DB-GPT/dbgpt/util/tests/test_pagination_utils.py
2024-08-29 19:39:42 +08:00

85 lines
2.5 KiB
Python

from dbgpt.util.pagination_utils import PaginationResult
def test_build_from_all_normal_case():
items = list(range(100))
result = PaginationResult.build_from_all(items, page=2, page_size=20)
assert len(result.items) == 20
assert result.items == list(range(20, 40))
assert result.total_count == 100
assert result.total_pages == 5
assert result.page == 2
assert result.page_size == 20
def test_build_from_all_empty_list():
items = []
result = PaginationResult.build_from_all(items, page=1, page_size=5)
assert result.items == []
assert result.total_count == 0
assert result.total_pages == 0
assert result.page == 0
assert result.page_size == 5
def test_build_from_all_last_page():
items = list(range(95))
result = PaginationResult.build_from_all(items, page=5, page_size=20)
assert len(result.items) == 15
assert result.items == list(range(80, 95))
assert result.total_count == 95
assert result.total_pages == 5
assert result.page == 5
assert result.page_size == 20
def test_build_from_all_page_out_of_range():
items = list(range(50))
result = PaginationResult.build_from_all(items, page=10, page_size=10)
assert len(result.items) == 10
assert result.items == list(range(40, 50))
assert result.total_count == 50
assert result.total_pages == 5
assert result.page == 5
assert result.page_size == 10
def test_build_from_all_page_zero():
items = list(range(50))
result = PaginationResult.build_from_all(items, page=0, page_size=10)
assert len(result.items) == 10
assert result.items == list(range(0, 10))
assert result.total_count == 50
assert result.total_pages == 5
assert result.page == 1
assert result.page_size == 10
def test_build_from_all_negative_page():
items = list(range(50))
result = PaginationResult.build_from_all(items, page=-1, page_size=10)
assert len(result.items) == 10
assert result.items == list(range(0, 10))
assert result.total_count == 50
assert result.total_pages == 5
assert result.page == 1
assert result.page_size == 10
def test_build_from_all_page_size_larger_than_total():
items = list(range(50))
result = PaginationResult.build_from_all(items, page=1, page_size=100)
assert len(result.items) == 50
assert result.items == list(range(50))
assert result.total_count == 50
assert result.total_pages == 1
assert result.page == 1
assert result.page_size == 100