1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/balanced-observers");
var RuleTester = require("eslint").RuleTester;
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 6 } });
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function error(code, message) {
return {
code,
errors: [{ message, type: "Identifier" }],
};
}
ruleTester.run("balanced-observers", rule, {
valid: [
"Services.obs.addObserver(observer, 'observable');" +
"Services.obs.removeObserver(observer, 'observable');",
"Services.prefs.addObserver('preference.name', otherObserver);" +
"Services.prefs.removeObserver('preference.name', otherObserver);",
],
invalid: [
error(
// missing Services.obs.removeObserver
"Services.obs.addObserver(observer, 'observable');",
"No corresponding 'removeObserver(\"observable\")' was found."
),
error(
// wrong observable name for Services.obs.removeObserver
"Services.obs.addObserver(observer, 'observable');" +
"Services.obs.removeObserver(observer, 'different-observable');",
"No corresponding 'removeObserver(\"observable\")' was found."
),
error(
// missing Services.prefs.removeObserver
"Services.prefs.addObserver('preference.name', otherObserver);",
"No corresponding 'removeObserver(\"preference.name\")' was found."
),
error(
// wrong observable name for Services.prefs.removeObserver
"Services.prefs.addObserver('preference.name', otherObserver);" +
"Services.prefs.removeObserver('other.preference', otherObserver);",
"No corresponding 'removeObserver(\"preference.name\")' was found."
),
error(
// mismatch Services.prefs vs Services.obs
"Services.obs.addObserver(observer, 'observable');" +
"Services.prefs.removeObserver(observer, 'observable');",
"No corresponding 'removeObserver(\"observable\")' was found."
),
error(
"Services.prefs.addObserver('preference.name', otherObserver);" +
// mismatch Services.prefs vs Services.obs
"Services.obs.removeObserver('preference.name', otherObserver);",
"No corresponding 'removeObserver(\"preference.name\")' was found."
),
],
});
|
