test(resolver): Additional direct minimal version tests

tests/testsuite/direct_minimal_versions.rs

@@ -5,10 +5,8 @@
 use cargo_test_support::project;
 use cargo_test_support::registry::Package;
 
-// Ensure that the "-Z minimal-versions" CLI option works and the minimal
-// version of a dependency ends up in the lock file.
 #[cargo_test]
-fn minimal_version_cli() {
+fn simple() {
     Package::new("dep", "1.0.0").publish();
     Package::new("dep", "1.1.0").publish();
 
@@ -34,5 +32,217 @@ fn minimal_version_cli() {
 
     let lock = p.read_lockfile();
 
-    assert!(!lock.contains("1.1.0"));
+    assert!(
+        lock.contains("1.0.0"),
+        "dep minimal version must be present"
+    );
+    assert!(
+        !lock.contains("1.1.0"),
+        "dep maximimal version cannot be present"
+    );
+}
+
+#[cargo_test]
+fn mixed_dependencies() {
+    Package::new("dep", "1.0.0").publish();
+    Package::new("dep", "1.1.0").publish();
+    Package::new("dep", "1.2.0").publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                authors = []
+                version = "0.0.1"
+
+                [dependencies]
+                dep = "1.0"
+
+                [dev-dependencies]
+                dep = "1.1"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("generate-lockfile -Zminimal-versions")
+        .masquerade_as_nightly_cargo(&["minimal-versions"])
+        .run();
+
+    let lock = p.read_lockfile();
+
+    assert!(
+        !lock.contains("1.0.0"),
+        "dep incompatible version cannot be present"
+    );
+    assert!(
+        lock.contains("1.1.0"),
+        "dep minimal version must be present"
+    );
+    assert!(
+        !lock.contains("1.2.0"),
+        "dep maximimal version cannot be present"
+    );
+}
+
+#[cargo_test]
+fn yanked() {
+    Package::new("dep", "1.0.0").yanked(true).publish();
+    Package::new("dep", "1.1.0").publish();
+    Package::new("dep", "1.2.0").publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                authors = []
+                version = "0.0.1"
+
+                [dependencies]
+                dep = "1.0"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("generate-lockfile -Zminimal-versions")
+        .masquerade_as_nightly_cargo(&["minimal-versions"])
+        .run();
+
+    let lock = p.read_lockfile();
+
+    assert!(
+        lock.contains("1.1.0"),
+        "dep minimal version must be present"
+    );
+    assert!(
+        !lock.contains("1.0.0"),
+        "yanked minimal version must be skipped"
+    );
+    assert!(
+        !lock.contains("1.2.0"),
+        "dep maximimal version cannot be present"
+    );
+}
+
+#[cargo_test]
+fn indirect() {
+    Package::new("indirect", "2.0.0").publish();
+    Package::new("indirect", "2.1.0").publish();
+    Package::new("indirect", "2.2.0").publish();
+    Package::new("direct", "1.0.0")
+        .dep("indirect", "2.1")
+        .publish();
+    Package::new("direct", "1.1.0")
+        .dep("indirect", "2.1")
+        .publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                authors = []
+                version = "0.0.1"
+
+                [dependencies]
+                direct = "1.0"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("generate-lockfile -Zminimal-versions")
+        .masquerade_as_nightly_cargo(&["minimal-versions"])
+        .run();
+
+    let lock = p.read_lockfile();
+
+    assert!(
+        lock.contains("1.0.0"),
+        "direct minimal version must be present"
+    );
+    assert!(
+        !lock.contains("1.1.0"),
+        "direct maximimal version cannot be present"
+    );
+    assert!(
+        !lock.contains("2.0.0"),
+        "indirect unmatched version cannot be present"
+    );
+    assert!(
+        lock.contains("2.1.0"),
+        "indirect minimal version must be present"
+    );
+    assert!(
+        !lock.contains("2.2.0"),
+        "indirect maximimal version cannot be present"
+    );
+}
+
+#[cargo_test]
+fn indirect_conflict() {
+    Package::new("indirect", "2.0.0").publish();
+    Package::new("indirect", "2.1.0").publish();
+    Package::new("indirect", "2.2.0").publish();
+    Package::new("direct", "1.0.0")
+        .dep("indirect", "2.1")
+        .publish();
+    Package::new("direct", "1.1.0")
+        .dep("indirect", "2.1")
+        .publish();
+
+    let p = project()
+        .file(
+            "Cargo.toml",
+            r#"
+                [package]
+                name = "foo"
+                authors = []
+                version = "0.0.1"
+
+                [dependencies]
+                direct = "1.0"
+                indirect = "2.0"
+            "#,
+        )
+        .file("src/main.rs", "fn main() {}")
+        .build();
+
+    p.cargo("generate-lockfile -Zminimal-versions")
+        .masquerade_as_nightly_cargo(&["minimal-versions"])
+        .with_stderr(
+            "\
+[UPDATING] [..]
+",
+        )
+        .run();
+
+    let lock = p.read_lockfile();
+
+    assert!(
+        lock.contains("1.0.0"),
+        "direct minimal version must be present"
+    );
+    assert!(
+        !lock.contains("1.1.0"),
+        "direct maximimal version cannot be present"
+    );
+    assert!(
+        !lock.contains("2.0.0"),
+        "indirect unmatched version cannot be present"
+    );
+    assert!(
+        lock.contains("2.1.0"),
+        "indirect minimal version must be present"
+    );
+    assert!(
+        !lock.contains("2.2.0"),
+        "indirect maximimal version cannot be present"
+    );
 }