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https://chromium.googlesource.com/crosvm/crosvm
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009cb53c76
Cargo already uses the term 'integration test' for tests living in the tests/ directory of a crate. To prevent confusion, rename our 'integration_tests' crate to 'e2e_tests'. BUG=None TEST=presubmit Change-Id: Icfa819eaed08be54ab0f36092f1ba367f3f1ce88 Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4004977 Commit-Queue: Dennis Kempin <denniskempin@google.com> Reviewed-by: Zihan Chen <zihanchen@google.com>
93 lines
2.5 KiB
Rust
93 lines
2.5 KiB
Rust
// Copyright 2022 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//! Testing virtio-block.
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pub mod fixture;
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use std::env;
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use std::process::Command;
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use fixture::Config;
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use fixture::TestVm;
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use tempfile::NamedTempFile;
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const DEFAULT_BLOCK_SIZE: u64 = 1024 * 1024;
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fn prepare_disk_img() -> NamedTempFile {
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let mut disk = NamedTempFile::new().unwrap();
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disk.as_file_mut().set_len(DEFAULT_BLOCK_SIZE).unwrap();
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// Add /sbin and /usr/sbin to PATH since some distributions put mkfs.ext4 in one of those
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// directories but don't add them to non-root PATH.
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let path = env::var("PATH").unwrap();
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let path = [&path, "/sbin", "/usr/sbin"].join(":");
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// TODO(b/243127910): Use `mkfs.ext4 -d` to include test data.
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Command::new("mkfs.ext4")
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.arg(disk.path().to_str().unwrap())
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.env("PATH", path)
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.output()
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.expect("failed to execute process");
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disk
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}
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// TODO(b/243127498): Add tests for write and sync operations.
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#[test]
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fn mount_block() {
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let disk = prepare_disk_img();
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let disk_path = disk.path().to_str().unwrap();
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println!("disk={disk_path}");
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let config = Config::new().extra_args(vec!["--block".to_string(), format!("{},ro", disk_path)]);
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let mut vm = TestVm::new(config).unwrap();
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assert_eq!(
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vm.exec_in_guest("mount -t ext4 /dev/vdb /mnt && echo 42")
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.unwrap()
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.trim(),
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"42"
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);
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}
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#[test]
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fn resize() {
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let disk = prepare_disk_img();
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let disk_path = disk.path().to_str().unwrap().to_string();
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println!("disk={disk_path}");
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let config = Config::new().extra_args(vec!["--block".to_string(), disk_path]);
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let mut vm = TestVm::new(config).unwrap();
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// Check the initial block device size.
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assert_eq!(
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vm.exec_in_guest("blockdev --getsize64 /dev/vdb")
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.unwrap()
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.trim()
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.parse::<u64>()
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.unwrap(),
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DEFAULT_BLOCK_SIZE
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);
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let new_size = DEFAULT_BLOCK_SIZE * 2;
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// The index of the disk to resize.
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let disk_index = 1;
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vm.disk(vec![
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"resize".to_string(),
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disk_index.to_string(),
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new_size.to_string(),
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])
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.expect("Disk resizing command failed");
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// Check the new block device size.
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assert_eq!(
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vm.exec_in_guest("blockdev --getsize64 /dev/vdb")
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.unwrap()
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.trim()
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.parse::<u64>()
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.unwrap(),
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new_size
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);
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}
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