mirror of
https://github.com/rust-lang/cargo
synced 2024-11-05 18:50:39 +00:00
740 lines
19 KiB
Rust
740 lines
19 KiB
Rust
//! Tests for weak-dep-features.
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use super::features2::switch_to_resolver_2;
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use cargo_test_support::paths::CargoPathExt;
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use cargo_test_support::registry::{Dependency, Package};
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use cargo_test_support::{project, publish};
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use std::fmt::Write;
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// Helper to create lib.rs files that check features.
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fn require(enabled_features: &[&str], disabled_features: &[&str]) -> String {
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let mut s = String::new();
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for feature in enabled_features {
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writeln!(s, "#[cfg(not(feature=\"{feature}\"))] compile_error!(\"expected feature {feature} to be enabled\");",
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feature=feature).unwrap();
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}
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for feature in disabled_features {
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writeln!(s, "#[cfg(feature=\"{feature}\")] compile_error!(\"did not expect feature {feature} to be enabled\");",
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feature=feature).unwrap();
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}
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s
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}
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#[cargo_test]
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fn gated() {
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// Need -Z weak-dep-features to enable.
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Package::new("bar", "1.0.0").feature("feat", &[]).publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = { version = "1.0", optional = true }
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[features]
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f1 = ["bar?/feat"]
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("check")
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.with_status(101)
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.with_stderr(
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"\
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error: failed to parse manifest at `[ROOT]/foo/Cargo.toml`
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Caused by:
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optional dependency features with `?` syntax are only allowed on the nightly \
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channel and requires the `-Z weak-dep-features` flag on the command line
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Feature `f1` had feature value `bar?/feat`.
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",
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)
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.run();
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}
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#[cargo_test]
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fn dependency_gate_ignored() {
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// Dependencies with ? features in the registry are ignored in the
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// registry if not on nightly.
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Package::new("baz", "1.0.0").feature("feat", &[]).publish();
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Package::new("bar", "1.0.0")
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.add_dep(Dependency::new("baz", "1.0").optional(true))
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.feature("feat", &["baz?/feat"])
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("check")
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.masquerade_as_nightly_cargo()
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.with_status(101)
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.with_stderr(
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"\
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[UPDATING] [..]
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[ERROR] no matching package named `bar` found
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location searched: registry `crates-io`
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required by package `foo v0.1.0 ([..]/foo)`
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",
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)
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.run();
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// Publish a version without the ? feature, it should ignore 1.0.0
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// and use this instead.
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Package::new("bar", "1.0.1")
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.add_dep(Dependency::new("baz", "1.0").optional(true))
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.feature("feat", &["baz"])
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.publish();
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p.cargo("check")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] bar [..]
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[CHECKING] bar v1.0.1
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn simple() {
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Package::new("bar", "1.0.0")
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.feature("feat", &[])
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.file("src/lib.rs", &require(&["feat"], &[]))
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = { version = "1.0", optional = true }
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[features]
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f1 = ["bar?/feat"]
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"#,
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)
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.file("src/lib.rs", &require(&["f1"], &[]))
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.build();
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// It's a bit unfortunate that this has to download `bar`, but avoiding
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// that is extremely difficult.
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p.cargo("check -Z weak-dep-features --features f1")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] bar v1.0.0 [..]
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("check -Z weak-dep-features --features f1,bar")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[CHECKING] bar v1.0.0
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn deferred() {
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// A complex chain that requires deferring enabling the feature due to
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// another dependency getting enabled.
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Package::new("bar", "1.0.0")
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.feature("feat", &[])
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.file("src/lib.rs", &require(&["feat"], &[]))
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.publish();
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Package::new("dep", "1.0.0")
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.add_dep(Dependency::new("bar", "1.0").optional(true))
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.feature("feat", &["bar?/feat"])
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.publish();
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Package::new("bar_activator", "1.0.0")
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.feature_dep("dep", "1.0", &["bar"])
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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dep = { version = "1.0", features = ["feat"] }
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bar_activator = "1.0"
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("check -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] dep v1.0.0 [..]
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[DOWNLOADED] bar_activator v1.0.0 [..]
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[DOWNLOADED] bar v1.0.0 [..]
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[CHECKING] bar v1.0.0
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[CHECKING] dep v1.0.0
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[CHECKING] bar_activator v1.0.0
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn not_optional_dep() {
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// Attempt to use dep_name?/feat where dep_name is not optional.
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Package::new("dep", "1.0.0").feature("feat", &[]).publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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dep = "1.0"
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[features]
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feat = ["dep?/feat"]
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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p.cargo("check -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_status(101)
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.with_stderr("\
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error: failed to parse manifest at `[ROOT]/foo/Cargo.toml`
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Caused by:
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feature `feat` includes `dep?/feat` with a `?`, but `dep` is not an optional dependency
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A non-optional dependency of the same name is defined; consider removing the `?` or changing the dependency to be optional
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")
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.run();
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}
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#[cargo_test]
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fn optional_cli_syntax() {
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// --features bar?/feat
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Package::new("bar", "1.0.0")
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.feature("feat", &[])
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.file("src/lib.rs", &require(&["feat"], &[]))
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = { version = "1.0", optional = true }
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"#,
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)
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.file("src/lib.rs", "")
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.build();
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// Does not build bar.
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p.cargo("check --features bar?/feat -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] bar v1.0.0 [..]
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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// Builds bar.
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p.cargo("check --features bar?/feat,bar -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[CHECKING] bar v1.0.0
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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eprintln!("check V2 resolver");
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switch_to_resolver_2(&p);
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p.build_dir().rm_rf();
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// Does not build bar.
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p.cargo("check --features bar?/feat -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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// Builds bar.
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p.cargo("check --features bar?/feat,bar -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[CHECKING] bar v1.0.0
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn required_features() {
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// required-features doesn't allow ?
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Package::new("bar", "1.0.0").feature("feat", &[]).publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = { version = "1.0", optional = true }
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[[bin]]
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name = "foo"
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required-features = ["bar?/feat"]
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"#,
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)
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.file("src/main.rs", "fn main() {}")
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.build();
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p.cargo("check -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_status(101)
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.with_stderr(
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"\
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[UPDATING] [..]
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[ERROR] invalid feature `bar?/feat` in required-features of target `foo`: \
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optional dependency with `?` is not allowed in required-features
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",
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)
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.run();
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}
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#[cargo_test]
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fn weak_with_host_decouple() {
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// -Z weak-opt-features with new resolver
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//
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// foo v0.1.0
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// └── common v1.0.0
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// └── bar v1.0.0 <-- does not have `feat` enabled
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// [build-dependencies]
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// └── bar_activator v1.0.0
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// └── common v1.0.0
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// └── bar v1.0.0 <-- does have `feat` enabled
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Package::new("bar", "1.0.0")
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.feature("feat", &[])
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.file(
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"src/lib.rs",
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r#"
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pub fn feat() -> bool {
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cfg!(feature = "feat")
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}
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"#,
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)
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.publish();
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Package::new("common", "1.0.0")
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.add_dep(Dependency::new("bar", "1.0").optional(true))
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.feature("feat", &["bar?/feat"])
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.file(
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"src/lib.rs",
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r#"
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#[cfg(feature = "bar")]
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pub fn feat() -> bool { bar::feat() }
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#[cfg(not(feature = "bar"))]
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pub fn feat() -> bool { false }
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"#,
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)
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.publish();
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Package::new("bar_activator", "1.0.0")
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.feature_dep("common", "1.0", &["bar", "feat"])
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.file(
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"src/lib.rs",
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r#"
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pub fn feat() -> bool {
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common::feat()
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}
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"#,
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)
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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resolver = "2"
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[dependencies]
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common = { version = "1.0", features = ["feat"] }
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[build-dependencies]
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bar_activator = "1.0"
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"#,
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)
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.file(
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"src/main.rs",
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r#"
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fn main() {
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assert!(!common::feat());
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}
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"#,
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)
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.file(
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"build.rs",
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r#"
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fn main() {
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assert!(bar_activator::feat());
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}
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"#,
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)
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.build();
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p.cargo("run -Z weak-dep-features")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] [..]
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[DOWNLOADED] [..]
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[DOWNLOADED] [..]
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[COMPILING] bar v1.0.0
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[COMPILING] common v1.0.0
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[COMPILING] bar_activator v1.0.0
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[COMPILING] foo v0.1.0 [..]
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[FINISHED] [..]
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[RUNNING] `target/debug/foo[EXE]`
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",
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)
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.run();
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}
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#[cargo_test]
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fn weak_namespaced() {
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// Behavior with a dep: dependency.
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Package::new("bar", "1.0.0")
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.feature("feat", &[])
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.file("src/lib.rs", &require(&["feat"], &[]))
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.publish();
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let p = project()
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.file(
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"Cargo.toml",
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r#"
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[package]
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name = "foo"
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version = "0.1.0"
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[dependencies]
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bar = { version = "1.0", optional = true }
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[features]
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f1 = ["bar?/feat"]
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f2 = ["dep:bar"]
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"#,
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)
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.file("src/lib.rs", &require(&["f1"], &["f2", "bar"]))
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.build();
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p.cargo("check -Z weak-dep-features -Z namespaced-features --features f1")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[UPDATING] [..]
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[DOWNLOADING] crates ...
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[DOWNLOADED] bar v1.0.0 [..]
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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p.cargo("tree -Z weak-dep-features -Z namespaced-features -f")
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.arg("{p} feats:{f}")
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.masquerade_as_nightly_cargo()
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.with_stdout("foo v0.1.0 ([ROOT]/foo) feats:")
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.run();
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p.cargo("tree -Z weak-dep-features -Z namespaced-features --features f1 -f")
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.arg("{p} feats:{f}")
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.masquerade_as_nightly_cargo()
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.with_stdout("foo v0.1.0 ([ROOT]/foo) feats:f1")
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.run();
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p.cargo("tree -Z weak-dep-features -Z namespaced-features --features f1,f2 -f")
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.arg("{p} feats:{f}")
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.masquerade_as_nightly_cargo()
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.with_stdout(
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"\
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foo v0.1.0 ([ROOT]/foo) feats:f1,f2
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└── bar v1.0.0 feats:feat
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",
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)
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.run();
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// "bar" remains not-a-feature
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p.change_file("src/lib.rs", &require(&["f1", "f2"], &["bar"]));
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p.cargo("check -Z weak-dep-features -Z namespaced-features --features f1,f2")
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.masquerade_as_nightly_cargo()
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.with_stderr(
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"\
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[CHECKING] bar v1.0.0
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[CHECKING] foo v0.1.0 [..]
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[FINISHED] [..]
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",
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)
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.run();
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}
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#[cargo_test]
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fn tree() {
|
|
Package::new("bar", "1.0.0")
|
|
.feature("feat", &[])
|
|
.file("src/lib.rs", &require(&["feat"], &[]))
|
|
.publish();
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
|
|
[dependencies]
|
|
bar = { version = "1.0", optional = true }
|
|
|
|
[features]
|
|
f1 = ["bar?/feat"]
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", &require(&["f1"], &[]))
|
|
.build();
|
|
|
|
p.cargo("tree -Z weak-dep-features --features f1")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout("foo v0.1.0 ([ROOT]/foo)")
|
|
.run();
|
|
|
|
p.cargo("tree -Z weak-dep-features --features f1,bar")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 ([ROOT]/foo)
|
|
└── bar v1.0.0
|
|
",
|
|
)
|
|
.run();
|
|
|
|
p.cargo("tree -Z weak-dep-features --features f1,bar -e features")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout(
|
|
"\
|
|
foo v0.1.0 ([ROOT]/foo)
|
|
└── bar feature \"default\"
|
|
└── bar v1.0.0
|
|
",
|
|
)
|
|
.run();
|
|
|
|
p.cargo("tree -Z weak-dep-features --features f1,bar -e features -i bar")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout(
|
|
"\
|
|
bar v1.0.0
|
|
├── bar feature \"default\"
|
|
│ └── foo v0.1.0 ([ROOT]/foo)
|
|
│ ├── foo feature \"bar\" (command-line)
|
|
│ ├── foo feature \"default\" (command-line)
|
|
│ └── foo feature \"f1\" (command-line)
|
|
└── bar feature \"feat\"
|
|
└── foo feature \"f1\" (command-line)
|
|
",
|
|
)
|
|
.run();
|
|
|
|
p.cargo("tree -Z weak-dep-features -e features --features bar?/feat")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout("foo v0.1.0 ([ROOT]/foo)")
|
|
.run();
|
|
|
|
// This is a little strange in that it produces no output.
|
|
// Maybe `cargo tree` should print a note about why?
|
|
p.cargo("tree -Z weak-dep-features -e features -i bar --features bar?/feat")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout("")
|
|
.run();
|
|
|
|
p.cargo("tree -Z weak-dep-features -e features -i bar --features bar?/feat,bar")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stdout(
|
|
"\
|
|
bar v1.0.0
|
|
├── bar feature \"default\"
|
|
│ └── foo v0.1.0 ([ROOT]/foo)
|
|
│ ├── foo feature \"bar\" (command-line)
|
|
│ └── foo feature \"default\" (command-line)
|
|
└── bar feature \"feat\" (command-line)
|
|
",
|
|
)
|
|
.run();
|
|
}
|
|
|
|
#[cargo_test]
|
|
fn publish() {
|
|
// Publish behavior with /? syntax.
|
|
Package::new("bar", "1.0.0").feature("feat", &[]).publish();
|
|
let p = project()
|
|
.file(
|
|
"Cargo.toml",
|
|
r#"
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
description = "foo"
|
|
license = "MIT"
|
|
homepage = "https://example.com/"
|
|
|
|
[dependencies]
|
|
bar = { version = "1.0", optional = true }
|
|
|
|
[features]
|
|
feat1 = []
|
|
feat2 = ["bar?/feat"]
|
|
"#,
|
|
)
|
|
.file("src/lib.rs", "")
|
|
.build();
|
|
|
|
p.cargo("publish --token sekrit -Z weak-dep-features")
|
|
.masquerade_as_nightly_cargo()
|
|
.with_stderr(
|
|
"\
|
|
[UPDATING] [..]
|
|
[PACKAGING] foo v0.1.0 [..]
|
|
[VERIFYING] foo v0.1.0 [..]
|
|
[COMPILING] foo v0.1.0 [..]
|
|
[FINISHED] [..]
|
|
[UPLOADING] foo v0.1.0 [..]
|
|
",
|
|
)
|
|
.run();
|
|
|
|
publish::validate_upload_with_contents(
|
|
r#"
|
|
{
|
|
"authors": [],
|
|
"badges": {},
|
|
"categories": [],
|
|
"deps": [
|
|
{
|
|
"default_features": true,
|
|
"features": [],
|
|
"kind": "normal",
|
|
"name": "bar",
|
|
"optional": true,
|
|
"registry": "https://github.com/rust-lang/crates.io-index",
|
|
"target": null,
|
|
"version_req": "^1.0"
|
|
}
|
|
],
|
|
"description": "foo",
|
|
"documentation": null,
|
|
"features": {
|
|
"feat1": [],
|
|
"feat2": ["bar?/feat"]
|
|
},
|
|
"homepage": "https://example.com/",
|
|
"keywords": [],
|
|
"license": "MIT",
|
|
"license_file": null,
|
|
"links": null,
|
|
"name": "foo",
|
|
"readme": null,
|
|
"readme_file": null,
|
|
"repository": null,
|
|
"vers": "0.1.0"
|
|
}
|
|
"#,
|
|
"foo-0.1.0.crate",
|
|
&["Cargo.toml", "Cargo.toml.orig", "src/lib.rs"],
|
|
&[(
|
|
"Cargo.toml",
|
|
&format!(
|
|
r#"{}
|
|
[package]
|
|
name = "foo"
|
|
version = "0.1.0"
|
|
description = "foo"
|
|
homepage = "https://example.com/"
|
|
license = "MIT"
|
|
[dependencies.bar]
|
|
version = "1.0"
|
|
optional = true
|
|
|
|
[features]
|
|
feat1 = []
|
|
feat2 = ["bar?/feat"]
|
|
"#,
|
|
cargo::core::package::MANIFEST_PREAMBLE
|
|
),
|
|
)],
|
|
);
|
|
}
|