LOC_ALPHA_CONTENTS_V2 = """
data1	data1name	${__HERE__}/data1/entry.txt
data2	data2name	${__HERE__}/data2/entry.txt
data3	data3name	${__HERE__}/data3/entry.txt
"""


def test_data_tables_as_dictionary(tdt_manager):
    assert "testalpha" in tdt_manager.data_tables
    assert "testdelta" not in tdt_manager.data_tables


def test_to_dict(tdt_manager):
    as_dict = tdt_manager.to_dict()
    assert "testalpha" in as_dict
    assert "testdelta" not in as_dict
    testalpha_as_dict = as_dict["testalpha"]
    assert "columns" in testalpha_as_dict


def test_index(tdt_manager):
    index = tdt_manager.index()
    assert len(index.root) >= 1
    entry = index.find_entry("testalpha")
    assert entry
    entry = index.find_entry("testomega")
    assert not entry


def test_reload(tdt_manager, tmp_path):
    assert len(tdt_manager["testalpha"].data) == 2
    loc1 = tmp_path / "testalpha.loc"
    loc1.write_text(LOC_ALPHA_CONTENTS_V2)
    tdt_manager.reload_tables()
    assert len(tdt_manager["testalpha"].data) == 3


def test_reload_by_path(tdt_manager, tmp_path):
    assert len(tdt_manager["testalpha"].data) == 2
    loc1 = tmp_path / "testalpha.loc"
    loc1.write_text(LOC_ALPHA_CONTENTS_V2)
    tdt_manager.reload_tables(path=str(loc1))
    assert len(tdt_manager["testalpha"].data) == 3


def test_reload_by_name(tdt_manager, tmp_path):
    assert len(tdt_manager["testalpha"].data) == 2
    loc1 = tmp_path / "testalpha.loc"
    loc1.write_text(LOC_ALPHA_CONTENTS_V2)
    tdt_manager.reload_tables("testalpha")
    assert len(tdt_manager["testalpha"].data) == 3


def test_merging_tables(merged_tdt_manager):
    assert len(merged_tdt_manager["testbeta"].data) == 2


def test_to_json(merged_tdt_manager, tmp_path):
    json_path = tmp_path / "as_json.json"
    assert not json_path.exists()
    merged_tdt_manager.to_json(json_path)
    assert json_path.exists()