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zulip/frontend_tests/node_tests/narrow_local.js

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JavaScript
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zrequire('Filter', 'js/filter');
zrequire('MessageListData', 'js/message_list_data');
zrequire('narrow_state');
zrequire('narrow');
zrequire('stream_data');
zrequire('util');
set_global('message_list', {});
set_global('muting', {
is_topic_muted: () => false,
});
function test_with(fixture) {
const filter = new Filter(fixture.filter_terms);
narrow_state.set_current_filter(filter);
// Make sure our simulated tests data satisfies the
// invarariant that the first unread message we find
// does indeed satisfy our filter.
if (fixture.unread_info.flavor === 'found') {
_.each(fixture.all_messages, (msg) => {
if (msg.id === fixture.unread_info.msg_id) {
assert(filter.predicate()(msg));
}
});
}
const muting_enabled = narrow_state.muting_enabled();
const msg_data = new MessageListData({
filter: narrow_state.filter(),
muting_enabled: muting_enabled,
});
const id_info = {
target_id: fixture.target_id,
local_select_id: undefined,
final_select_id: undefined,
};
message_list.all = {
fetch_status: {
has_found_newest: () => fixture.has_found_newest,
},
empty: () => fixture.empty,
all_messages: () => {
assert(fixture.all_messages !== undefined);
return fixture.all_messages;
},
first: () => {
assert(fixture.all_messages !== undefined);
return fixture.all_messages[0];
},
last: () => {
assert(fixture.all_messages !== undefined);
return fixture.all_messages[fixture.all_messages.length - 1];
},
};
narrow_state.get_first_unread_info = () => fixture.unread_info;
narrow.maybe_add_local_messages({
id_info: id_info,
msg_data: msg_data,
});
assert.deepEqual(id_info, fixture.expected_id_info);
const msgs = msg_data.all_messages();
const msg_ids = _.pluck(msgs, 'id');
assert.deepEqual(msg_ids, fixture.expected_msg_ids);
}
run_test('near after unreads', () => {
const fixture = {
filter_terms: [
{operator: 'near', operand: 42},
],
target_id: 42,
unread_info: {
flavor: 'found',
msg_id: 37,
},
has_found_newest: false,
all_messages: [
{id: 37, topic: 'whatever'},
{id: 42, topic: 'whatever'},
{id: 44, topic: 'whatever'},
],
expected_id_info: {
target_id: 42,
final_select_id: 37,
local_select_id: 37,
},
expected_msg_ids: [37, 42, 44],
};
test_with(fixture);
});
run_test('near not in message list', () => {
const fixture = {
filter_terms: [
{operator: 'near', operand: 42},
],
target_id: 42,
unread_info: {
flavor: 'found',
msg_id: 46,
},
has_found_newest: false,
all_messages: [
{id: 45, topic: 'whatever'},
{id: 46, topic: 'whatever'},
],
expected_id_info: {
target_id: 42,
final_select_id: 42,
local_select_id: undefined,
},
expected_msg_ids: [45, 46],
};
test_with(fixture);
});
run_test('near before unreads', () => {
const fixture = {
filter_terms: [
{operator: 'near', operand: 42},
],
target_id: 42,
unread_info: {
flavor: 'found',
msg_id: 43,
},
has_found_newest: false,
all_messages: [
{id: 42, topic: 'whatever'},
{id: 43, topic: 'whatever'},
{id: 44, topic: 'whatever'},
],
expected_id_info: {
target_id: 42,
final_select_id: 42,
local_select_id: 42,
},
expected_msg_ids: [42, 43, 44],
};
test_with(fixture);
});
run_test('near with no unreads', () => {
const fixture = {
filter_terms: [
{operator: 'near', operand: 42},
],
target_id: 42,
unread_info: {
flavor: 'not_found',
},
has_found_newest: false,
empty: true,
expected_id_info: {
target_id: 42,
final_select_id: 42,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('is private with no target', () => {
const fixture = {
filter_terms: [
{operator: 'is', operand: 'private'},
],
unread_info: {
flavor: 'found',
msg_id: 550,
},
has_found_newest: true,
all_messages: [
{id: 450, type: 'private'},
{id: 500, type: 'private'},
{id: 550, type: 'private'},
],
expected_id_info: {
target_id: undefined,
final_select_id: 550,
local_select_id: 550,
},
expected_msg_ids: [450, 500, 550],
};
test_with(fixture);
});
run_test('pm-with with target outside of range', () => {
const fixture = {
filter_terms: [
{operator: 'pm-with', operand: 'alice@example.com'},
],
target_id: 5,
unread_info: {
flavor: 'not_found',
},
has_found_newest: false,
all_messages: [
{id: 999},
],
expected_id_info: {
target_id: 5,
final_select_id: 5,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('is:private with no unreads before fetch', () => {
const fixture = {
filter_terms: [
{operator: 'is', operand: 'private'},
],
unread_info: {
flavor: 'not_found',
},
has_found_newest: false,
empty: true,
expected_id_info: {
target_id: undefined,
final_select_id: undefined,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('is:private with target and no unreads', () => {
const fixture = {
filter_terms: [
{operator: 'is', operand: 'private'},
],
target_id: 450,
unread_info: {
flavor: 'not_found',
},
has_found_newest: true,
empty: false,
all_messages: [
{id: 350},
{id: 400, type: 'private'},
{id: 450, type: 'private'},
{id: 500, type: 'private'},
],
expected_id_info: {
target_id: 450,
final_select_id: 450,
local_select_id: 450,
},
expected_msg_ids: [400, 450, 500],
};
test_with(fixture);
});
run_test('is:mentioned with no unreads and no matches', () => {
const fixture = {
filter_terms: [
{operator: 'is', operand: 'mentioned'},
],
unread_info: {
flavor: 'not_found',
},
has_found_newest: true,
all_messages: [],
expected_id_info: {
target_id: undefined,
final_select_id: undefined,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('is:alerted with no unreads and one match', () => {
const fixture = {
filter_terms: [
{operator: 'is', operand: 'alerted'},
],
unread_info: {
flavor: 'not_found',
},
has_found_newest: true,
all_messages: [
{id: 55, topic: 'whatever', alerted: true},
{id: 57, topic: 'whatever', alerted: false},
],
expected_id_info: {
target_id: undefined,
final_select_id: 55,
local_select_id: 55,
},
expected_msg_ids: [55],
};
test_with(fixture);
});
run_test('search', () => {
const fixture = {
filter_terms: [
{operator: 'search', operand: 'whatever'},
],
unread_info: {
flavor: 'cannot_compute',
},
expected_id_info: {
target_id: undefined,
final_select_id: 10000000000000000,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('search near', () => {
const fixture = {
filter_terms: [
{operator: 'search', operand: 'whatever'},
{operator: 'near', operand: 22},
],
target_id: 22,
unread_info: {
flavor: 'cannot_compute',
},
expected_id_info: {
target_id: 22,
final_select_id: 22,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('stream, no unread, not in all_messages', () => {
// This might be something you'd see zooming out from
// a muted topic, maybe? It's possibly this scenario
// is somewhat contrived, but we exercise fairly simple
// defensive code that just punts when messages aren't in
// our new message list. Note that our target_id is within
// the range of all_messages.
const fixture = {
filter_terms: [
{operator: 'stream', operand: 'whatever'},
],
target_id: 450,
unread_info: {
flavor: 'not_found',
},
has_found_newest: true,
empty: false,
all_messages: [
{id: 400},
{id: 500},
],
expected_id_info: {
target_id: 450,
final_select_id: 450,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('search, stream, not in all_messages', () => {
const fixture = {
filter_terms: [
{operator: 'search', operand: 'foo'},
{operator: 'stream', operand: 'whatever'},
],
unread_info: {
flavor: 'cannot_compute',
},
has_found_newest: true,
empty: false,
all_messages: [
{id: 400},
{id: 500},
],
expected_id_info: {
target_id: undefined,
final_select_id: 10000000000000000,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('stream/topic not in all_messages', () => {
// This is a bit of a corner case, but you could have a scenario
// where you've gone way back in a topic (perhaps something that
// has been muted a long time) and find an unread message that isn't
// actually in message_list.all.
const fixture = {
filter_terms: [
{operator: 'stream', operand: 'one'},
{operator: 'topic', operand: 'whatever'},
],
target_id: 1000,
unread_info: {
flavor: 'found',
msg_id: 2,
},
has_found_newest: true,
all_messages: [
{id: 900},
{id: 1100},
],
expected_id_info: {
target_id: 1000,
final_select_id: 2,
local_select_id: undefined,
},
expected_msg_ids: [],
};
test_with(fixture);
});
run_test('final corner case', () => {
// This tries to get all the way to the end of
// the function (as written now). The data here
// may be completely contrived.
const fixture = {
filter_terms: [
{operator: 'is', operand: 'starred'},
],
target_id: 450,
unread_info: {
flavor: 'not_found',
},
has_found_newest: true,
empty: false,
all_messages: [
{id: 400, topic: 'whatever'},
{id: 425, topic: 'whatever', starred: true},
{id: 500, topic: 'whatever'},
],
expected_id_info: {
target_id: 450,
final_select_id: 450,
local_select_id: undefined,
},
expected_msg_ids: [425],
};
test_with(fixture);
});
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