1 files changed, 104 insertions, 0 deletions
diff --git a/src/tools/cargo/tests/testsuite/logout.rs b/src/tools/cargo/tests/testsuite/logout.rs
new file mode 100644
index 000000000..7b5e10de2
--- /dev/null
+++ b/src/tools/cargo/tests/testsuite/logout.rs
@@ -0,0 +1,104 @@
+//! Tests for the `cargo logout` command.
+
+use super::login::check_token;
+use cargo_test_support::paths::{self, CargoPathExt};
+use cargo_test_support::registry::TestRegistry;
+use cargo_test_support::{cargo_process, registry};
+
+fn simple_logout_test(registry: &TestRegistry, reg: Option<&str>, flag: &str, note: &str) {
+    let msg = reg.unwrap_or("crates-io");
+    check_token(Some(registry.token()), reg);
+    let mut cargo = cargo_process(&format!("logout {}", flag));
+    if reg.is_none() {
+        cargo.replace_crates_io(registry.index_url());
+    }
+    cargo
+        .with_stderr(&format!(
+            "\
+[LOGOUT] token for `{msg}` has been removed from local storage
+[NOTE] This does not revoke the token on the registry server.\n    \
+If you need to revoke the token, visit {note} and follow the instructions there.
+"
+        ))
+        .run();
+    check_token(None, reg);
+
+    let mut cargo = cargo_process(&format!("logout {}", flag));
+    if reg.is_none() {
+        cargo.replace_crates_io(registry.index_url());
+    }
+    cargo
+        .with_stderr(&format!("[LOGOUT] not currently logged in to `{msg}`"))
+        .run();
+    check_token(None, reg);
+}
+
+#[cargo_test]
+fn default_registry_unconfigured() {
+    let registry = registry::init();
+    simple_logout_test(&registry, None, "", "<https://crates.io/me>");
+}
+
+#[cargo_test]
+fn other_registry() {
+    let registry = registry::alt_init();
+    simple_logout_test(
+        &registry,
+        Some("alternative"),
+        "--registry alternative",
+        "the `alternative` website",
+    );
+    // It should not touch crates.io.
+    check_token(Some("sekrit"), None);
+}
+
+#[cargo_test]
+fn default_registry_configured() {
+    // When registry.default is set, logout should use that one when
+    // --registry is not used.
+    let cargo_home = paths::home().join(".cargo");
+    cargo_home.mkdir_p();
+    cargo_util::paths::write(
+        &cargo_home.join("config.toml"),
+        r#"
+            [registry]
+            default = "dummy-registry"
+
+            [registries.dummy-registry]
+            index = "https://127.0.0.1/index"
+        "#,
+    )
+    .unwrap();
+    cargo_util::paths::write(
+        &cargo_home.join("credentials.toml"),
+        r#"
+        [registry]
+        token = "crates-io-token"
+
+        [registries.dummy-registry]
+        token = "dummy-token"
+        "#,
+    )
+    .unwrap();
+    check_token(Some("dummy-token"), Some("dummy-registry"));
+    check_token(Some("crates-io-token"), None);
+
+    cargo_process("logout -Zunstable-options")
+        .masquerade_as_nightly_cargo(&["cargo-logout"])
+        .with_stderr(
+            "\
+[LOGOUT] token for `dummy-registry` has been removed from local storage
+[NOTE] This does not revoke the token on the registry server.
+    If you need to revoke the token, visit the `dummy-registry` website \
+    and follow the instructions there.
+",
+        )
+        .run();
+    check_token(None, Some("dummy-registry"));
+    check_token(Some("crates-io-token"), None);
+
+    cargo_process("logout -Zunstable-options")
+        .masquerade_as_nightly_cargo(&["cargo-logout"])
+        .with_stderr("[LOGOUT] not currently logged in to `dummy-registry`")
+        .run();
+}