summaryrefslogtreecommitdiffstats
path: root/doc/src/snippets/code/src_qtestlib_qtestcase.cpp
blob: c143e334d0b1e6243c2c7782d89019295049419f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188

void wrapInFunction()
{

//! [0]
QVERIFY(1 + 1 == 2);
//! [0]


//! [1]
QVERIFY2(1 + 1 == 2, "A breach in basic arithmetic occured.");
//! [1]


//! [2]
QCOMPARE(QString("hello").toUpper(), QString("HELLO"));
//! [2]


//! [3]
void TestQString::toInt_data()
{
    QTest::addColumn<QString>("aString");
    QTest::addColumn<int>("expected");

    QTest::newRow("positive value") << "42" << 42;
    QTest::newRow("negative value") << "-42" << -42;
    QTest::newRow("zero") << "0" << 0;
}
//! [3]


//! [4]
void TestQString::toInt()
{
     QFETCH(QString, aString);
     QFETCH(int, expected);

     QCOMPARE(aString.toInt(), expected);
}
//! [4]


//! [5]
if (sizeof(int) != 4)
    QFAIL("This test has not been ported to this platform yet.");
//! [5]


//! [6]
QFETCH(QString, myString);
QCOMPARE(QString("hello").toUpper(), myString);
//! [6]


//! [7]
QTEST(QString("hello").toUpper(), "myString");
//! [7]


//! [8]
if (!QSqlDatabase::drivers().contains("SQLITE"))
    QSKIP("This test requires the SQLITE database driver", SkipAll);
//! [8]


//! [9]
QEXPECT_FAIL("", "Will fix in the next release", Continue);
QCOMPARE(i, 42);
QCOMPARE(j, 43);
//! [9]


//! [10]
QEXPECT_FAIL("data27", "Oh my, this is soooo broken", Abort);
QCOMPARE(i, 42);
//! [10]


//! [11]
class TestQString: public QObject { ... };
QTEST_MAIN(TestQString)
//! [11]


//! [12]
#ifdef Q_WS_X11
    QTEST_MAIN(MyX11Test)
#else
    // do nothing on non-X11 platforms
    QTEST_NOOP_MAIN
#endif
//! [12]


//! [13]
QTest::keyClick(myWidget, 'a');
//! [13]


//! [14]
QTest::keyClick(myWidget, Qt::Key_Escape);

QTest::keyClick(myWidget, Qt::Key_Escape, Qt::ShiftModifier, 200);
//! [14]


//! [15]
QTest::keyClicks(myWidget, "hello world");
//! [15]


//! [16]
namespace QTest {
    template<>
    char *toString(const MyPoint &point)
    {
        QByteArray ba = "MyPoint(";
        ba += QByteArray::number(point.x()) + ", " + QByteArray::number(point.y());
        ba += ")";
        return qstrdup(ba.data());
    }
}
//! [16]


//! [17]
int i = 0;
while (myNetworkServerNotResponding() && i++ < 50)
    QTest::qWait(250);
//! [17]


//! [18]
MyFirstTestObject test1;
QTest::qExec(&test1);

MySecondTestObject test2;
QTest::qExec(&test2);
//! [18]


//! [19]
QDir dir;

QTest::ignoreMessage(QtWarningMsg, "QDir::mkdir: Empty or null file name(s)");
dir.mkdir("");
//! [19]


//! [20]
void myTestFunction_data()
{
    QTest::addColumn<QString>("aString");
    QTest::newRow("just hello") << QString("hello");
    QTest::newRow("a null string") << QString();
}
//! [20]


//! [21]
void myTestFunction_data() {
    QTest::addColumn<int>("intval");
    QTest::addColumn<QString>("str");
    QTest::addColumn<double>("dbl");

    QTest::newRow("row1") << 1 << "hello" << 1.5;
}
//! [21]


//! [22]
void MyTestClass::cleanup()
{
    if (qstrcmp(currentTestFunction(), "myDatabaseTest") == 0) {
        // clean up all database connections
        closeAllDatabases();
    }
}
//! [22]


//! [23]
QTest::qSleep(250);
//! [23]

}

d a parsed sequence, as # returned by _parse_sequence(). There are two types of binders: # _SimpleBinder handles event types with no modifiers and no detail. # No Python functions are called when no events are binded. # _ComplexBinder handles event types with modifiers and a detail. # A Python function is called each time an event is generated. class _SimpleBinder: def __init__(self, type, widget, widgetinst): self.type = type self.sequence = '<'+_types[type][0]+'>' self.widget = widget self.widgetinst = widgetinst self.bindedfuncs = [] self.handlerid = None def bind(self, triplet, func): if not self.handlerid: def handler(event, l = self.bindedfuncs, mc_type = self.type): event.mc_type = mc_type wascalled = {} for i in range(len(l)-1, -1, -1): func = l[i] if func not in wascalled: wascalled[func] = True r = func(event) if r: return r self.handlerid = self.widget.bind(self.widgetinst, self.sequence, handler) self.bindedfuncs.append(func) def unbind(self, triplet, func): self.bindedfuncs.remove(func) if not self.bindedfuncs: self.widget.unbind(self.widgetinst, self.sequence, self.handlerid) self.handlerid = None def __del__(self): if self.handlerid: self.widget.unbind(self.widgetinst, self.sequence, self.handlerid) # An int in range(1 << len(_modifiers)) represents a combination of modifiers # (if the least significent bit is on, _modifiers[0] is on, and so on). # _state_subsets gives for each combination of modifiers, or *state*, # a list of the states which are a subset of it. This list is ordered by the # number of modifiers is the state - the most specific state comes first. _states = range(1 << len(_modifiers)) _state_names = [''.join(m[0]+'-' for i, m in enumerate(_modifiers) if (1 << i) & s) for s in _states] def expand_substates(states): '''For each item of states return a list containing all combinations of that item with individual bits reset, sorted by the number of set bits. ''' def nbits(n): "number of bits set in n base 2" nb = 0 while n: n, rem = divmod(n, 2) nb += rem return nb statelist = [] for state in states: substates = list(set(state & x for x in states)) substates.sort(key=nbits, reverse=True) statelist.append(substates) return statelist _state_subsets = expand_substates(_states) # _state_codes gives for each state, the portable code to be passed as mc_state _state_codes = [] for s in _states: r = 0 for i in range(len(_modifiers)): if (1 << i) & s: r |= _modifier_masks[i] _state_codes.append(r) class _ComplexBinder: # This class binds many functions, and only unbinds them when it is deleted. # self.handlerids is the list of seqs and ids of binded handler functions. # The binded functions sit in a dictionary of lists of lists, which maps # a detail (or None) and a state into a list of functions. # When a new detail is discovered, handlers for all the possible states # are binded. def __create_handler(self, lists, mc_type, mc_state): def handler(event, lists = lists, mc_type = mc_type, mc_state = mc_state, ishandlerrunning = self.ishandlerrunning, doafterhandler = self.doafterhandler): ishandlerrunning[:] = [True] event.mc_type = mc_type event.mc_state = mc_state wascalled = {} r = None for l in lists: for i in range(len(l)-1, -1, -1): func = l[i] if func not in wascalled: wascalled[func] = True r = l[i](event) if r: break if r: break ishandlerrunning[:] = [] # Call all functions in doafterhandler and remove them from list while doafterhandler: doafterhandler.pop()() if r: return r return handler def __init__(self, type, widget, widgetinst): self.type = type self.typename = _types[type][0] self.widget = widget self.widgetinst = widgetinst self.bindedfuncs = {None: [[] for s in _states]} self.handlerids = [] # we don't want to change the lists of functions while a handler is # running - it will mess up the loop and anyway, we usually want the # change to happen from the next event. So we have a list of functions # for the handler to run after it finishes calling the binded functions. # It calls them only once. # ishandlerrunning is a list. An empty one means no, otherwise - yes. # this is done so that it would be mutable. self.ishandlerrunning = [] self.doafterhandler = [] for s in _states: lists = [self.bindedfuncs[None][i] for i in _state_subsets[s]] handler = self.__create_handler(lists, type, _state_codes[s]) seq = '<'+_state_names[s]+self.typename+'>' self.handlerids.append((seq, self.widget.bind(self.widgetinst, seq, handler))) def bind(self, triplet, func): if triplet[2] not in self.bindedfuncs: self.bindedfuncs[triplet[2]] = [[] for s in _states] for s in _states: lists = [ self.bindedfuncs[detail][i] for detail in (triplet[2], None) for i in _state_subsets[s] ] handler = self.__create_handler(lists, self.type, _state_codes[s]) seq = "<%s%s-%s>"% (_state_names[s], self.typename, triplet[2]) self.handlerids.append((seq, self.widget.bind(self.widgetinst, seq, handler))) doit = lambda: self.bindedfuncs[triplet[2]][triplet[0]].append(func) if not self.ishandlerrunning: doit() else: self.doafterhandler.append(doit) def unbind(self, triplet, func): doit = lambda: self.bindedfuncs[triplet[2]][triplet[0]].remove(func) if not self.ishandlerrunning: doit() else: self.doafterhandler.append(doit) def __del__(self): for seq, id in self.handlerids: self.widget.unbind(self.widgetinst, seq, id) # define the list of event types to be handled by MultiEvent. the order is # compatible with the definition of event type constants. _types = ( ("KeyPress", "Key"), ("KeyRelease",), ("ButtonPress", "Button"), ("ButtonRelease",), ("Activate",), ("Circulate",), ("Colormap",), ("Configure",), ("Deactivate",), ("Destroy",), ("Enter",), ("Expose",), ("FocusIn",), ("FocusOut",), ("Gravity",), ("Leave",), ("Map",), ("Motion",), ("MouseWheel",), ("Property",), ("Reparent",), ("Unmap",), ("Visibility",), ) # which binder should be used for every event type? _binder_classes = (_ComplexBinder,) * 4 + (_SimpleBinder,) * (len(_types)-4) # A dictionary to map a type name into its number _type_names = dict([(name, number) for number in range(len(_types)) for name in _types[number]]) _keysym_re = re.compile(r"^\w+$") _button_re = re.compile(r"^[1-5]$") def _parse_sequence(sequence): """Get a string which should describe an event sequence. If it is successfully parsed as one, return a tuple containing the state (as an int), the event type (as an index of _types), and the detail - None if none, or a string if there is one. If the parsing is unsuccessful, return None. """ if not sequence or sequence[0] != '<' or sequence[-1] != '>': return None words = sequence[1:-1].split('-') modifiers = 0 while words and words[0] in _modifier_names: modifiers |= 1 << _modifier_names[words[0]] del words[0] if words and words[0] in _type_names: type = _type_names[words[0]] del words[0] else: return None if _binder_classes[type] is _SimpleBinder: if modifiers or words: return None else: detail = None else: # _ComplexBinder if type in [_type_names[s] for s in ("KeyPress", "KeyRelease")]: type_re = _keysym_re else: type_re = _button_re if not words: detail = None elif len(words) == 1 and type_re.match(words[0]): detail = words[0] else: return None return modifiers, type, detail def _triplet_to_sequence(triplet): if triplet[2]: return '<'+_state_names[triplet[0]]+_types[triplet[1]][0]+'-'+ \ triplet[2]+'>' else: return '<'+_state_names[triplet[0]]+_types[triplet[1]][0]+'>' _multicall_dict = {} def MultiCallCreator(widget): """Return a MultiCall class which inherits its methods from the given widget class (for example, Tkinter.Text). This is used instead of a templating mechanism. """ if widget in _multicall_dict: return _multicall_dict[widget] class MultiCall (widget): assert issubclass(widget, tkinter.Misc) def __init__(self, *args, **kwargs): widget.__init__(self, *args, **kwargs) # a dictionary which maps a virtual event to a tuple with: # 0. the function binded # 1. a list of triplets - the sequences it is binded to self.__eventinfo = {} self.__binders = [_binder_classes[i](i, widget, self) for i in range(len(_types))] def bind(self, sequence=None, func=None, add=None): #print("bind(%s, %s, %s)" % (sequence, func, add), # file=sys.__stderr__) if type(sequence) is str and len(sequence) > 2 and \ sequence[:2] == "<<" and sequence[-2:] == ">>": if sequence in self.__eventinfo: ei = self.__eventinfo[sequence] if ei[0] is not None: for triplet in ei[1]: self.__binders[triplet[1]].unbind(triplet, ei[0]) ei[0] = func if ei[0] is not None: for triplet in ei[1]: self.__binders[triplet[1]].bind(triplet, func) else: self.__eventinfo[sequence] = [func, []] return widget.bind(self, sequence, func, add) def unbind(self, sequence, funcid=None): if type(sequence) is str and len(sequence) > 2 and \ sequence[:2] == "<<" and sequence[-2:] == ">>" and \ sequence in self.__eventinfo: func, triplets = self.__eventinfo[sequence] if func is not None: for triplet in triplets: self.__binders[triplet[1]].unbind(triplet, func) self.__eventinfo[sequence][0] = None return widget.unbind(self, sequence, funcid) def event_add(self, virtual, *sequences): #print("event_add(%s, %s)" % (repr(virtual), repr(sequences)), # file=sys.__stderr__) if virtual not in self.__eventinfo: self.__eventinfo[virtual] = [None, []] func, triplets = self.__eventinfo[virtual] for seq in sequences: triplet = _parse_sequence(seq) if triplet is None: #print("Tkinter event_add(%s)" % seq, file=sys.__stderr__) widget.event_add(self, virtual, seq) else: if func is not None: self.__binders[triplet[1]].bind(triplet, func) triplets.append(triplet) def event_delete(self, virtual, *sequences): if virtual not in self.__eventinfo: return func, triplets = self.__eventinfo[virtual] for seq in sequences: triplet = _parse_sequence(seq) if triplet is None: #print("Tkinter event_delete: %s" % seq, file=sys.__stderr__) widget.event_delete(self, virtual, seq) else: if func is not None: self.__binders[triplet[1]].unbind(triplet, func) triplets.remove(triplet) def event_info(self, virtual=None): if virtual is None or virtual not in self.__eventinfo: return widget.event_info(self, virtual) else: return tuple(map(_triplet_to_sequence, self.__eventinfo[virtual][1])) + \ widget.event_info(self, virtual) def __del__(self): for virtual in self.__eventinfo: func, triplets = self.__eventinfo[virtual] if func: for triplet in triplets: self.__binders[triplet[1]].unbind(triplet, func) _multicall_dict[widget] = MultiCall return MultiCall if __name__ == "__main__": # Test root = tkinter.Tk() text = MultiCallCreator(tkinter.Text)(root) text.pack() def bindseq(seq, n=[0]): def handler(event): print(seq) text.bind("<<handler%d>>"%n[0], handler) text.event_add("<<handler%d>>"%n[0], seq) n[0] += 1 bindseq("<Key>") bindseq("<Control-Key>") bindseq("<Alt-Key-a>") bindseq("<Control-Key-a>") bindseq("<Alt-Control-Key-a>") bindseq("<Key-b>") bindseq("<Control-Button-1>") bindseq("<Alt-Button-1>") bindseq("<FocusOut>") bindseq("<Enter>") bindseq("<Leave>") root.mainloop()