use assert_cmd::Command;
fn sdkt() -> Command {
Command::cargo_bin("sdkt").unwrap()
}
#[test]
fn diff_help_documents_offline_comparison() {
sdkt()
.args(["diff", "--help"])
.assert()
.success()
.stdout(predicates::str::contains("Offline diff"))
.stdout(predicates::str::contains("OLD"))
.stdout(predicates::str::contains("NEW"));
}
#[test]
fn diff_missing_old_file_errors() {
sdkt()
.args([
"diff",
"--old-wasm",
"/no/such/old.wasm",
"--new-wasm",
"/no/such/new.wasm",
])
.assert()
.failure()
.stderr(predicates::str::contains("Failed to read OLD WASM"));
}
#[test]
fn diff_accepts_json_format_flag() {
sdkt()
.args([
"diff",
"--old-wasm",
"/no/such/old.wasm",
"--new-wasm",
"/no/such/new.wasm",
"--format",
"json",
])
.assert()
.failure();
}