use std::fs;
use crate::prelude::*;
use cargo_test_support::compare::assert_e2e;
use cargo_test_support::registry::{Package, RegistryBuilder};
use cargo_test_support::{ProjectBuilder, basic_manifest, paths, project, str};
#[cargo_test]
fn adding_and_removing_packages() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
p.cargo("generate-lockfile").run();
let lock1 = p.read_lockfile();
p.change_file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
[dependencies.bar]
path = "bar"
"#,
);
p.cargo("generate-lockfile").run();
let lock2 = p.read_lockfile();
assert_ne!(lock1, lock2);
p.change_file("bar/Cargo.toml", &basic_manifest("bar", "0.0.2"));
p.cargo("generate-lockfile").run();
let lock3 = p.read_lockfile();
assert_ne!(lock1, lock3);
assert_ne!(lock2, lock3);
println!("lock4");
p.change_file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
"#,
);
p.cargo("generate-lockfile").run();
let lock4 = p.read_lockfile();
assert_eq!(lock1, lock4);
}
#[cargo_test]
fn no_index_update_sparse() {
let _registry = RegistryBuilder::new().http_index().build();
no_index_update(
str![[r#"
[UPDATING] `dummy-registry` index
[LOCKING] 1 package to latest compatible version
"#]],
str![[r#"
[LOCKING] 1 package to latest compatible version
"#]],
);
}
#[cargo_test]
fn no_index_update_git() {
no_index_update(
str![[r#"
[UPDATING] `dummy-registry` index
[LOCKING] 1 package to latest compatible version
"#]],
str![[r#"
[LOCKING] 1 package to latest compatible version
"#]],
);
}
fn no_index_update(expected: impl IntoData, expected_unstable_option: impl IntoData) {
Package::new("serde", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
authors = []
version = "0.0.1"
[dependencies]
serde = "1.0"
"#,
)
.file("src/main.rs", "fn main() {}")
.build();
p.cargo("generate-lockfile")
.with_stderr_data(expected)
.run();
p.cargo("generate-lockfile -Zno-index-update")
.masquerade_as_nightly_cargo(&["no-index-update"])
.with_stdout_data("")
.with_stderr_data(expected_unstable_option)
.run();
}
#[cargo_test]
fn preserve_metadata() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
p.cargo("generate-lockfile").run();
let metadata = r#"
[metadata]
bar = "baz"
foo = "bar"
"#;
let lock = p.read_lockfile();
let data = lock + metadata;
p.change_file("Cargo.lock", &data);
p.cargo("build").run();
let lock = p.read_lockfile();
assert!(lock.contains(metadata.trim()), "{}", lock);
p.cargo("update").run();
let lock = p.read_lockfile();
assert!(lock.contains(metadata.trim()), "{}", lock);
}
#[cargo_test]
fn preserve_line_endings_issue_2076() {
let p = project()
.file("src/main.rs", "fn main() {}")
.file("bar/Cargo.toml", &basic_manifest("bar", "0.0.1"))
.file("bar/src/lib.rs", "")
.build();
let lockfile = p.root().join("Cargo.lock");
p.cargo("generate-lockfile").run();
assert!(lockfile.is_file());
p.cargo("generate-lockfile").run();
let lock0 = p.read_lockfile();
assert!(lock0.starts_with("# This file is automatically @generated by Cargo.\n# It is not intended for manual editing.\n"));
let lock1 = lock0.replace("\n", "\r\n");
p.change_file("Cargo.lock", &lock1);
p.cargo("generate-lockfile").run();
let lock2 = p.read_lockfile();
assert!(lock2.starts_with("# This file is automatically @generated by Cargo.\r\n# It is not intended for manual editing.\r\n"));
assert_eq!(lock1, lock2);
}
#[cargo_test]
fn cargo_update_generate_lockfile() {
let p = project().file("src/main.rs", "fn main() {}").build();
let lockfile = p.root().join("Cargo.lock");
assert!(!lockfile.is_file());
p.cargo("update").with_stderr_data("").run();
assert!(lockfile.is_file());
fs::remove_file(p.root().join("Cargo.lock")).unwrap();
assert!(!lockfile.is_file());
p.cargo("update").with_stderr_data("").run();
assert!(lockfile.is_file());
}
#[cargo_test]
fn duplicate_entries_in_lockfile() {
let _a = ProjectBuilder::new(paths::root().join("a"))
.file(
"Cargo.toml",
r#"
[package]
name = "a"
authors = []
version = "0.0.1"
[dependencies]
common = {path="common"}
"#,
)
.file("src/lib.rs", "")
.build();
let common_toml = &basic_manifest("common", "0.0.1");
let _common_in_a = ProjectBuilder::new(paths::root().join("a/common"))
.file("Cargo.toml", common_toml)
.file("src/lib.rs", "")
.build();
let b = ProjectBuilder::new(paths::root().join("b"))
.file(
"Cargo.toml",
r#"
[package]
name = "b"
authors = []
version = "0.0.1"
edition = "2015"
[dependencies]
common = {path="common"}
a = {path="../a"}
"#,
)
.file("src/lib.rs", "")
.build();
let _common_in_b = ProjectBuilder::new(paths::root().join("b/common"))
.file("Cargo.toml", common_toml)
.file("src/lib.rs", "")
.build();
b.cargo("build")
.with_status(101)
.with_stderr_data(str![[r#"
[ERROR] package collision in the lockfile: packages common v0.0.1 ([ROOT]/a/common) and common v0.0.1 ([ROOT]/b/common) are different, but only one can be written to lockfile unambiguously
"#]])
.run();
}
#[cargo_test]
fn generate_lockfile_holds_lock_and_offline() {
Package::new("syn", "1.0.0").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
[dependencies]
syn = "1.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("generate-lockfile")
.with_stderr_data(str![[r#"
[UPDATING] `dummy-registry` index
[LOCKING] 1 package to latest compatible version
"#]])
.run();
p.cargo("generate-lockfile --offline")
.with_stderr_data(str![[r#"
[LOCKING] 1 package to latest compatible version
"#]])
.run();
}
#[cargo_test]
fn publish_time_feature_gated() {
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
[dependencies]
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("generate-lockfile --publish-time 2025-03-01T06:00:00Z")
.masquerade_as_nightly_cargo(&["publish-time"])
.with_status(101)
.with_stderr_data(str![[r#"
[ERROR] the `--publish-time` flag is unstable, pass `-Z unstable-options` to enable it
See https://github.com/rust-lang/cargo/issues/5221 for more information about the `--publish-time` flag.
"#]])
.run();
}
#[cargo_test]
fn publish_time() {
Package::new("has_time", "2025.1.1")
.pubtime("2025-01-01T06:00:00Z")
.publish();
Package::new("has_time", "2025.6.1")
.pubtime("2025-06-01T06:00:00Z")
.publish();
Package::new("no_time", "2025.1.1").publish();
Package::new("no_time", "2025.6.1").publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
[dependencies]
has_time = "2025.0"
no_time = "2025.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("generate-lockfile --publish-time 2025-03-01T06:00:00Z -Zunstable-options")
.masquerade_as_nightly_cargo(&["publish-time"])
.with_stderr_data(str![[r#"
[UPDATING] `dummy-registry` index
[LOCKING] 2 packages to latest compatible versions as of 2025-03-01T06:00:00Z
[ADDING] has_time v2025.1.1 (available: v2025.6.1)
"#]])
.run();
let lock = p.read_lockfile();
assert_e2e().eq(
lock,
str![[r##"
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
version = 4
[[package]]
name = "foo"
version = "0.0.0"
dependencies = [
"has_time",
"no_time",
]
[[package]]
name = "has_time"
version = "2025.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "105ca3acbc796da3e728ff310cafc6961cebc48d0106285edb8341015b5cc2d7"
[[package]]
name = "no_time"
version = "2025.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "01e688c07975f1e85f526c033322273181a4d8fe97800543d813d0a0adc134e3"
"##]],
);
}
#[cargo_test]
fn publish_time_no_candidates() {
Package::new("has_time", "2025.6.1")
.pubtime("2025-06-01T06:00:00Z")
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
[dependencies]
has_time = "2025.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("generate-lockfile --publish-time 2025-03-01T06:00:00Z -Zunstable-options")
.masquerade_as_nightly_cargo(&["publish-time"])
.with_status(101)
.with_stderr_data(str![[r#"
[UPDATING] `dummy-registry` index
[ERROR] failed to select a version for the requirement `has_time = "^2025.0"`
version 2025.6.1 is unavailable
location searched: `dummy-registry` index (which is replacing registry `crates-io`)
required by package `foo v0.0.0 ([ROOT]/foo)`
"#]])
.run();
}
#[cargo_test]
fn publish_time_invalid() {
Package::new("has_time", "2025.6.1")
.pubtime("2025-06-01T06:00:00")
.publish();
let p = project()
.file(
"Cargo.toml",
r#"
[package]
name = "foo"
[dependencies]
has_time = "2025.0"
"#,
)
.file("src/lib.rs", "")
.build();
p.cargo("generate-lockfile --publish-time 2025-03-01T06:00:00Z -Zunstable-options")
.masquerade_as_nightly_cargo(&["publish-time"])
.with_status(101)
.with_stderr_data(str![[r#"
[UPDATING] `dummy-registry` index
[ERROR] failed to select a version for the requirement `has_time = "^2025.0"`
version 2025.6.1's index entry is invalid
location searched: `dummy-registry` index (which is replacing registry `crates-io`)
required by package `foo v0.0.0 ([ROOT]/foo)`
"#]])
.run();
}