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fix(cli): improve deno compile error messages (#13944)

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Co-authored-by: David Sherret <dsherret@gmail.com>
This commit is contained in:
TrickyPi 2022-03-19 07:18:50 +08:00 committed by GitHub
parent c98c976294
commit b01bc7faff
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2 changed files with 48 additions and 9 deletions
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30
cli/tests/integration/compile_tests.rs
View file

@ -306,8 +306,14 @@ fn compile_with_file_exists_error() {
.wait_with_output()
.unwrap();
assert!(!output.status.success());
let expected_stderr =
format!("Could not compile: {:?} is a file.\n", &file_path);
let expected_stderr = format!(
concat!(
"Could not compile to file '{}' because its parent directory ",
"is an existing file. You can use the `--output <file-path>` flag to ",
"provide an alternative name.\n",
),
file_path.display(),
);
let stderr = String::from_utf8(output.stderr).unwrap();
assert!(stderr.contains(&expected_stderr));
}
@ -334,8 +340,14 @@ fn compile_with_directory_exists_error() {
.wait_with_output()
.unwrap();
assert!(!output.status.success());
let expected_stderr =
format!("Could not compile: {:?} is a directory.\n", &exe);
let expected_stderr = format!(
concat!(
"Could not compile to file '{}' because a directory exists with ",
"the same name. You can use the `--output <file-path>` flag to ",
"provide an alternative name."
),
exe.display()
);
let stderr = String::from_utf8(output.stderr).unwrap();
assert!(stderr.contains(&expected_stderr));
}
@ -363,8 +375,14 @@ fn compile_with_conflict_file_exists_error() {
.wait_with_output()
.unwrap();
assert!(!output.status.success());
let expected_stderr =
format!("Could not compile: cannot overwrite {:?}.\n", &exe);
let expected_stderr = format!(
concat!(
"Could not compile to file '{}' because the file already exists ",
"and cannot be overwritten. Please delete the existing file or ",
"use the `--output <file-path` flag to provide an alternative name."
),
exe.display()
);
let stderr = String::from_utf8(output.stderr).unwrap();
dbg!(&stderr);
assert!(stderr.contains(&expected_stderr));

27
cli/tools/standalone.rs
View file

@ -183,7 +183,14 @@ pub async fn write_standalone_binary(
if output.exists() {
// If the output is a directory, throw error
if output.is_dir() {
bail!("Could not compile: {:?} is a directory.", &output);
bail!(
concat!(
"Could not compile to file '{}' because a directory exists with ",
"the same name. You can use the `--output <file-path>` flag to ",
"provide an alternative name."
),
output.display()
);
}
// Make sure we don't overwrite any file not created by Deno compiler.
@ -199,7 +206,14 @@ pub async fn write_standalone_binary(
has_trailer = magic_trailer == MAGIC_TRAILER;
}
if !has_trailer {
bail!("Could not compile: cannot overwrite {:?}.", &output);
bail!(
concat!(
"Could not compile to file '{}' because the file already exists ",
"and cannot be overwritten. Please delete the existing file or ",
"use the `--output <file-path` flag to provide an alternative name."
),
output.display()
);
}
// Remove file if it was indeed a deno compiled binary, to avoid corruption
@ -208,7 +222,14 @@ pub async fn write_standalone_binary(
} else {
let output_base = &output.parent().unwrap();
if output_base.exists() && output_base.is_file() {
bail!("Could not compile: {:?} is a file.", &output_base);
bail!(
concat!(
"Could not compile to file '{}' because its parent directory ",
"is an existing file. You can use the `--output <file-path>` flag to ",
"provide an alternative name.",
),
output_base.display(),
);
}
tokio::fs::create_dir_all(output_base).await?;
}