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84ac80f192
The previous commit updated `rustfmt.toml` appropriately. This commit is the outcome of running `x fmt --all` with the new formatting options.
38 lines
1.5 KiB
Rust
38 lines
1.5 KiB
Rust
// This test verifies that rustdoc doesn't ICE when it encounters an IO error
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// while generating files. Ideally this would be a rustdoc-ui test, so we could
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// verify the error message as well.
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//
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// It operates by creating a temporary directory and modifying its
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// permissions so that it is not writable. We have to take special care to set
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// the permissions back to normal so that it's able to be deleted later.
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//@ ignore-riscv64
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//@ ignore-arm
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// FIXME: The riscv64gc-gnu and armhf-gnu build containers run as root,
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// and can always write into `inaccessible/tmp`. Ideally, these docker
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// containers would use a non-root user, but this leads to issues with
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// `mkfs.ext4 -d`, as well as mounting a loop device for the rootfs.
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//@ ignore-windows - the `set_readonly` functions doesn't work on folders.
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use std::fs;
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use run_make_support::{path, rustdoc};
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fn main() {
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let out_dir = path("rustdoc-io-error");
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let output = fs::create_dir(&out_dir).unwrap();
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let mut permissions = fs::metadata(&out_dir).unwrap().permissions();
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let original_permissions = permissions.clone();
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permissions.set_readonly(true);
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fs::set_permissions(&out_dir, permissions).unwrap();
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let output = rustdoc().input("foo.rs").output(&out_dir).env("RUST_BACKTRACE", "1").run_fail();
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fs::set_permissions(&out_dir, original_permissions).unwrap();
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output
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.assert_exit_code(1)
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.assert_stderr_contains("error: couldn't generate documentation: Permission denied");
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}
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