82 lines
2.5 KiB
TypeScript
82 lines
2.5 KiB
TypeScript
import {Logger, TaggedLogger, LogLevel} from '../types';
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import {ActivatableLogger} from '../logger';
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export type MockLogMessages = any[][];
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type TaggedLogMessages = {
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tags: {[key: string]: TaggedLogMessages},
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logs: {[key: string]: MockLogMessages}
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}
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export class MockLogger implements ActivatableLogger {
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private taggedLogMessages: TaggedLogMessages = MockLogger.emptyTaggedLogMessages();
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constructor() {}
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private static emptyTaggedLogMessages(): TaggedLogMessages {
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return {
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tags: {},
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logs: {}
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};
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}
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reset(): void {
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this.taggedLogMessages = MockLogger.emptyTaggedLogMessages();
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}
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getMessages(level: LogLevel, ...tags: string[]): MockLogMessages {
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let taggedLogMessages = this.taggedLogMessages;
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for (const tag of tags) {
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if (!taggedLogMessages.tags[tag]) {
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return [];
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}
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taggedLogMessages = taggedLogMessages.tags[tag];
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}
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return taggedLogMessages.logs[level] || [];
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}
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init(...args: any[]): void {}
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private doLog(taggedLogMessages: TaggedLogMessages, level: LogLevel, tags: string[], args: any[]): void {
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if (tags.length > 0) {
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const tag = tags[0];
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const remainingTags = tags.slice(1);
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const subTaggedLogsMessages: TaggedLogMessages =
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taggedLogMessages.tags[tag] || MockLogger.emptyTaggedLogMessages();
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this.doLog(subTaggedLogsMessages, level, remainingTags, args);
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taggedLogMessages.tags[tag] = subTaggedLogsMessages;
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} else {
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const logMessages: MockLogMessages = taggedLogMessages.logs[level] || [];
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logMessages.push(args);
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taggedLogMessages.logs[level] = logMessages;
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}
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}
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tag(...tags: string[]): TaggedLogger {
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const logger: MockLogger = this;
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return {
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log(level: LogLevel, ...args: any[]): void {
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logger.doLog(logger.taggedLogMessages, level, tags, args);
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},
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debug(...args: any[]): void {
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this.log('debug', ...args);
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},
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info(...args: any[]): void {
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this.log('info', ...args);
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},
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warn(...args: any[]): void {
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this.log('warn', ...args);
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},
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error(...args: any[]): void {
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this.log('error', ...args);
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},
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profile(...args: any[]): void {
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this.log('profile', ...args);
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},
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}
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}
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}
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export default new MockLogger();
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