# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

import pytest

from mirage import MountMode, RAMResource, Workspace


@pytest.fixture
def workspace():
    return Workspace({"/": RAMResource()}, mode=MountMode.WRITE)


@pytest.mark.asyncio
async def test_grep_recursive_dir_returns_matches(workspace):
    await workspace.ops.mkdir("/sub")
    await workspace.ops.write("/sub/a.txt",
                              b"hello world\ngoodbye\nhello again")
    await workspace.ops.write("/sub/b.txt", b"nothing here\n")

    io = await workspace.execute("grep -rn hello /sub", session_id="default")
    output = (io.stdout or b"").decode()
    assert io.exit_code == 0
    assert "hello" in output
    lines = output.strip().split("\n")
    assert len(lines) >= 2