enable+convert more cmd-test.roc

Author: Anton-4

Cargo.lock

@@ -39,8 +39,8 @@ repository = "https://github.com/roc-lang/basic-cli"
 
 [workspace.dependencies]
 # Core Roc types
-# roc-nightly: 2026-02-20
-roc_std_new = { git = "https://github.com/roc-lang/roc", rev = "c5d87ef595fdc1c8b28dfdb6ebbe5b44ddea966f" }
+# roc-nightly: 2026-03-03
+roc_std_new = { git = "https://github.com/roc-lang/roc", rev = "3fa8df31997e3e233d5bda63eec8737ccd3ce941" }
 
 # Internal crates
 roc_io_error = { path = "crates/roc_io_error" }

Cargo.toml

@@ -13,89 +13,73 @@ main! = |_args| {
         "Try.Err(FailedToGetExitCode({ command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound }))"
     )?
 
-    # expect_err(
-    #     Cmd.exec!("cat", ["non_existent.txt"]),
-    #     "(Err (ExecFailed {command: \"cat non_existent.txt\", exit_code: 1}))"
-    # )?
+    expect_err(
+        Cmd.exec!("cat", ["non_existent.txt"]),
+        "Try.Err(ExecFailed({ command: \"cat non_existent.txt\", exit_code: 1 }))"
+    )?
 
-    # # exec_cmd!
-    # expect_err(
-    #     Cmd.new("blablaXYZ")
-    #     |> Cmd.exec_cmd!,
-    #     "(Err (FailedToGetExitCode {command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound}))"
-    # )?
+    # exec_cmd!
+    expect_err(
+        Cmd.new("blablaXYZ").exec_cmd!(),
+        "Try.Err(FailedToGetExitCode({ command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound }))"
+    )?
 
-    # expect_err(
-    #     Cmd.new("cat")
-    #     |> Cmd.arg("non_existent.txt")
-    #     |> Cmd.exec_cmd!,
-    #     "(Err (ExecCmdFailed {command: \"{ cmd: cat, args: non_existent.txt }\", exit_code: 1}))"
-    # )?
+    expect_err(
+        Cmd.new("cat").arg("non_existent.txt").exec_cmd!(),
+        "Try.Err(ExecCmdFailed({ command: \"{ cmd: cat, args: non_existent.txt }\", exit_code: 1 }))"
+    )?
 
-    # # exec_output!
-    # expect_err(
-    #     Cmd.new("blablaXYZ")
-    #     |> Cmd.exec_output!,
-    #     "(Err (FailedToGetExitCode {command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound}))"
-    # )?
+    # exec_output!
+    expect_err(
+        Cmd.new("blablaXYZ").exec_output!(),
+        "Try.Err(FailedToGetExitCode({ command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound }))"
+    )?
 
-    # expect_err(
-    #     Cmd.new("cat")
-    #     |> Cmd.arg("non_existent.txt")
-    #     |> Cmd.exec_output!,
-    #     "(Err (NonZeroExitCode {command: \"{ cmd: cat, args: non_existent.txt }\", exit_code: 1, stderr_utf8_lossy: \"cat: non_existent.txt: No such file or directory\n\", stdout_utf8_lossy: \"\"}))"
-    # )?
+    expect_err(
+        Cmd.new("cat").arg("non_existent.txt").exec_output!(),
+        "Try.Err(NonZeroExitCode({ command: \"{ cmd: cat, args: non_existent.txt }\", exit_code: 1, stderr_utf8_lossy: \"cat: non_existent.txt: No such file or directory\n\", stdout_utf8_lossy: \"\" }))"
+    )?
 
-    # # Test StdoutContainsInvalidUtf8 - using printf to output invalid UTF-8 bytes
+    # Test StdoutContainsInvalidUtf8 - blocked by compiler bug
     # expect_err(
-    #     Cmd.new("printf")
-    #     |> Cmd.args(["\\377\\376"])  # Invalid UTF-8 sequence
-    #     |> Cmd.exec_output!,
-    #     "(Err (StdoutContainsInvalidUtf8 {cmd_str: \"{ cmd: printf, args: \\377\\376 }\", err: (BadUtf8 {index: 0, problem: InvalidStartByte})}))"
+    #     Cmd.new("printf").args(["\\377\\376"]).exec_output!(),
+    #     "Try.Err(StdoutContainsInvalidUtf8({ cmd_str: \"{ cmd: printf, args: \\377\\376 }\", err: BadUtf8({ index: 0, problem: InvalidStartByte }) }))"
     # )?
 
-    # # exec_output_bytes!
-    # expect_err(
-    #     Cmd.new("blablaXYZ")
-    #     |> Cmd.exec_output_bytes!,
-    #     "(Err (FailedToGetExitCodeB NotFound))"
-    # )?
+    # exec_output_bytes!
+    expect_err(
+        Cmd.new("blablaXYZ").exec_output_bytes!(),
+        "Try.Err(FailedToGetExitCodeB(NotFound))"
+    )?
 
-    # expect_err(
-    #     Cmd.new("cat")
-    #     |> Cmd.arg("non_existent.txt")
-    #     |> Cmd.exec_output_bytes!,
-    #     "(Err (NonZeroExitCodeB {exit_code: 1, stderr_bytes: [99, 97, 116, 58, 32, 110, 111, 110, 95, 101, 120, 105, 115, 116, 101, 110, 116, 46, 116, 120, 116, 58, 32, 78, 111, 32, 115, 117, 99, 104, 32, 102, 105, 108, 101, 32, 111, 114, 32, 100, 105, 114, 101, 99, 116, 111, 114, 121, 10], stdout_bytes: []}))"
-    # )?
+    expect_err(
+        Cmd.new("cat").arg("non_existent.txt").exec_output_bytes!(),
+        "Try.Err(NonZeroExitCodeB({ exit_code: 1, stderr_bytes: [99, 97, 116, 58, 32, 110, 111, 110, 95, 101, 120, 105, 115, 116, 101, 110, 116, 46, 116, 120, 116, 58, 32, 78, 111, 32, 115, 117, 99, 104, 32, 102, 105, 108, 101, 32, 111, 114, 32, 100, 105, 114, 101, 99, 116, 111, 114, 121, 10], stdout_bytes: [] }))"
+    )?
 
-    # # exec_exit_code!
-    # expect_err(
-    #     Cmd.new("blablaXYZ")
-    #     |> Cmd.exec_exit_code!,
-    #     "(Err (FailedToGetExitCode {command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound}))"
-    # )?
+    # exec_exit_code!
+    expect_err(
+        Cmd.new("blablaXYZ").exec_exit_code!(),
+        "Try.Err(FailedToGetExitCode({ command: \"{ cmd: blablaXYZ, args:  }\", err: NotFound }))"
+    )?
+
+    # exec_exit_code! with non-zero exit code is not an error - it returns the exit code
+    exit_code =
+        Cmd.new("cat")
+            .arg("non_existent.txt")
+            .exec_exit_code!()?
 
-    # # exec_exit_code! with non-zero exit code is not an error - it returns the exit code
-    # exit_code =
-    #     Cmd.new("cat")
-    #     |> Cmd.arg("non_existent.txt")
-    #     |> Cmd.exec_exit_code!()?
-    #
-    # if exit_code == 1 {
-    #     Ok({})?
-    # } else {
-    #     Err(FailedExpectation(
-    #         """
-    #
-    #         - Expected:
-    #         1
-    #
-    #         - Got:
-    #         ${Inspect.to_str(exit_code)}
-    #
-    #         """
-    #     ))?
-    # }
+    if exit_code == 1 {
+        Ok({})?
+    } else {
+        Err(FailedExpectation(
+            \\- Expected:
+            \\1
+            \\
+            \\- Got:
+            \\${Str.inspect(exit_code)}
+        ))?
+    }
 
     Stdout.line!("All tests passed.")?