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coverageservice.ts
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coverageservice.ts
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import { Section } from "lcov-parse";
import {
Disposable,
FileSystemWatcher,
OutputChannel,
TextEditor,
window,
workspace,
} from "vscode";
import { Config } from "../extension/config";
import { CrashReporter } from "../extension/crashreporter";
import { StatusBarToggler } from "../extension/statusbartoggler";
import { CoverageParser } from "../files/coverageparser";
import { FilesLoader } from "../files/filesloader";
import { Renderer } from "./renderer";
import { SectionFinder } from "./sectionfinder";
enum Status {
ready = "READY",
initializing = "INITIALIZING",
loading = "LOADING",
rendering = "RENDERING",
error = "ERROR",
}
export class CoverageService {
private statusBar: StatusBarToggler;
private configStore: Config;
private outputChannel: OutputChannel;
private filesLoader: FilesLoader;
private renderer: Renderer;
private coverageParser: CoverageParser;
private coverageWatcher: FileSystemWatcher;
private editorWatcher: Disposable;
private sectionFinder: SectionFinder;
private cache: Map<string, Section>;
constructor(
configStore: Config,
outputChannel: OutputChannel,
statusBar: StatusBarToggler,
) {
this.configStore = configStore;
this.outputChannel = outputChannel;
this.updateServiceState(Status.initializing);
this.cache = new Map();
this.filesLoader = new FilesLoader(configStore);
this.sectionFinder = new SectionFinder(
configStore,
this.outputChannel,
);
this.renderer = new Renderer(
configStore,
this.sectionFinder,
);
this.coverageParser = new CoverageParser(this.outputChannel);
this.statusBar = statusBar;
}
public dispose() {
if (this.coverageWatcher) { this.coverageWatcher.dispose(); }
if (this.editorWatcher) { this.editorWatcher.dispose(); }
this.cache = new Map(); // reset cache to empty
const visibleEditors = window.visibleTextEditors;
this.renderer.renderCoverage(this.cache, visibleEditors);
}
public async displayForFile() {
await this.loadCacheAndRender();
}
public async watchWorkspace() {
await this.displayForFile();
this.listenToFileSystem();
this.listenToEditorEvents();
}
public async removeCoverageForCurrentEditor() {
try {
this.statusBar.setLoading(true);
const visibleEditors = window.visibleTextEditors;
this.renderer.renderCoverage(new Map(), visibleEditors);
} finally {
this.statusBar.setLoading(false);
}
}
private async loadCache() {
try {
this.updateServiceState(Status.loading);
const files = await this.filesLoader.findCoverageFiles();
this.outputChannel.appendLine(
`[${Date.now()}][coverageservice]: Loading ${files.size} file(s)`,
);
const dataFiles = await this.filesLoader.loadDataFiles(files);
this.outputChannel.appendLine(
`[${Date.now()}][coverageservice]: Loaded ${dataFiles.size} data file(s)`,
);
const dataCoverage = await this.coverageParser.filesToSections(dataFiles);
this.outputChannel.appendLine(
`[${Date.now()}][coverageservice]: Caching ${dataCoverage.size} coverage(s)`,
);
this.cache = dataCoverage;
this.updateServiceState(Status.ready);
} catch (error) {
this.handleError(error);
}
}
private updateServiceState(state: Status) {
this.outputChannel.appendLine(
`[${Date.now()}][coverageservice]: ${state}`);
}
private async loadCacheAndRender() {
try {
this.statusBar.setLoading(true);
await this.loadCache();
this.updateServiceState(Status.rendering);
const visibleEditors = window.visibleTextEditors;
this.renderer.renderCoverage(this.cache, visibleEditors);
this.updateServiceState(Status.ready);
} finally {
this.statusBar.setLoading(false);
}
}
private listenToFileSystem() {
let blobPattern;
// Monitor only manual coverage files if the user has defined them
if (this.configStore.manualCoverageFilePaths.length) {
// Paths outside of workspace folders will not be watchable,
// but those that are inside workspace will still work as expected
blobPattern = `{${this.configStore.manualCoverageFilePaths}}`;
} else {
const fileNames = this.configStore.coverageFileNames.toString();
let baseDir = this.configStore.coverageBaseDir;
if (workspace.workspaceFolders) {
// Prepend workspace folders glob to the folder lookup glob
// This allows watching within all the workspace folders
const workspaceFolders = workspace.workspaceFolders.map((wf) => wf.uri.fsPath);
baseDir = `{${workspaceFolders}}/${baseDir}`;
}
// Creates a BlobPattern for all coverage files.
// EX: `{/path/to/workspace1, /path/to/workspace2}/**/{cov.xml, lcov.info}`
blobPattern = `${baseDir}/{${fileNames}}`;
}
const outputMessage = `[${Date.now()}][coverageservice]: Listening to file system at ${blobPattern}`;
this.outputChannel.appendLine(outputMessage);
this.coverageWatcher = workspace.createFileSystemWatcher(blobPattern);
this.coverageWatcher.onDidChange(this.loadCacheAndRender.bind(this));
this.coverageWatcher.onDidCreate(this.loadCacheAndRender.bind(this));
this.coverageWatcher.onDidDelete(this.loadCacheAndRender.bind(this));
}
private handleEditorEvents(textEditors: TextEditor[]) {
try {
this.updateServiceState(Status.rendering);
this.statusBar.setLoading(true);
this.renderer.renderCoverage(this.cache, textEditors);
this.updateServiceState(Status.ready);
} finally {
this.statusBar.setLoading(false);
}
}
private listenToEditorEvents() {
this.editorWatcher = window.onDidChangeVisibleTextEditors(
this.handleEditorEvents.bind(this),
);
}
private handleError(error: Error) {
const message = error.message ? error.message : error;
const stackTrace = error.stack;
window.showWarningMessage(message.toString());
this.outputChannel.appendLine(`[${Date.now()}][gutters]: Error ${message}`);
this.outputChannel.appendLine(`[${Date.now()}][gutters]: Stacktrace ${stackTrace}`);
const crashReporter = new CrashReporter();
if (crashReporter.checkEnabled()) {
const [ sentryId, sentryPrompt ] = crashReporter.captureError(error);
this.outputChannel.appendLine(`[${Date.now()}][gutters]: ${sentryPrompt} ${sentryId}`);
}
}
}