tests.DiffTests

Complexity

Total Complexity

8

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

7 Methods

Rating	Name	Duplication	Size	Complexity
A	setUp()	0	2	1
A	test_areEqual_false_for_missing_key()	0	8	1
A	test_areEqual_true_for_same_provenance()	0	5	1
A	test_areEqual_false_for_different_value()	0	5	1
A	test_areEqual_ignores_id()	0	8	1
A	test_assertEqual_throws_for_different_value()	0	6	2
A	fileWithP()	0	4	1

import unittest, os
from mock import Mock, patch, call
from tests.ditest import DependencyInjectionTestBase


class DiffTests(DependencyInjectionTestBase):

    def setUp(self):
        super(DiffTests, self).setUp()

    def test_areEqual_true_for_same_provenance(self):
        from niprov.diff import Diff
        diff = Diff(self.fileWithP({'a':1,'b':2}), 
                    self.fileWithP({'a':1,'b':2}))
        self.assertTrue(diff.areEqual())

    def test_areEqual_false_for_missing_key(self):
        from niprov.diff import Diff
        diff = Diff(self.fileWithP({'a':1,'b':2,'c':3}), 
                    self.fileWithP({'a':1,'b':2}))
        self.assertFalse(diff.areEqual())
        diff = Diff(self.fileWithP({'a':1,'b':2}), 
                    self.fileWithP({'a':1,'b':2,'d':4}))
        self.assertFalse(diff.areEqual())

    def test_areEqual_false_for_different_value(self):
        from niprov.diff import Diff
        diff = Diff(self.fileWithP({'a':1}), 
                    self.fileWithP({'a':2}))
        self.assertFalse(diff.areEqual())

    def test_areEqual_ignores_id(self):
        from niprov.diff import Diff
        diff = Diff(self.fileWithP({'_id':1,'b':3}), 
                    self.fileWithP({'_id':2,'b':3}))
        self.assertTrue(diff.areEqual())
        diff = Diff(self.fileWithP({'_id':1,'b':3}), 
                    self.fileWithP({'b':3}))
        self.assertTrue(diff.areEqual())

    def test_assertEqual_throws_for_different_value(self):
        from niprov.diff import Diff
        diff = Diff(self.fileWithP({'a':1}), 
                    self.fileWithP({'a':2}))
        with self.assertRaises(AssertionError):
            diff.assertEqual()

    def fileWithP(self, provenance):
        mfile = Mock()
        mfile.getProvenance.return_value = provenance
        return mfile