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diff --git a/test/haketilo_test/unit/test_popup.py b/test/haketilo_test/unit/test_popup.py
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+++ b/test/haketilo_test/unit/test_popup.py
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+# SPDX-License-Identifier: CC0-1.0
+
+"""
+Haketilo unit tests - repository querying
+"""
+
+# This file is part of Haketilo
+#
+# Copyright (C) 2022 Wojtek Kosior <koszko@koszko.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the CC0 1.0 Universal License as published by
+# the Creative Commons Corporation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# CC0 1.0 Universal License for more details.
+
+import pytest
+import json
+from selenium.webdriver.support.ui import WebDriverWait
+
+from ..extension_crafting import ExtraHTML
+from ..script_loader import load_script
+from .utils import *
+
+unprivileged_page_info = {
+    'url': 'https://example_a.com/something',
+    'allow': False
+}
+
+mapping_page_info = {
+    **unprivileged_page_info,
+    'mapping': 'm1',
+    'payload': {'identifier': 'res1'}
+}
+
+mocked_page_infos = {
+    'privileged': {
+        'url': 'moz-extension://<some-id>/file.html',
+        'privileged': True
+    },
+    'blocked_default': unprivileged_page_info,
+    'allowed_default': {
+        **unprivileged_page_info,
+        'allow': True
+    },
+    'blocked_rule': {
+        **unprivileged_page_info,
+        'mapping': '~allow'
+    },
+    'allowed_rule': {
+        **unprivileged_page_info,
+        'allow': True,
+        'mapping': '~allow'
+    },
+    'mapping': mapping_page_info,
+    'error_deciding_policy': {
+        **mapping_page_info,
+        'error': {'haketilo_error_type': 'deciding_policy'}
+    },
+    'error_missing': {
+        **mapping_page_info,
+        'error': {'haketilo_error_type': 'missing', 'id': 'some-missing-res'}
+    },
+    'error_circular': {
+        **mapping_page_info,
+        'error': {'haketilo_error_type': 'circular', 'id': 'some-circular-res'}
+    },
+    'error_db': {
+        **mapping_page_info,
+        'error': {'haketilo_error_type': 'db'}
+    },
+    'error_other': {
+        **mapping_page_info,
+        'error': {'haketilo_error_type': 'other'}
+    }
+}
+
+tab_mock_js = '''
+;
+const mocked_page_info = (%s)[/#mock_page_info-(.*)$/.exec(document.URL)[1]];
+browser.tabs.sendMessage = async function(tab_id, msg) {
+    const this_tab_id = (await browser.tabs.getCurrent()).id;
+    if (tab_id !== this_tab_id)
+        throw `not current tab id (${tab_id} instead of ${this_tab_id})`;
+
+    if (msg[0] === "page_info") {
+        return mocked_page_info;
+    } else if (msg[0] === "repo_query") {
+        const response = await fetch(msg[1]);
+        if (!response)
+            return {error: "Something happened :o"};
+
+        const result = {ok: response.ok, status: response.status};
+        try {
+            result.json = await response.json();
+        } catch(e) {
+            result.error_json = "" + e;
+        }
+        return result;
+    } else {
+        throw `bad sendMessage message type: '${msg[0]}'`;
+    }
+}
+
+const old_tabs_query = browser.tabs.query;
+browser.tabs.query = async function(query) {
+    const tabs = await old_tabs_query(query);
+    tabs.forEach(t => t.url = mocked_page_info.url);
+    return tabs;
+}
+''' % json.dumps(mocked_page_infos)
+
+popup_ext_data = {
+    'background_script': broker_js,
+    'extra_html': ExtraHTML(
+        'html/popup.html',
+        {
+            'common/browser.js':   tab_mock_js,
+            'common/indexeddb.js': '; set_repo("https://hydril.la/");'
+        },
+        wrap_into_htmldoc=False
+    ),
+    'navigate_to': 'html/popup.html'
+}
+
+@pytest.mark.ext_data(popup_ext_data)
+@pytest.mark.usefixtures('webextension')
+@pytest.mark.parametrize('page_info_key', ['', *mocked_page_infos.keys()])
+def test_popup_display(driver, execute_in_page, page_info_key):
+    """
+    Test popup viewing while on a page. Test parametrized with different
+    possible values of page_info object passed in message from the content
+    script.
+    """
+    initial_url = driver.current_url
+    driver.get('about:blank')
+    driver.get(f'{initial_url}#mock_page_info-{page_info_key}')
+
+    by_id = driver.execute_script(
+        '''
+        const nodes = [...document.querySelectorAll("[id]")];
+        const reductor = (ob, node) => Object.assign(ob, {[node.id]: node});
+        return nodes.reduce(reductor, {});
+        ''')
+
+    if page_info_key == '':
+        error_msg = 'Page info not avaialable. Try reloading the page.'
+        error_msg_shown = lambda d: by_id['loading_info'].text == error_msg
+        WebDriverWait(driver, 10).until(error_msg_shown)
+        return
+
+    WebDriverWait(driver, 10).until(lambda d: by_id['info_form'].is_displayed())
+    assert (page_info_key == 'privileged') == \
+        by_id['privileged_page_info'].is_displayed()
+    assert (page_info_key == 'privileged') ^ \
+        by_id['unprivileged_page_info'].is_displayed()
+    assert by_id['page_url'].text == mocked_page_infos[page_info_key]['url']
+    assert not by_id['repo_query_container'].is_displayed()
+
+    if 'allow' in page_info_key:
+        assert by_id['scripts_blocked'].text.lower() == 'no'
+    elif page_info_key != 'privileged':
+        assert by_id['scripts_blocked'].text.lower() == 'yes'
+
+    payload_text = by_id['injected_payload'].text
+    if page_info_key == 'mapping':
+        assert payload_text == 'res1'
+    elif page_info_key == 'error_missing':
+        assert payload_text == \
+            "None (error: resource with id 'some-missing-res' missing from the database)"
+    elif page_info_key == 'error_circular':
+        assert payload_text == \
+            "None (error: circular dependency of resource with id 'some-circular-res' on itself)"
+    elif page_info_key == 'error_db':
+        assert payload_text == \
+            'None (error: failure reading Haketilo internal database)'
+    elif page_info_key == 'error_other':
+        assert payload_text == \
+            'None (error: unknown failure occured)'
+    elif page_info_key != 'privileged':
+        assert payload_text == 'None'
+
+    mapping_text = by_id['mapping_used'].text
+
+    if page_info_key == 'error_deciding_policy':
+        assert mapping_text == 'None (error occured when determining policy)'
+    elif page_info_key == 'mapping' or page_info_key.startswith('error'):
+        assert mapping_text == 'm1'
+
+    if 'allowed' in page_info_key:
+        assert 'None (scripts allowed by' in mapping_text
+    elif 'blocked' in page_info_key:
+        assert 'None (scripts blocked by' in mapping_text
+
+    if 'rule' in page_info_key:
+        assert 'by a rule)' in mapping_text
+    elif 'default' in page_info_key:
+        assert 'by default policy)' in mapping_text
+
+@pytest.mark.ext_data(popup_ext_data)
+@pytest.mark.usefixtures('webextension')
+def test_popup_repo_query(driver, execute_in_page):
+    """
+    Test opening and closing the repo query view in popup.
+    """
+    initial_url = driver.current_url
+    driver.get('about:blank')
+    driver.get(f'{initial_url}#mock_page_info-blocked_rule')
+
+    search_but = driver.find_element_by_id("search_resources_but")
+    WebDriverWait(driver, 10).until(lambda d: search_but.is_displayed())
+    search_but.click()
+
+    containers = dict([(name, driver.find_element_by_id(f'{name}_container'))
+                       for name in ('page_info', 'repo_query')])
+    assert not containers['page_info'].is_displayed()
+    assert containers['repo_query'].is_displayed()
+    shown = lambda d: 'https://hydril.la/' in containers['repo_query'].text
+    WebDriverWait(driver, 10).until(shown)
+
+    # Click the "Show results" button.
+    selector = '.repo_query_buttons > button:first-child'
+    driver.find_element_by_css_selector(selector).click()
+    shown = lambda d: 'MAPPING_A' in containers['repo_query'].text
+    WebDriverWait(driver, 10).until(shown)
+
+    # Click the "Cancel" button
+    selector = '.repo_query_bottom_buttons > button'
+    driver.find_element_by_css_selector(selector).click()
+    assert containers['page_info'].is_displayed()
+    assert not containers['repo_query'].is_displayed()
+
+@pytest.mark.ext_data(popup_ext_data)
+@pytest.mark.usefixtures('webextension')
+# Under Parabola's Iceweasel 75 the settings page's window opened during this
+# test is impossible to close using driver.close() - it raises an exception with
+# message 'closeTab() not supported in iceweasel'. To avoid such error during
+# test cleanup, we use the mark below to tell our driver fixture to span a
+# separate browser instance for this test.
+@pytest.mark.second_driver()
+def test_popup_settings_opening(driver, execute_in_page):
+    """
+    Test opening the settings page from popup through button click.
+    """
+    driver.find_element_by_id("settings_but").click()
+
+    first_handle = driver.current_window_handle
+    WebDriverWait(driver, 10).until(lambda d: len(d.window_handles) == 2)
+    new_handle = [h for h in driver.window_handles if h != first_handle][0]
+
+    driver.switch_to.window(new_handle)
+    driver.implicitly_wait(10)
+    assert "Extension's options page for testing" in \
+        driver.find_element_by_tag_name("h1").text