"Test searchbase, coverage 98%."
# The only thing not covered is inconsequential --
# testing skipping of suite when self.needwrapbutton is false.

import unittest
from test.support import requires
from tkinter import Text, Tk, Toplevel
from tkinter.ttk import Frame
from idlelib import searchengine as se
from idlelib import searchbase as sdb
from idlelib.idle_test.mock_idle import Func
## from idlelib.idle_test.mock_tk import Var

# The ## imports above & following could help make some tests gui-free.
# However, they currently make radiobutton tests fail.
##def setUpModule():
##    # Replace tk objects used to initialize se.SearchEngine.
##    se.BooleanVar = Var
##    se.StringVar = Var
##
##def tearDownModule():
##    se.BooleanVar = BooleanVar
##    se.StringVar = StringVar


class SearchDialogBaseTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()

    @classmethod
    def tearDownClass(cls):
        cls.root.update_idletasks()
        cls.root.destroy()
        del cls.root

    def setUp(self):
        self.engine = se.SearchEngine(self.root)  # None also seems to work
        self.dialog = sdb.SearchDialogBase(root=self.root, engine=self.engine)

    def tearDown(self):
        self.dialog.close()

    def test_open_and_close(self):
        # open calls create_widgets, which needs default_command
        self.dialog.default_command = None

        toplevel = Toplevel(self.root)
        text = Text(toplevel)
        self.dialog.open(text)
        self.assertEqual(self.dialog.top.state(), 'normal')
        self.dialog.close()
        self.assertEqual(self.dialog.top.state(), 'withdrawn')

        self.dialog.open(text, searchphrase="hello")
        self.assertEqual(self.dialog.ent.get(), 'hello')
        toplevel.update_idletasks()
        toplevel.destroy()

    def test_create_widgets(self):
        self.dialog.create_entries = Func()
        self.dialog.create_option_buttons = Func()
        self.dialog.create_other_buttons = Func()
        self.dialog.create_command_buttons = Func()

        self.dialog.default_command = None
        self.dialog.create_widgets()

        self.assertTrue(self.dialog.create_entries.called)
        self.assertTrue(self.dialog.create_option_buttons.called)
        self.assertTrue(self.dialog.create_other_buttons.called)
        self.assertTrue(self.dialog.create_command_buttons.called)

    def test_make_entry(self):
        equal = self.assertEqual
        self.dialog.row = 0
        self.dialog.frame = Frame(self.root)
        entry, label = self.dialog.make_entry("Test:", 'hello')
        equal(label['text'], 'Test:')

        self.assertIn(entry.get(), 'hello')
        egi = entry.grid_info()
        equal(int(egi['row']), 0)
        equal(int(egi['column']), 1)
        equal(int(egi['rowspan']), 1)
        equal(int(egi['columnspan']), 1)
        equal(self.dialog.row, 1)

    def test_create_entries(self):
        self.dialog.frame = Frame(self.root)
        self.dialog.row = 0
        self.engine.setpat('hello')
        self.dialog.create_entries()
        self.assertIn(self.dialog.ent.get(), 'hello')

    def test_make_frame(self):
        self.dialog.row = 0
        self.dialog.frame = Frame(self.root)
        frame, label = self.dialog.make_frame()
        self.assertEqual(label, '')
        self.assertEqual(str(type(frame)), "<class 'tkinter.ttk.Frame'>")
        # self.assertIsInstance(frame, Frame) fails when test is run by
        # test_idle not run from IDLE editor.  See issue 33987 PR.

        frame, label = self.dialog.make_frame('testlabel')
        self.assertEqual(label['text'], 'testlabel')

    def btn_test_setup(self, meth):
        self.dialog.frame = Frame(self.root)
        self.dialog.row = 0
        return meth()

    def test_create_option_buttons(self):
        e = self.engine
        for state in (0, 1):
            for var in (e.revar, e.casevar, e.wordvar, e.wrapvar):
                var.set(state)
            frame, options = self.btn_test_setup(
                    self.dialog.create_option_buttons)
            for spec, button in zip (options, frame.pack_slaves()):
                var, label = spec
                self.assertEqual(button['text'], label)
                self.assertEqual(var.get(), state)

    def test_create_other_buttons(self):
        for state in (False, True):
            var = self.engine.backvar
            var.set(state)
            frame, others = self.btn_test_setup(
                self.dialog.create_other_buttons)
            buttons = frame.pack_slaves()
            for spec, button in zip(others, buttons):
                val, label = spec
                self.assertEqual(button['text'], label)
                if val == state:
                    # hit other button, then this one
                    # indexes depend on button order
                    self.assertEqual(var.get(), state)

    def test_make_button(self):
        self.dialog.frame = Frame(self.root)
        self.dialog.buttonframe = Frame(self.dialog.frame)
        btn = self.dialog.make_button('Test', self.dialog.close)
        self.assertEqual(btn['text'], 'Test')

    def test_create_command_buttons(self):
        self.dialog.frame = Frame(self.root)
        self.dialog.create_command_buttons()
        # Look for close button command in buttonframe
        closebuttoncommand = ''
        for child in self.dialog.buttonframe.winfo_children():
            if child['text'] == 'Close':
                closebuttoncommand = child['command']
        self.assertIn('close', closebuttoncommand)


if __name__ == '__main__':
    unittest.main(verbosity=2, exit=2)