aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/texteditor/codeassist/codeassist_test.cpp
blob: 8b724dbe166cfd767fda5654f0e73cdcaff6d7be (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
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#ifdef WITH_TESTS

#include "codeassist_test.h"

#include "../texteditor.h"

#include "assistinterface.h"
#include "assistproposaliteminterface.h"
#include "asyncprocessor.h"
#include "completionassistprovider.h"
#include "genericproposal.h"
#include "genericproposalwidget.h"

#include <coreplugin/coreconstants.h>
#include <coreplugin/editormanager/editormanager.h>
#include <utils/temporarydirectory.h>

#include <QtTest/QtTest>

namespace TextEditor::Internal {

class TestProposalItem : public AssistProposalItemInterface
{
public:
    QString m_text = "test";
    bool m_implicitlyApplies = false;
    bool m_prematurelyApplies = false;
    QIcon m_icon;
    QString m_detail = "detail";
    bool m_isSnippet = false;
    bool m_isValid = true;

    QString text() const override { return m_text; }
    bool implicitlyApplies() const override { return m_implicitlyApplies; }
    bool prematurelyApplies(const QChar &) const override { return m_prematurelyApplies; }
    QIcon icon() const override { return m_icon; }
    QString detail() const override { return m_detail; }
    bool isSnippet() const override { return m_isSnippet; }
    bool isValid() const override { return m_isValid; }
    quint64 hash() const override { return 0; } // used to remove duplicates
};

class OpenEditorItem : public TestProposalItem
{
public:
    void apply(TextDocumentManipulatorInterface &, int) const override
    {
        m_openedEditor = Core::EditorManager::openEditor(m_filePath,
                                                         Core::Constants::K_DEFAULT_TEXT_EDITOR_ID);
    }

    mutable Core::IEditor *m_openedEditor = nullptr;
    Utils::FilePath m_filePath;
};

class TestProposalWidget : public GenericProposalWidget
{
public:
    void showProposal(const QString &prefix) override
    {
        GenericProposalModelPtr proposalModel = model();
        if (proposalModel && proposalModel->size() == 1) {
            emit proposalItemActivated(proposalModel->proposalItem(0));
            deleteLater();
            return;
        }
        GenericProposalWidget::showProposal(prefix);
    }
};

class TestProposal : public GenericProposal
{
public:
    TestProposal(int pos, const QList<AssistProposalItemInterface *> &items)
        : GenericProposal(pos, items)
    {}
    IAssistProposalWidget *createWidget() const override { return new TestProposalWidget; }
};

class TestProcessor : public AsyncProcessor
{
public:
    TestProcessor(const QList<AssistProposalItemInterface *> &items)
        : m_items(items)
    {}
    IAssistProposal *performAsync() override
    { return new TestProposal(interface()->position(), m_items); }
    QList<AssistProposalItemInterface *> m_items;
};

class TestProvider : public CompletionAssistProvider
{
public:
    IAssistProcessor *createProcessor(const AssistInterface *assistInterface) const override
    {
        Q_UNUSED(assistInterface);
        return new TestProcessor(m_items);
    }
    QList<AssistProposalItemInterface *> m_items;
};

void CodeAssistTests::initTestCase()
{
    Core::IEditor *editor = Core::EditorManager::openEditorWithContents(
        Core::Constants::K_DEFAULT_TEXT_EDITOR_ID);
    QVERIFY(editor);
    m_editor = qobject_cast<BaseTextEditor *>(editor);
    QVERIFY(m_editor);
    m_editorsToClose << m_editor;
    m_testProvider = new TestProvider();
}

static Utils::FilePath createBigFile()
{
    constexpr int textChunkSize = 65536; // from utils/textfileformat.cpp

    const Utils::FilePath result = Utils::TemporaryDirectory::masterDirectoryFilePath() / "BigFile";
    QByteArray data;
    data.reserve(textChunkSize);
    while (data.size() < textChunkSize)
        data.append("bigfile line\n");
    result.writeFileContents(data);
    return result;
}

void CodeAssistTests::testFollowSymbolBigFile()
{
    auto item = new OpenEditorItem;
    item->m_filePath = createBigFile();
    m_testProvider->m_items = {item};
    auto editorWidget = m_editor->editorWidget();

    editorWidget->invokeAssist(FollowSymbol, m_testProvider);
    QSignalSpy spy(editorWidget, &TextEditorWidget::assistFinished);
    QVERIFY(spy.wait(1000));
    QVERIFY(item->m_openedEditor);
    m_editorsToClose << item->m_openedEditor;
}

void CodeAssistTests::cleanupTestCase()
{
    m_testProvider->m_items.clear();
    Core::EditorManager::closeEditors(m_editorsToClose);
    QVERIFY(Core::EditorManager::currentEditor() == nullptr);
}

} // namespace TextEditor::Internal

#endif // ifdef WITH_TESTS