test(generate-lockfile): Add test to show --publish-time

Author: epage

tests/testsuite/generate_lockfile.rs

@@ -3,6 +3,7 @@
 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};
 
@@ -284,3 +285,126 @@ fn generate_lockfile_holds_lock_and_offline() {
 "#]])
         .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")
+        .pubtime("2025-01-01T06:00:00Z")
+        .publish();
+    Package::new("no_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"
+                no_time = "2025.0"
+            "#,
+        )
+        .file("src/lib.rs", "")
+        .build();
+
+    p.cargo("generate-lockfile")
+        .with_stderr_data(str![[r#"
+[UPDATING] `dummy-registry` index
+[LOCKING] 2 packages to latest compatible versions
+
+"#]])
+        .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 = "2025.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac0b8bfb45ec1b58be8fecc5d9a59ed4e13bb9ed9b656220198ec1d31da30e4b"
+
+[[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")
+        .with_stderr_data(str![[r#"
+[UPDATING] `dummy-registry` index
+[LOCKING] 1 package to latest compatible version
+
+"#]])
+        .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",
+]
+
+[[package]]
+name = "has_time"
+version = "2025.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac0b8bfb45ec1b58be8fecc5d9a59ed4e13bb9ed9b656220198ec1d31da30e4b"
+
+"##]],
+    );
+}