diff --git a/hate_crack/noninteractive.py b/hate_crack/noninteractive.py
index 9790fdb..f473f5c 100644
--- a/hate_crack/noninteractive.py
+++ b/hate_crack/noninteractive.py
@@ -38,3 +38,51 @@ def build_rule_chains(ctx: Any, rule_tokens: list[str] | None) -> list[str]:
             raise ValueError(f"Rule token {token!r} resolved to no rule files")
         chains.append(chain)
     return chains
+
+
+def run_noninteractive(ctx: Any, args: Any) -> int:
+    """Run a non-interactive attack. Returns a process exit code.
+
+    ``ctx`` is the main module (live ``hcat*`` functions, ``rulesDirectory``,
+    ``resolve_path``, ``hcatHashType``/``hcatHashFile`` already set by the
+    preprocessing block in ``main()``). ``args`` is the parsed subparser
+    namespace whose ``command`` selects the attack.
+    """
+    command = args.command
+
+    if command == "quick":
+        wordlist = ctx.resolve_path(args.wordlist)
+        if not wordlist or not os.path.isfile(wordlist):
+            print(f"Error: wordlist not found: {args.wordlist}")
+            return 1
+        try:
+            chains = build_rule_chains(ctx, args.rules)
+        except (FileNotFoundError, ValueError) as exc:
+            print(f"Error: invalid --rules value: {exc}")
+            return 1
+        for chain in chains:
+            ctx.hcatQuickDictionary(
+                ctx.hcatHashType,
+                ctx.hcatHashFile,
+                chain,
+                wordlist,
+                attack_name="Quick Crack",
+            )
+        return 0
+
+    if command == "dict":
+        ctx.hcatDictionary(ctx.hcatHashType, ctx.hcatHashFile)
+        return 0
+
+    if command == "brute":
+        ctx.hcatBruteForce(
+            ctx.hcatHashType, ctx.hcatHashFile, args.min_len, args.max_len
+        )
+        return 0
+
+    if command == "topmask":
+        ctx.hcatTopMask(ctx.hcatHashType, ctx.hcatHashFile, args.target_time * 3600)
+        return 0
+
+    print(f"Error: unknown non-interactive command: {command}")
+    return 2
diff --git a/tests/test_noninteractive.py b/tests/test_noninteractive.py
index 3fd50e8..e06283f 100644
--- a/tests/test_noninteractive.py
+++ b/tests/test_noninteractive.py
@@ -53,3 +53,84 @@ def test_build_rule_chains_empty_token_raises(tmp_path):
     ctx = _ctx_with_rules(tmp_path, "best64.rule")
     with pytest.raises(ValueError):
         ni.build_rule_chains(ctx, ["+"])
+
+
+def _spy_ctx(tmp_path, **overrides):
+    calls = []
+
+    def rec(name):
+        def _fn(*a, **k):
+            calls.append((name, a, k))
+        return _fn
+
+    ctx = SimpleNamespace(
+        calls=calls,
+        hcatHashType="1000",
+        hcatHashFile=str(tmp_path / "hashes.txt"),
+        rulesDirectory=str(tmp_path / "rules"),
+        resolve_path=lambda p: os.path.abspath(os.path.expanduser(p)) if p else None,
+        hcatQuickDictionary=rec("hcatQuickDictionary"),
+        hcatDictionary=rec("hcatDictionary"),
+        hcatBruteForce=rec("hcatBruteForce"),
+        hcatTopMask=rec("hcatTopMask"),
+    )
+    for k, v in overrides.items():
+        setattr(ctx, k, v)
+    return ctx
+
+
+def test_dispatch_quick_calls_quick_dictionary(tmp_path):
+    (tmp_path / "rules").mkdir()
+    (tmp_path / "rules" / "best64.rule").write_text(":\n")
+    wl = tmp_path / "rockyou.txt"
+    wl.write_text("password\n")
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="quick", wordlist=str(wl), rules=["best64.rule"])
+    code = ni.run_noninteractive(ctx, args)
+    assert code == 0
+    assert [c[0] for c in ctx.calls] == ["hcatQuickDictionary"]
+    name, a, k = ctx.calls[0]
+    assert a[0] == "1000"
+    assert a[1] == ctx.hcatHashFile
+    assert a[2] == f"-r {os.path.join(ctx.rulesDirectory, 'best64.rule')}"
+    assert a[3] == os.path.abspath(str(wl))
+
+
+def test_dispatch_quick_missing_wordlist_returns_1(tmp_path):
+    (tmp_path / "rules").mkdir()
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="quick", wordlist=str(tmp_path / "nope.txt"), rules=[])
+    assert ni.run_noninteractive(ctx, args) == 1
+    assert ctx.calls == []
+
+
+def test_dispatch_quick_unknown_rule_returns_1(tmp_path):
+    (tmp_path / "rules").mkdir()
+    wl = tmp_path / "rockyou.txt"
+    wl.write_text("password\n")
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="quick", wordlist=str(wl), rules=["ghost.rule"])
+    assert ni.run_noninteractive(ctx, args) == 1
+    assert ctx.calls == []
+
+
+def test_dispatch_dict_calls_dictionary(tmp_path):
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="dict")
+    assert ni.run_noninteractive(ctx, args) == 0
+    assert ctx.calls[0][0] == "hcatDictionary"
+    assert ctx.calls[0][1] == ("1000", ctx.hcatHashFile)
+
+
+def test_dispatch_brute_calls_bruteforce_with_lengths(tmp_path):
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="brute", min_len=2, max_len=6)
+    assert ni.run_noninteractive(ctx, args) == 0
+    assert ctx.calls[0] == ("hcatBruteForce", ("1000", ctx.hcatHashFile, 2, 6), {})
+
+
+def test_dispatch_topmask_converts_hours_to_seconds(tmp_path):
+    ctx = _spy_ctx(tmp_path)
+    args = SimpleNamespace(command="topmask", target_time=4)
+    assert ni.run_noninteractive(ctx, args) == 0
+    assert ctx.calls[0] == ("hcatTopMask", ("1000", ctx.hcatHashFile, 4 * 3600), {})