initial skeleton

crates/aim-cli/tests/cli_commands.rs

@@ -0,0 +1,13 @@
+use assert_cmd::Command;
+use predicates::str::contains;
+
+#[test]
+fn help_lists_expected_commands() {
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+    cmd.arg("--help")
+        .assert()
+        .success()
+        .stdout(contains("remove"))
+        .stdout(contains("list"))
+        .stdout(contains("update"));
+}

crates/aim-cli/tests/cli_smoke.rs

@@ -0,0 +1,7 @@
+use assert_cmd::Command;
+
+#[test]
+fn cli_shows_help() {
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+    cmd.arg("--help").assert().success();
+}

crates/aim-cli/tests/end_to_end_cli.rs

@@ -0,0 +1,54 @@
+use assert_cmd::Command;
+use predicates::str::contains;
+use tempfile::tempdir;
+
+#[test]
+fn list_command_runs_without_registry_entries() {
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+
+    cmd.arg("list")
+        .assert()
+        .success()
+        .stdout(contains("installed"));
+}
+
+#[test]
+fn list_command_reads_registered_apps_from_registry_file() {
+    let dir = tempdir().unwrap();
+    let registry_path = dir.path().join("registry.toml");
+    std::fs::write(
+        &registry_path,
+        "version = 1\n[[apps]]\nstable_id = \"bat\"\ndisplay_name = \"Bat\"\n",
+    )
+    .unwrap();
+
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+
+    cmd.arg("list")
+        .env("AIM_REGISTRY_PATH", &registry_path)
+        .assert()
+        .success()
+        .stdout(contains("Bat (bat)"));
+}
+
+#[test]
+fn remove_command_removes_registered_app_from_registry_file() {
+    let dir = tempdir().unwrap();
+    let registry_path = dir.path().join("registry.toml");
+    std::fs::write(
+        &registry_path,
+        "version = 1\n[[apps]]\nstable_id = \"bat\"\ndisplay_name = \"Bat\"\n",
+    )
+    .unwrap();
+
+    let mut cmd = Command::cargo_bin("aim").unwrap();
+
+    cmd.args(["remove", "bat"])
+        .env("AIM_REGISTRY_PATH", &registry_path)
+        .assert()
+        .success()
+        .stdout(contains("removed: Bat"));
+
+    let contents = std::fs::read_to_string(&registry_path).unwrap();
+    assert!(!contents.contains("stable_id = \"bat\""));
+}

crates/aim-cli/tests/ui_summary.rs

@@ -0,0 +1,7 @@
+use aim_cli::ui::render::render_update_summary;
+
+#[test]
+fn update_summary_mentions_selected_count() {
+    let output = render_update_summary(3, 2, 1);
+    assert!(output.contains("selected: 2"));
+}