test/dag_test.py

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