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zulip/frontend_tests/node_tests/narrow_local.js

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"use strict";
const {strict: assert} = require("assert");
const {set_global, zrequire} = require("../zjsunit/namespace");
const {run_test} = require("../zjsunit/test");
zrequire("Filter", "js/filter");
zrequire("FetchStatus", "js/fetch_status");
zrequire("MessageListData", "js/message_list_data");
zrequire("narrow_state");
zrequire("narrow");
zrequire("stream_data");
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") {
for (const msg of fixture.all_messages) {
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,
});
const id_info = {
target_id: fixture.target_id,
local_select_id: undefined,
final_select_id: undefined,
};
message_list.all = {
data: {
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,
msg_data,
});
assert.deepEqual(id_info, fixture.expected_id_info);
const msgs = msg_data.all_messages();
const msg_ids = msgs.map((message) => message.id);
assert.deepEqual(msg_ids, fixture.expected_msg_ids);
}
run_test("near after unreads", () => {
// Current near: behavior is to ignore the unreads and take you
// to the target message, with reading disabled.
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: 42,
local_select_id: 42,
},
expected_msg_ids: [37, 42, 44],
};
test_with(fixture);
});
run_test("near not in message list", () => {
// Current behavior is to ignore the unreads and take you
// to the closest messages, with reading disabled.
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: 41, topic: "whatever"},
{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: [41, 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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