def test_postings_file_write_entry_out_of_order():
filename = 'test'
with PostingsFile(filename, 'w+') as pfile:
first_write_location = pfile.pointer
first_entry = PostingsFileEntry(1)
first_entry.own_pointer = first_write_location
pfile.write_entry(first_entry)
assert_eq(
PostingsFileEntry(1).to_string(),
pfile.read_entry(first_write_location))
second_write_location = pfile.pointer
second_entry = PostingsFileEntry(2)
second_entry.own_pointer = second_write_location
pfile.write_entry(second_entry)
assert_eq(
PostingsFileEntry(2).to_string(),
pfile.read_entry(second_write_location))
# Update first entry
first_entry.doc_id = 4
pfile.write_entry(first_entry)
assert_eq(
first_entry.to_string(),
pfile.read_entry(first_write_location))
# Add third entry
third_entry = PostingsFileEntry(3)
pfile.write_entry(third_entry)
# Check that second write location was not overwritten.
assert_eq(
PostingsFileEntry(2).to_string(),
pfile.read_entry(second_write_location))
os.remove(filename)
def test_postings_file_write_entry_out_of_order():
filename = 'test'
with PostingsFile(filename, 'w+') as pfile:
first_write_location = pfile.pointer
first_entry = PostingsFileEntry(1)
first_entry.own_pointer = first_write_location
pfile.write_entry(first_entry)
assert_eq(
PostingsFileEntry(1).to_string(),
pfile.read_entry(first_write_location))
second_write_location = pfile.pointer
second_entry = PostingsFileEntry(2)
second_entry.own_pointer = second_write_location
pfile.write_entry(second_entry)
assert_eq(
PostingsFileEntry(2).to_string(),
pfile.read_entry(second_write_location))
# Update first entry
first_entry.doc_id = 4
pfile.write_entry(first_entry)
assert_eq(first_entry.to_string(),
pfile.read_entry(first_write_location))
# Add third entry
third_entry = PostingsFileEntry(3)
pfile.write_entry(third_entry)
# Check that second write location was not overwritten.
assert_eq(
PostingsFileEntry(2).to_string(),
pfile.read_entry(second_write_location))
os.remove(filename)
def test_postings_file_entry_from_string_with_skip():
pfe = PostingsFileEntry(1, 10, 111, 123)
pfe_clone = PostingsFileEntry.from_string(pfe.to_string())
assert_eq(pfe, pfe_clone)
def test_postings_file_entry_from_string_only_doc_id():
pfe = PostingsFileEntry(1)
pfe_clone = PostingsFileEntry.from_string(pfe.to_string())
assert_eq(pfe, pfe_clone)
def test_postings_file_entry_to_string_with_skip():
pfe = PostingsFileEntry(11, 10, 1000, 12)
assert_eq(
'0000000011 0000000010 0000001000 0000000012\n',
pfe.to_string())
def test_postings_file_entry_to_string_only_doc_id():
pfe = PostingsFileEntry(1)
assert_eq(
'0000000001 0000000000 0000000000 0000000000\n',
pfe.to_string())
def test_postings_file_entry_from_string_with_skip():
pfe = PostingsFileEntry(1, 10, 111, 123)
pfe_clone = PostingsFileEntry.from_string(pfe.to_string())
assert_eq(pfe, pfe_clone)
def test_postings_file_entry_from_string_only_doc_id():
pfe = PostingsFileEntry(1)
pfe_clone = PostingsFileEntry.from_string(pfe.to_string())
assert_eq(pfe, pfe_clone)
def test_postings_file_entry_to_string_with_skip():
pfe = PostingsFileEntry(11, 10, 1000, 12)
assert_eq('0000000011 0000000010 0000001000 0000000012\n', pfe.to_string())
def test_postings_file_entry_to_string_only_doc_id():
pfe = PostingsFileEntry(1)
assert_eq('0000000001 0000000000 0000000000 0000000000\n', pfe.to_string())
