test/dag_test.py

   1 """Tests DAG functionality"""
   2 # pylint: disable=redefined-outer-name
   3 from __future__ import absolute_import, division, print_function, unicode_literals
   4
   5 import pytest
   6
   7 from cola.models import dag
   8
   9 from .helper import app_context
  10 from .helper import patch
  11
  12
  13 assert app_context is not None
  14
  15
  16 LOG_LINES = """
  17 ad454b189fe5785af397fd6067cf103268b6626e^A^A (tag: refs/tags/v0.0)^ADavid Aguilar^AFri Nov 30 00:03:28 2007 -0800^Adavvid@gmail.com^Afirst cut of ugit
  18 1ba04ad185cf9f04c56c8482e9a73ef1bd35c695^Aad454b189fe5785af397fd6067cf103268b6626e^A^ADavid Aguilar^AFri Nov 30 05:07:47 2007 -0800^Adavvid@gmail.com^Aupdated model/view/controller api
  19 fa5ad6c38be603e2ffd1f9b722a3a5c675f63de2^A1ba04ad185cf9f04c56c8482e9a73ef1bd35c695^A^ADavid Aguilar^AFri Nov 30 05:19:05 2007 -0800^Adavvid@gmail.com^AAvoid multiple signoffs
  20 103766573cd4e6799d3ee792bcd632b92cf7c6c0^Afa5ad6c38be603e2ffd1f9b722a3a5c675f63de2^A^ADavid Aguilar^ATue Dec 11 05:13:21 2007 -0800^Adavvid@gmail.com^AAdded TODO
  21 e3f5a2d0248de6197d6e0e63c901810b8a9af2f8^Afa5ad6c38be603e2ffd1f9b722a3a5c675f63de2^A^ADavid Aguilar^AMon Dec 3 02:36:06 2007 -0800^Adavvid@gmail.com^AMerged qlistwidgets into main.
  22 f4fb8fd5baaa55d9b41faca79be289bb4407281e^Ae3f5a2d0248de6197d6e0e63c901810b8a9af2f8^A^ADavid Aguilar^ATue Dec 4 03:14:56 2007 -0800^Adavvid@gmail.com^ASquashed commit of the following:
  23 23e7eab4ba2c94e3155f5d261c693ccac1342eb9^Af4fb8fd5baaa55d9b41faca79be289bb4407281e^A^ADavid Aguilar^AThu Dec 6 18:59:20 2007 -0800^Adavvid@gmail.com^AMerged diffdisplay into main
  24 """.strip().replace(  # noqa
  25     '^A', chr(0x01)
  26 ).split(
  27     '\n'
  28 ) + [
  29     ''
  30 ]  # noqa
  31
  32
  33 class DAGTestData(object):
  34     """Test data provided by the dag_context fixture"""
  35     def __init__(self, app_context, head='HEAD', count=1000):
  36         self.context = app_context
  37         self.params = dag.DAG(head, count)
  38         self.reader = dag.RepoReader(app_context, self.params)
  39
  40
  41 @pytest.fixture
  42 def dag_context(app_context):
  43     """Provide DAGTestData for use by tests"""
  44     return DAGTestData(app_context)
  45
  46
  47 @patch('cola.models.dag.core')
  48 def test_repo_reader(core, dag_context):
  49     expect = len(LOG_LINES) - 1
  50
  51     actual = 0
  52     core.readline.return_value = LOG_LINES[0]
  53     for idx, _ in enumerate(dag_context.reader.get()):
  54         core.readline.return_value = LOG_LINES[idx + 1]
  55         actual += 1
  56
  57     assert expect == actual
  58
  59
  60 @patch('cola.models.dag.core')
  61 def test_repo_reader_order(core, dag_context):
  62     commits = [
  63         'ad454b189fe5785af397fd6067cf103268b6626e',
  64         '1ba04ad185cf9f04c56c8482e9a73ef1bd35c695',
  65         'fa5ad6c38be603e2ffd1f9b722a3a5c675f63de2',
  66         '103766573cd4e6799d3ee792bcd632b92cf7c6c0',
  67         'e3f5a2d0248de6197d6e0e63c901810b8a9af2f8',
  68         'f4fb8fd5baaa55d9b41faca79be289bb4407281e',
  69         '23e7eab4ba2c94e3155f5d261c693ccac1342eb9',
  70     ]
  71     core.readline.return_value = LOG_LINES[0]
  72     for idx, commit in enumerate(dag_context.reader.get()):
  73         assert commits[idx] == commit.oid
  74         core.readline.return_value = LOG_LINES[idx + 1]
  75
  76
  77 @patch('cola.models.dag.core')
  78 def test_repo_reader_parents(core, dag_context):
  79     parents = [
  80         [],
  81         ['ad454b189fe5785af397fd6067cf103268b6626e'],
  82         ['1ba04ad185cf9f04c56c8482e9a73ef1bd35c695'],
  83         ['fa5ad6c38be603e2ffd1f9b722a3a5c675f63de2'],
  84         ['fa5ad6c38be603e2ffd1f9b722a3a5c675f63de2'],
  85         ['e3f5a2d0248de6197d6e0e63c901810b8a9af2f8'],
  86         ['f4fb8fd5baaa55d9b41faca79be289bb4407281e'],
  87     ]
  88     core.readline.return_value = LOG_LINES[0]
  89     for idx, commit in enumerate(dag_context.reader.get()):
  90         assert parents[idx] == [p.oid for p in commit.parents]
  91         core.readline.return_value = LOG_LINES[idx + 1]
  92
  93
  94 @patch('cola.models.dag.core')
  95 def test_repo_reader_contract(core, dag_context):
  96     core.exists.return_value = True
  97     core.readline.return_value = LOG_LINES[0]
  98
  99     for idx, _ in enumerate(dag_context.reader.get()):
 100         core.readline.return_value = LOG_LINES[idx + 1]
 101
 102     core.start_command.assert_called()
 103     call_args = core.start_command.call_args
 104
 105     assert 'log.abbrevCommit=false' in call_args[0][0]
 106     assert 'log.showSignature=false' in call_args[0][0]