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1import { AST_NODE_TYPES, AST_TOKEN_TYPES } from '../ts-estree';
2import { ParserOptions } from './ParserOptions';
3import { RuleCreateFunction, RuleModule } from './Rule';
4interface ValidTestCase<TOptions extends Readonly<unknown[]>> {
5 /**
6 * Code for the test case.
7 */
8 readonly code: string;
9 /**
10 * Environments for the test case.
11 */
12 readonly env?: Readonly<Record<string, boolean>>;
13 /**
14 * The fake filename for the test case. Useful for rules that make assertion about filenames.
15 */
16 readonly filename?: string;
17 /**
18 * The additional global variables.
19 */
20 readonly globals?: Record<string, 'readonly' | 'writable' | 'off' | true>;
21 /**
22 * Options for the test case.
23 */
24 readonly options?: Readonly<TOptions>;
25 /**
26 * The absolute path for the parser.
27 */
28 readonly parser?: string;
29 /**
30 * Options for the parser.
31 */
32 readonly parserOptions?: Readonly<ParserOptions>;
33 /**
34 * Settings for the test case.
35 */
36 readonly settings?: Readonly<Record<string, unknown>>;
37}
38interface SuggestionOutput<TMessageIds extends string> {
39 /**
40 * Reported message ID.
41 */
42 readonly messageId: TMessageIds;
43 /**
44 * The data used to fill the message template.
45 */
46 readonly data?: Readonly<Record<string, unknown>>;
47 /**
48 * NOTE: Suggestions will be applied as a stand-alone change, without triggering multi-pass fixes.
49 * Each individual error has its own suggestion, so you have to show the correct, _isolated_ output for each suggestion.
50 */
51 readonly output: string;
52}
53interface InvalidTestCase<TMessageIds extends string, TOptions extends Readonly<unknown[]>> extends ValidTestCase<TOptions> {
54 /**
55 * Expected errors.
56 */
57 readonly errors: readonly TestCaseError<TMessageIds>[];
58 /**
59 * The expected code after autofixes are applied. If set to `null`, the test runner will assert that no autofix is suggested.
60 */
61 readonly output?: string | null;
62}
63interface TestCaseError<TMessageIds extends string> {
64 /**
65 * The 1-based column number of the reported start location.
66 */
67 readonly column?: number;
68 /**
69 * The data used to fill the message template.
70 */
71 readonly data?: Readonly<Record<string, unknown>>;
72 /**
73 * The 1-based column number of the reported end location.
74 */
75 readonly endColumn?: number;
76 /**
77 * The 1-based line number of the reported end location.
78 */
79 readonly endLine?: number;
80 /**
81 * The 1-based line number of the reported start location.
82 */
83 readonly line?: number;
84 /**
85 * Reported message ID.
86 */
87 readonly messageId: TMessageIds;
88 /**
89 * Reported suggestions.
90 */
91 readonly suggestions?: SuggestionOutput<TMessageIds>[] | null;
92 /**
93 * The type of the reported AST node.
94 */
95 readonly type?: AST_NODE_TYPES | AST_TOKEN_TYPES;
96}
97interface RunTests<TMessageIds extends string, TOptions extends Readonly<unknown[]>> {
98 readonly valid: readonly (ValidTestCase<TOptions> | string)[];
99 readonly invalid: readonly InvalidTestCase<TMessageIds, TOptions>[];
100}
101interface RuleTesterConfig {
102 readonly parser: string;
103 readonly parserOptions?: Readonly<ParserOptions>;
104}
105declare class RuleTesterBase {
106 /**
107 * Creates a new instance of RuleTester.
108 * @param testerConfig extra configuration for the tester
109 */
110 constructor(testerConfig?: RuleTesterConfig);
111 /**
112 * Adds a new rule test to execute.
113 * @param ruleName The name of the rule to run.
114 * @param rule The rule to test.
115 * @param test The collection of tests to run.
116 */
117 run<TMessageIds extends string, TOptions extends Readonly<unknown[]>>(ruleName: string, rule: RuleModule<TMessageIds, TOptions>, tests: RunTests<TMessageIds, TOptions>): void;
118 /**
119 * If you supply a value to this property, the rule tester will call this instead of using the version defined on
120 * the global namespace.
121 * @param text a string describing the rule
122 * @param callback the test callback
123 */
124 static describe?: (text: string, callback: () => void) => void;
125 /**
126 * If you supply a value to this property, the rule tester will call this instead of using the version defined on
127 * the global namespace.
128 * @param text a string describing the test case
129 * @param callback the test callback
130 */
131 static it?: (text: string, callback: () => void) => void;
132 /**
133 * Define a rule for one particular run of tests.
134 * @param name The name of the rule to define.
135 * @param rule The rule definition.
136 */
137 defineRule<TMessageIds extends string, TOptions extends Readonly<unknown[]>>(name: string, rule: RuleModule<TMessageIds, TOptions> | RuleCreateFunction<TMessageIds, TOptions>): void;
138}
139declare const RuleTester_base: typeof RuleTesterBase;
140declare class RuleTester extends RuleTester_base {
141}
142export { InvalidTestCase, SuggestionOutput, RuleTester, RuleTesterConfig, RunTests, TestCaseError, ValidTestCase, };
143//# sourceMappingURL=RuleTester.d.ts.map
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