From b1fd86c5c762575f3c0e2b3b19d5dfd7d758bc79 Mon Sep 17 00:00:00 2001
From: Steve Howell <showell@zulipchat.com>
Date: Wed, 11 Apr 2018 11:14:39 +0000
Subject: [PATCH] node tests: Add coverage to hashchange.js.

---
 frontend_tests/node_tests/hashchange.js | 256 ++++++++++++++++++++++++
 1 file changed, 256 insertions(+)

diff --git a/frontend_tests/node_tests/hashchange.js b/frontend_tests/node_tests/hashchange.js
index e3c9e68dfa..bd03516a8f 100644
--- a/frontend_tests/node_tests/hashchange.js
+++ b/frontend_tests/node_tests/hashchange.js
@@ -3,6 +3,36 @@ zrequire('hash_util');
 zrequire('hashchange');
 zrequire('stream_data');
 
+set_global('document', 'document-stub');
+set_global('history', {});
+set_global('window', {
+    location: {
+        protocol: 'http:',
+        host: 'example.com',
+    },
+});
+
+set_global('admin', {});
+set_global('drafts', {});
+set_global('favicon', {});
+set_global('floating_recipient_bar', {});
+set_global('info_overlay', {});
+set_global('narrow', {});
+set_global('overlays', {});
+set_global('settings', {});
+set_global('subs', {});
+set_global('ui_util', {});
+
+function blueslip_wrap(f) {
+    return function (e) {
+        return f(e);
+    };
+}
+
+set_global('blueslip', {
+    wrap_function: blueslip_wrap,
+});
+
 (function test_operators_round_trip() {
     var operators;
     var hash;
@@ -79,3 +109,229 @@ zrequire('stream_data');
     hash = hashchange.operators_to_hash(operators);
     assert.equal(hash, '#narrow/pm-with/42-alice');
 }());
+
+function stub_trigger(f) {
+    set_global('$', () => {
+        return {
+            trigger: f,
+        };
+    });
+    $.Event = (name) => {
+        assert.equal(name, 'zuliphashchange.zulip');
+    };
+}
+
+function test_helper() {
+    var events = [];
+    var narrow_terms;
+
+    function stub(module_name, func_name) {
+        global[module_name][func_name] = () => {
+            events.push(module_name + '.' + func_name);
+        };
+    }
+
+    stub('admin', 'setup_page');
+    stub('drafts', 'launch');
+    stub('favicon', 'reset');
+    stub('floating_recipient_bar', 'update');
+    stub('narrow', 'deactivate');
+    stub('overlays', 'close_for_hash_change');
+    stub('settings', 'setup_page');
+    stub('subs', 'launch');
+    stub('ui_util', 'blur_active_element');
+
+    stub_trigger(() => { events.push('trigger event'); });
+
+    ui_util.change_tab_to = (hash) => {
+        events.push('change_tab_to ' + hash);
+    };
+
+    narrow.activate = (terms) => {
+        narrow_terms = terms;
+        events.push('narrow.activate');
+    };
+
+    info_overlay.show = (name) => {
+        events.push('info: ' + name);
+    };
+
+    return {
+        clear_events: () => {
+            events = [];
+        },
+        assert_events: (expected_events) => {
+            assert.deepEqual(expected_events, events);
+        },
+        get_narrow_terms: () => {
+            return narrow_terms;
+        },
+    };
+}
+
+(function test_hash_interactions() {
+    var helper = test_helper();
+
+    window.location.hash = '#';
+
+    helper.clear_events();
+    hashchange.initialize();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'change_tab_to #home',
+        'narrow.deactivate',
+        'floating_recipient_bar.update',
+    ]);
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'change_tab_to #home',
+        'narrow.deactivate',
+        'floating_recipient_bar.update',
+    ]);
+
+    window.location.hash = '#narrow/stream/Denmark';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'change_tab_to #home',
+        'narrow.activate',
+        'floating_recipient_bar.update',
+    ]);
+    var terms = helper.get_narrow_terms();
+    assert.equal(terms[0].operand, 'Denmark');
+
+    window.location.hash = '#narrow';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'change_tab_to #home',
+        'narrow.activate',
+        'floating_recipient_bar.update',
+    ]);
+    terms = helper.get_narrow_terms();
+    assert.equal(terms.length, 0);
+
+    window.location.hash = '#streams/whatever';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'subs.launch',
+    ]);
+
+    window.location.hash = '#keyboard-shortcuts/whatever';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'info: keyboard-shortcuts',
+    ]);
+
+    window.location.hash = '#markdown-help/whatever';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'info: markdown-help',
+    ]);
+
+    window.location.hash = '#search-operators/whatever';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'trigger event',
+        'info: search-operators',
+    ]);
+
+    window.location.hash = '#drafts';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'drafts.launch',
+    ]);
+
+    window.location.hash = '#settings/alert-words';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'overlays.close_for_hash_change',
+        'settings.setup_page',
+        'admin.setup_page',
+    ]);
+
+    window.location.hash = '#organization/user-list-admin';
+
+    helper.clear_events();
+    window.onhashchange();
+    helper.assert_events([
+        'settings.setup_page',
+        'admin.setup_page',
+    ]);
+
+    var called_back;
+
+    helper.clear_events();
+    hashchange.exit_overlay(() => {
+        called_back = true;
+    });
+
+    helper.assert_events([
+        'ui_util.blur_active_element',
+    ]);
+    assert(called_back);
+
+}());
+
+(function test_save_narrow() {
+    var helper = test_helper();
+
+    var operators = [
+        {operator: 'is', operand: 'private'},
+    ];
+
+    hashchange.save_narrow(operators);
+    helper.assert_events([
+        'trigger event',
+        'favicon.reset',
+    ]);
+    assert.equal(window.location.hash, '#narrow/is/private');
+
+    var url_pushed;
+    global.history.pushState = (state, title, url) => {
+        url_pushed = url;
+    };
+
+    operators = [
+        {operator: 'is', operand: 'starred'},
+    ];
+
+    helper.clear_events();
+    hashchange.save_narrow(operators);
+    helper.assert_events([
+        'trigger event',
+        'favicon.reset',
+    ]);
+    assert.equal(url_pushed, 'http://example.com/#narrow/is/starred');
+}());
+