diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_csv.py b/tests/test_csv.py
new file mode 100644
index 0000000..dd49314
--- /dev/null
+++ b/tests/test_csv.py
@@ -0,0 +1,72 @@
+import pytest
+from ipars import CsvManager
+
+
+def test_writerow_and_getrows(tmp_path):
+    cm = CsvManager()
+    filepath = str(tmp_path / 'data.csv')
+    row = ['Alice', '30', 'Engineer']
+
+    cm.writerow(filepath, 'w', row)
+    result = cm.getRows(filepath)
+
+    assert result == [row]
+
+
+def test_writerows_and_getrows(tmp_path):
+    cm = CsvManager()
+    filepath = str(tmp_path / 'data.csv')
+    rows = [['Alice', '30'], ['Bob', '25'], ['Carol', '28']]
+
+    cm.writerows(filepath, 'w', rows)
+    result = cm.getRows(filepath)
+
+    assert result == rows
+
+
+def test_append_mode(tmp_path):
+    cm = CsvManager()
+    filepath = str(tmp_path / 'data.csv')
+
+    cm.writerow(filepath, 'w', ['first'])
+    cm.writerow(filepath, 'a', ['second'])
+    result = cm.getRows(filepath)
+
+    assert result == [['first'], ['second']]
+
+
+def test_custom_delimiter(tmp_path):
+    cm = CsvManager(delimiter=',')
+    filepath = str(tmp_path / 'data.csv')
+    row = ['one', 'two', 'three']
+
+    cm.writerow(filepath, 'w', row)
+    result = cm.getRows(filepath)
+
+    assert result == [row]
+
+
+def test_invalid_mode_raises(tmp_path):
+    cm = CsvManager()
+    filepath = str(tmp_path / 'data.csv')
+    with pytest.raises(ValueError):
+        cm.writerow(filepath, 'x', ['data'])
+
+
+def test_invalid_row_type_raises(tmp_path):
+    cm = CsvManager()
+    filepath = str(tmp_path / 'data.csv')
+    with pytest.raises(ValueError):
+        cm.writerow(filepath, 'w', 'not a list')
+
+
+def test_invalid_constructor_args():
+    with pytest.raises(ValueError):
+        CsvManager(delimiter=123)
+
+
+def test_pprint_does_not_raise(capsys):
+    cm = CsvManager()
+    cm.pprint([['a', 'b'], ['c', 'd']])
+    captured = capsys.readouterr()
+    assert 'a' in captured.out
diff --git a/tests/test_json.py b/tests/test_json.py
new file mode 100644
index 0000000..ef51a6e
--- /dev/null
+++ b/tests/test_json.py
@@ -0,0 +1,65 @@
+import pytest
+from ipars import JsonManager
+
+
+def test_dump_and_load(tmp_path):
+    jm = JsonManager()
+    filepath = str(tmp_path / 'data.json')
+    data = {'name': 'ipars', 'version': 3, 'active': True}
+
+    jm.dump(filepath, data)
+    result = jm.load(filepath)
+
+    assert result == data
+
+
+def test_dump_and_load_list(tmp_path):
+    jm = JsonManager()
+    filepath = str(tmp_path / 'list.json')
+    data = [1, 2, 3, 'hello']
+
+    jm.dump(filepath, data)
+    result = jm.load(filepath)
+
+    assert result == data
+
+
+def test_dump_and_load_with_cyrillic(tmp_path):
+    jm = JsonManager()
+    filepath = str(tmp_path / 'cyrillic.json')
+    data = {'текст': 'привет'}
+
+    jm.dump(filepath, data)
+    result = jm.load(filepath)
+
+    assert result == data
+
+
+def test_load_nonexistent_file():
+    jm = JsonManager()
+    with pytest.raises(FileNotFoundError):
+        jm.load('nonexistent_file_xyz.json')
+
+
+def test_invalid_encoding_raises():
+    with pytest.raises(ValueError):
+        JsonManager(encoding=123)
+
+
+def test_load_invalid_path_type():
+    jm = JsonManager()
+    with pytest.raises(ValueError):
+        jm.load(123)
+
+
+def test_dump_invalid_path_type(tmp_path):
+    jm = JsonManager()
+    with pytest.raises(ValueError):
+        jm.dump(123, {'key': 'value'})
+
+
+def test_pprint_does_not_raise(capsys):
+    jm = JsonManager()
+    jm.pprint({'key': 'value'})
+    captured = capsys.readouterr()
+    assert 'key' in captured.out
diff --git a/tests/test_pars.py b/tests/test_pars.py
new file mode 100644
index 0000000..4555d05
--- /dev/null
+++ b/tests/test_pars.py
@@ -0,0 +1,189 @@
+import pytest
+from unittest.mock import patch, MagicMock
+from bs4 import BeautifulSoup
+from ipars import Pars
+
+
+# --- exists ---
+
+def test_exists_true(tmp_path):
+    p = Pars()
+    assert p.exists(str(tmp_path)) is True
+
+
+def test_exists_false():
+    p = Pars()
+    assert p.exists('this_path_does_not_exist_xyz') is False
+
+
+def test_exists_invalid_type():
+    p = Pars()
+    with pytest.raises(ValueError):
+        p.exists(123)
+
+
+# --- listdir ---
+
+def test_listdir_returns_list(tmp_path):
+    p = Pars()
+    (tmp_path / 'a.txt').write_text('a')
+    (tmp_path / 'b.txt').write_text('b')
+    result = p.listdir(str(tmp_path))
+    assert isinstance(result, list)
+    assert 'a.txt' in result
+    assert 'b.txt' in result
+
+
+def test_listdir_invalid_type():
+    p = Pars()
+    with pytest.raises(ValueError):
+        p.listdir(42)
+
+
+# --- mkdir ---
+
+def test_mkdir_creates_directory(tmp_path):
+    p = Pars()
+    new_dir = str(tmp_path / 'new_folder')
+    p.mkdir(new_dir)
+    assert (tmp_path / 'new_folder').exists()
+
+
+def test_mkdir_does_not_raise_if_exists(tmp_path):
+    p = Pars()
+    existing = str(tmp_path)
+    p.mkdir(existing)  # не должен бросать ошибку
+
+
+def test_mkdir_invalid_type():
+    p = Pars()
+    with pytest.raises(ValueError):
+        p.mkdir(99)
+
+
+# --- returnBs4Object ---
+
+def test_returnBs4Object(tmp_path):
+    p = Pars()
+    html_file = tmp_path / 'page.html'
+    html_file.write_text('<html><body><h1>Hello</h1></body></html>', encoding='utf-8')
+
+    soup = p.returnBs4Object(str(html_file))
+
+    assert soup.find('h1').text == 'Hello'
+
+
+def test_returnBs4Object_returns_beautifulsoup(tmp_path):
+    p = Pars()
+    html_file = tmp_path / 'page.html'
+    html_file.write_text('<p>Test</p>', encoding='utf-8')
+
+    result = p.returnBs4Object(str(html_file))
+
+    assert isinstance(result, BeautifulSoup)
+
+
+# --- getTexts ---
+
+def _make_soup_elements(html: str) -> list:
+    soup = BeautifulSoup(html, 'lxml')
+    return soup.find_all('div')
+
+
+def test_getTexts_basic():
+    p = Pars()
+    elements = _make_soup_elements('<div>Hello</div><div>World</div>')
+    result = p.getTexts(elements)
+    assert result == ['Hello', 'World']
+
+
+def test_getTexts_needfix_strips_whitespace():
+    p = Pars()
+    elements = _make_soup_elements('<div>  Hello \n </div><div>\t World\t</div>')
+    result = p.getTexts(elements, needFix=True)
+    assert result == ['Hello', 'World']
+
+
+def test_getTexts_returns_none_when_empty():
+    p = Pars()
+    elements = _make_soup_elements('<div></div>')
+    result = p.getTexts(elements)
+    assert result is None
+
+
+def test_getTexts_invalid_type():
+    p = Pars()
+    with pytest.raises(ValueError):
+        p.getTexts('not a list')
+
+
+# --- getAttributes ---
+
+def test_getAttributes_basic():
+    p = Pars()
+    soup = BeautifulSoup('<a href="http://a.com">1</a><a href="http://b.com">2</a>', 'lxml')
+    elements = soup.find_all('a')
+    result = p.getAttributes(elements, 'href')
+    assert result == ['http://a.com', 'http://b.com']
+
+
+def test_getAttributes_missing_attr():
+    p = Pars()
+    soup = BeautifulSoup('<div>no href</div>', 'lxml')
+    elements = soup.find_all('div')
+    result = p.getAttributes(elements, 'href')
+    assert result is None
+
+
+def test_getAttributes_invalid_type():
+    p = Pars()
+    with pytest.raises(ValueError):
+        p.getAttributes('not a list', 'href')
+
+
+# --- pprint ---
+
+def test_pprint_does_not_raise(capsys):
+    p = Pars()
+    p.pprint({'key': 'value', 'list': [1, 2, 3]})
+    captured = capsys.readouterr()
+    assert 'key' in captured.out
+
+
+# --- getStaticPage (с моком запроса) ---
+
+def test_getStaticPage_saves_file(tmp_path):
+    p = Pars()
+    filepath = str(tmp_path / 'page.html')
+
+    mock_response = MagicMock()
+    mock_response.status_code = 200
+    mock_response.text = '<html><body>Mocked</body></html>'
+
+    with patch('requests.get', return_value=mock_response):
+        status = p.getStaticPage(filepath, 'http://example.com')
+
+    assert status == 200
+    assert (tmp_path / 'page.html').read_text(encoding='utf-8') == mock_response.text
+
+
+def test_getStaticPage_binary_mode(tmp_path):
+    p = Pars()
+    filepath = str(tmp_path / 'image.png')
+
+    mock_response = MagicMock()
+    mock_response.status_code = 200
+    mock_response.content = b'\x89PNG\r\n'
+
+    with patch('requests.get', return_value=mock_response):
+        status = p.getStaticPage(filepath, 'http://example.com/img.png', writeMethod='wb')
+
+    assert status == 200
+    assert (tmp_path / 'image.png').read_bytes() == mock_response.content
+
+
+def test_getStaticPage_invalid_write_method(tmp_path):
+    p = Pars()
+    filepath = str(tmp_path / 'page.html')
+    with pytest.raises(ValueError):
+        p.getStaticPage(filepath, 'http://example.com', writeMethod='r')
diff --git a/tests/test_progress.py b/tests/test_progress.py
new file mode 100644
index 0000000..3595a74
--- /dev/null
+++ b/tests/test_progress.py
@@ -0,0 +1,29 @@
+from ipars import ProgressBarManager
+
+
+def test_full_cycle_does_not_raise():
+    bar = ProgressBarManager(max=3)
+    bar.next()
+    bar.next()
+    bar.next()
+    bar.finish()
+
+
+def test_single_iteration():
+    bar = ProgressBarManager(max=1)
+    bar.next()
+    bar.finish()
+
+
+def test_custom_message():
+    bar = ProgressBarManager(max=2, message='Загрузка')
+    bar.next()
+    bar.next()
+    bar.finish()
+
+
+def test_custom_fill_and_width():
+    bar = ProgressBarManager(max=2, fill='=', width=20)
+    bar.next()
+    bar.next()
+    bar.finish()
diff --git a/tests/test_timer.py b/tests/test_timer.py
new file mode 100644
index 0000000..ce5a602
--- /dev/null
+++ b/tests/test_timer.py
@@ -0,0 +1,69 @@
+import time
+import pytest
+from ipars import TimerManager
+
+
+def test_getWorkTime_seconds():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('seconds')
+    assert 0.05 < result < 0.5
+
+
+def test_getWorkTime_minutes():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('minutes')
+    assert result < 0.01
+
+
+def test_getWorkTime_hours():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('hours')
+    assert result < 0.001
+
+
+def test_getWorkTime_ndigits():
+    timer = TimerManager()
+    timer.start()
+    time.sleep(0.1)
+    timer.end()
+    result = timer.getWorkTime('seconds', ndigits=2)
+    assert isinstance(result, float)
+    assert len(str(result).split('.')[-1]) <= 2
+
+
+def test_getWorkTime_returns_float():
+    timer = TimerManager()
+    timer.start()
+    timer.end()
+    result = timer.getWorkTime()
+    assert isinstance(result, float)
+
+
+def test_raises_without_start():
+    timer = TimerManager()
+    with pytest.raises(ValueError, match='"start"'):
+        timer.getWorkTime()
+
+
+def test_raises_without_end():
+    timer = TimerManager()
+    timer.start()
+    with pytest.raises(ValueError, match='"end"'):
+        timer.getWorkTime()
+
+
+def test_raises_invalid_format():
+    timer = TimerManager()
+    timer.start()
+    timer.end()
+    with pytest.raises(ValueError, match='milliseconds'):
+        timer.getWorkTime('milliseconds')
diff --git a/tests/test_zip.py b/tests/test_zip.py
new file mode 100644
index 0000000..3433a63
--- /dev/null
+++ b/tests/test_zip.py
@@ -0,0 +1,87 @@
+import zipfile
+import pytest
+from ipars import ZipManager
+
+
+def test_zipfile_creates_archive(tmp_path):
+    zm = ZipManager()
+    source = tmp_path / 'hello.txt'
+    source.write_text('hello world')
+    zip_path = str(tmp_path / 'output.zip')
+
+    zm.zipFile(str(source), zip_path)
+
+    assert (tmp_path / 'output.zip').exists()
+    with zipfile.ZipFile(zip_path, 'r') as zf:
+        assert 'hello.txt' in zf.namelist()
+
+
+def test_zipfile_content_is_correct(tmp_path):
+    zm = ZipManager()
+    source = tmp_path / 'data.txt'
+    source.write_text('test content')
+    zip_path = str(tmp_path / 'output.zip')
+
+    zm.zipFile(str(source), zip_path)
+
+    with zipfile.ZipFile(zip_path, 'r') as zf:
+        content = zf.read('data.txt').decode('utf-8')
+    assert content == 'test content'
+
+
+def test_zipfolder_creates_archive(tmp_path):
+    zm = ZipManager()
+    folder = tmp_path / 'myfolder'
+    folder.mkdir()
+    (folder / 'a.txt').write_text('aaa')
+    (folder / 'b.txt').write_text('bbb')
+    zip_path = str(tmp_path / 'folder.zip')
+
+    zm.zipFolder(str(folder), zip_path)
+
+    assert (tmp_path / 'folder.zip').exists()
+    with zipfile.ZipFile(zip_path, 'r') as zf:
+        names = zf.namelist()
+    assert any('a.txt' in n for n in names)
+    assert any('b.txt' in n for n in names)
+
+
+def test_zipfolder_nested(tmp_path):
+    zm = ZipManager()
+    folder = tmp_path / 'root'
+    folder.mkdir()
+    sub = folder / 'sub'
+    sub.mkdir()
+    (sub / 'deep.txt').write_text('deep')
+    zip_path = str(tmp_path / 'nested.zip')
+
+    zm.zipFolder(str(folder), zip_path)
+
+    with zipfile.ZipFile(zip_path, 'r') as zf:
+        names = zf.namelist()
+    assert any('deep.txt' in n for n in names)
+
+
+def test_set_compression_none():
+    zm = ZipManager('none')
+    assert zm.compression == zipfile.ZIP_STORED
+
+
+def test_set_compression_normal():
+    zm = ZipManager('normal')
+    assert zm.compression == zipfile.ZIP_DEFLATED
+
+
+def test_set_compression_hard():
+    zm = ZipManager('hard')
+    assert zm.compression == zipfile.ZIP_BZIP2
+
+
+def test_set_compression_maximum():
+    zm = ZipManager('maximum')
+    assert zm.compression == zipfile.ZIP_LZMA
+
+
+def test_invalid_compression_raises():
+    with pytest.raises(ValueError):
+        ZipManager('ultra')