start integration testing command line parsing

zingocli/tests/argument_parsing.rs

@@ -0,0 +1,31 @@
+#[test]
+fn clargs_view_key_birthday_fresh_wallet_dir() {
+    // Remove the 'foo' directory if it exists
+    let cli_parse_test_data = "./cli_parse_test_data";
+    let cpdp = std::path::Path::new(cli_parse_test_data);
+    if cpdp.exists() {
+        std::fs::remove_dir_all(cli_parse_test_data)
+            .expect("Failed to remove existing foo directory");
+    }
+
+    // Run the cargo command
+    let output = std::process::Command::new("cargo")
+        .args(&["run", "--"])
+        .args(&["--view-key", zingolib::testvectors::MAINNET_ALPHA_VIEWKEY]) // shortened for brevity
+        .args(&["--birthday", "2363649"])
+        .args(&["--fresh-wallet-dir", cli_parse_test_data])
+        .args(&["help"])
+        .output()
+        .expect("Failed to execute cargo run command");
+
+    // Check that the command executed successfully
+    assert!(output.status.success());
+
+    // Additional assertions based on the expected behavior of your application
+    // For example, check if the 'foo' directory was created
+    assert!(std::fs::metadata(cpdp).is_ok());
+    if std::fs::metadata(cli_parse_test_data).is_ok() {
+        std::fs::remove_dir_all(cli_parse_test_data)
+            .expect("Failed to remove existing foo directory");
+    }
+}