e4af6309a166158c2b408d3c038c1b49d828b35158142cdc0396d1195c3

tests/fixtures/cksum/md5_multiple_files.expected

@@ -0,0 +1,2 @@
+MD5 (lorem_ipsum.txt) = cd724690f7dc61775dfac400a71f2caa
+MD5 (alice_in_wonderland.txt) = f6fa7033e16166a9589aa1c0388ffd58

tests/fixtures/cksum/md5_single_file.expected

@@ -0,0 +1 @@
+MD5 (lorem_ipsum.txt) = cd724690f7dc61775dfac400a71f2caa

tests/fixtures/cksum/md5_stdin.expected

@@ -0,0 +1 @@
+MD5 (-) = cd724690f7dc61775dfac400a71f2caa

tests/fixtures/cksum/sha1_multiple_files.expected

@@ -0,0 +1,2 @@
+SHA1 (lorem_ipsum.txt) = ab1dd0bae1d8883a3d18a66de6afbd28252cfbef
+SHA1 (alice_in_wonderland.txt) = 22b54b2520e8b4fa59eb10719028a4e587c12d1e

tests/fixtures/cksum/sha1_single_file.expected

@@ -0,0 +1 @@
+SHA1 (lorem_ipsum.txt) = ab1dd0bae1d8883a3d18a66de6afbd28252cfbef

tests/fixtures/cksum/sha1_stdin.expected

@@ -0,0 +1 @@
+SHA1 (-) = ab1dd0bae1d8883a3d18a66de6afbd28252cfbef

tests/fixtures/cksum/sha224_multiple_files.expected

@@ -0,0 +1,2 @@
+SHA224 (lorem_ipsum.txt) = 3de66fbcad106e1b40ab391be56c51d2007eb1f9c655d0f4e29bfc01
+SHA224 (alice_in_wonderland.txt) = 54c9c7d78458886418ce0845111fc49fe1c628ffd4bf3da14226ffd9

tests/fixtures/cksum/sha224_single_file.expected

@@ -0,0 +1 @@
+SHA224 (lorem_ipsum.txt) = 3de66fbcad106e1b40ab391be56c51d2007eb1f9c655d0f4e29bfc01

tests/fixtures/cksum/sha224_stdin.expected

@@ -0,0 +1 @@
+SHA224 (-) = 3de66fbcad106e1b40ab391be56c51d2007eb1f9c655d0f4e29bfc01

tests/fixtures/cksum/sha256_multiple_files.expected

@@ -0,0 +1,2 @@
+SHA256 (lorem_ipsum.txt) = f7c420501c50e00b309250100d67ea5e910981536b4582fe9c435bd92b3f1f02
+SHA256 (alice_in_wonderland.txt) = 14ab7e5a0aa3a670222744714bc96961d51012cb216225d965db71824a46e5fe

tests/fixtures/cksum/sha256_single_file.expected

@@ -0,0 +1 @@
+SHA256 (lorem_ipsum.txt) = f7c420501c50e00b309250100d67ea5e910981536b4582fe9c435bd92b3f1f02

tests/fixtures/cksum/sha256_stdin.expected

@@ -0,0 +1 @@
+SHA256 (-) = f7c420501c50e00b309250100d67ea5e910981536b4582fe9c435bd92b3f1f02