1 | import assert from "assert";
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2 | import cp from "child_process";
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3 | import { CloseFn as FgCloseFn, proxy as fgChildProxy } from "demurgos-foreground-child";
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4 | import findUp from "find-up";
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5 | import fs from "fs";
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6 | import { fromSysPath, toSysPath } from "furi";
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7 | import sysPath from "path";
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8 | import Exclude from "test-exclude";
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9 | import urlMod from "url";
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10 | import vinylFs from "vinyl-fs";
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11 | import yargs from "yargs";
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12 | import { asyncDonePromise } from "./async-done-promise";
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13 | import { CoverageFilter, fromGlob } from "./filter";
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14 | import { GetText, getText as defaultGetText, GetTextSync, getTextSyncFromSourceStore } from "./get-text";
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15 | import { createReporter, reportStream, reportVinyl } from "./report";
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16 | import { Reporter, StreamReporter, VinylReporter } from "./reporter";
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17 | import { DEFAULT_REGISTRY } from "./reporter-registry";
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18 | import { RichProcessCov, spawnInspected } from "./spawn-inspected";
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19 | import { processCovsToIstanbul } from "./to-istanbul";
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20 | import { VERSION } from "./version";
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21 |
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22 | const DEFAULT_GLOBS: ReadonlyArray<string> = Exclude.defaultExclude.map((pattern: string) => `!${pattern}`);
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23 |
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24 | interface Watermarks {
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25 | lines: [number, number];
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26 | functions: [number, number];
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27 | branches: [number, number];
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28 | statements: [number, number];
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29 | }
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30 |
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31 | export interface FileConfig {
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32 | reporters?: ReadonlyArray<string>;
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33 | globs?: ReadonlyArray<string>;
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34 | coverageDir?: string;
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35 | waterMarks?: Watermarks;
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36 | }
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37 |
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38 | export interface CliConfig {
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39 | reporters?: ReadonlyArray<string>;
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40 | globs?: ReadonlyArray<string>;
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41 | coverageDir?: string;
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42 | command: ReadonlyArray<string>;
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43 | }
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44 |
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45 | export interface ResolvedConfig {
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46 | reporters: ReadonlyArray<string>;
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47 | globs: ReadonlyArray<string>;
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48 | coverageDir: string;
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49 | waterMarks: Watermarks;
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50 | command: ReadonlyArray<string>;
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51 | }
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52 |
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53 | export interface MessageAction {
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54 | action: "message";
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55 | message: string;
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56 | error?: Error;
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57 | }
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58 |
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59 | export interface RunAction {
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60 | action: "run";
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61 | config: ResolvedConfig;
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62 | }
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63 |
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64 | export type CliAction = MessageAction | RunAction;
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65 |
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66 | export type ParseArgsResult = MessageAction | {action: "run"; config: CliConfig};
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67 |
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68 | const DEFAULT_WATERMARKS: Watermarks = Object.freeze({
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69 | lines: [80, 95] as [number, number],
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70 | functions: [80, 95] as [number, number],
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71 | branches: [80, 95] as [number, number],
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72 | statements: [80, 95] as [number, number],
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73 | });
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74 |
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75 |
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76 | const ARG_PARSER: yargs.Argv = yargs() as any;
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77 |
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78 | ARG_PARSER
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79 | .scriptName("c88")
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80 | .version(VERSION)
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81 | .usage("$0 [opts] [script] [opts]")
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82 | .locale("en")
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83 | .option("reporter", {
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84 | alias: "r",
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85 | describe: "coverage reporter(s) to use",
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86 | default: "text",
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87 | })
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88 | .option("match", {
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89 | alias: "m",
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90 | default: DEFAULT_GLOBS,
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91 |
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92 | describe: "a list of specific files and directories that should be matched, glob patterns are supported.",
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93 | })
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94 | .option("coverage-directory", {
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95 | default: "coverage",
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96 | describe: "directory to output coverage JSON and reports",
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97 | })
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98 | .pkgConf("c88")
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99 | .demandCommand(1)
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100 | .epilog("visit https://git.io/vHysA for list of available reporters");
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101 |
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102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 |
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109 |
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110 |
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111 | export async function execCli(args: string[], cwd: string, proc: NodeJS.Process): Promise<number> {
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112 | const action: CliAction = await getAction(args, cwd);
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113 |
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114 | switch (action.action) {
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115 | case "message":
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116 | process.stderr.write(Buffer.from(action.message));
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117 | return action.error === undefined ? 0 : 1;
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118 | case "run":
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119 | return execRunAction(action, cwd, proc);
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120 | default:
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121 | throw new Error(`AssertionError: Unexpected \`action\`: ${(action as any).action}`);
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122 | }
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123 | }
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124 |
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125 | function resolveConfig(fileConfig: FileConfig, cliConfig: CliConfig): ResolvedConfig {
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126 | return {
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127 | command: cliConfig.command,
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128 | reporters: cliConfig.reporters !== undefined ? cliConfig.reporters : ["text"],
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129 | globs: cliConfig.globs !== undefined ? cliConfig.globs : DEFAULT_GLOBS,
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130 | waterMarks: fileConfig.waterMarks !== undefined ? fileConfig.waterMarks : DEFAULT_WATERMARKS,
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131 | coverageDir: cliConfig.coverageDir !== undefined ? cliConfig.coverageDir : "coverage",
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132 | };
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133 | }
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134 |
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135 | async function execRunAction({config}: RunAction, cwd: string, proc: NodeJS.Process): Promise<number> {
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136 | const file: string = config.command[0];
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137 | const args: string[] = config.command.slice(1);
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138 | const filter: CoverageFilter = fromGlob({patterns: config.globs, base: fromSysPath(cwd)});
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139 |
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140 | const subProcessExit: DeferredPromise<number> = deferPromise();
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141 |
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142 | async function onRootProcess(inspectedProc: cp.ChildProcess): Promise<void> {
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143 | const closeFn: FgCloseFn = await fgChildProxy(proc, inspectedProc);
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144 | if (closeFn.signal !== null) {
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145 | subProcessExit.reject(new Error(`Process killed by signal: ${closeFn.signal}`));
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146 | } else {
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147 | subProcessExit.resolve(closeFn.code!);
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148 | }
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149 | }
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150 |
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151 | let processCovs: RichProcessCov[];
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152 | try {
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153 | processCovs = await spawnInspected(file, args, {filter, onRootProcess});
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154 | } catch (err) {
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155 | proc.stderr.write(Buffer.from(`${err.toString()}\n`));
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156 | return 1;
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157 | }
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158 | const exitCode: number = await subProcessExit.promise;
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159 |
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160 | try {
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161 | const reporter: Reporter = createReporter(DEFAULT_REGISTRY, config.reporters, {waterMarks: config.waterMarks});
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162 | const resolvedCoverageDir: string = sysPath.join(cwd, config.coverageDir);
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163 | const coverageDir: urlMod.URL = fromSysPath(resolvedCoverageDir);
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164 | await report(reporter, processCovs, proc.stdout, coverageDir);
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165 | return exitCode;
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166 | } catch (err) {
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167 | proc.stderr.write(Buffer.from(err.toString() + "\n"));
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168 | return Math.max(1, exitCode);
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169 | }
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170 | }
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171 |
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172 | export async function report(
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173 | reporter: Reporter,
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174 | processCovs: ReadonlyArray<RichProcessCov>,
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175 | outStream: NodeJS.WritableStream,
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176 | outDir: Readonly<urlMod.URL>,
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177 | getText: GetText = defaultGetText,
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178 | ): Promise<void> {
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179 | const {coverageMap, sources} = await processCovsToIstanbul(processCovs, getText);
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180 | const getSourcesSync: GetTextSync = getTextSyncFromSourceStore(sources);
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181 |
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182 | const tasks: Promise<void>[] = [];
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183 | if (reporter.reportStream !== undefined) {
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184 | const stream: NodeJS.ReadableStream = reportStream(reporter as StreamReporter, coverageMap, getSourcesSync);
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185 | tasks.push(pipeData(stream, outStream));
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186 | }
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187 | if (reporter.reportVinyl !== undefined) {
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188 | const stream: NodeJS.ReadableStream = reportVinyl(reporter as VinylReporter, coverageMap, getSourcesSync)
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189 | .pipe(vinylFs.dest(toSysPath(outDir.href)));
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190 | tasks.push(asyncDonePromise(() => stream));
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191 | }
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192 |
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193 | await Promise.all(tasks);
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194 | }
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195 |
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196 | export async function getAction(args: string[], cwd: string): Promise<CliAction> {
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197 | const parsed: ParseArgsResult = parseArgs(args);
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198 | if (parsed.action !== "run") {
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199 | return parsed;
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200 | }
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201 | const fileConfig: FileConfig = await readConfigFile(cwd);
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202 | return {
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203 | action: "run",
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204 | config: resolveConfig(fileConfig, parsed.config),
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205 | };
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206 | }
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207 |
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208 | export function parseArgs(args: string[]): ParseArgsResult {
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209 |
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210 |
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211 |
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212 |
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213 |
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214 |
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215 |
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216 |
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217 | let _err: Error | undefined | null;
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218 | let _parsed: any;
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219 | let _output: string;
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220 | let isParsed: boolean = false;
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221 | ARG_PARSER.parse(args, (err: Error | undefined | null, parsed: any, output: string): void => {
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222 | _err = err;
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223 | _parsed = parsed;
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224 | _output = output;
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225 | isParsed = true;
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226 | });
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227 | assert(isParsed);
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228 | const err: Error | undefined | null = _err!;
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229 | const parsed: any = _parsed!;
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230 | const output: string = _output!;
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231 | if (err === null) {
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232 |
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233 | return {
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234 | action: "run",
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235 | config: {
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236 | command: parsed._,
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237 | reporters: Array.isArray(parsed.reporter) ? parsed.reporter : [parsed.reporter],
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238 | globs: parsed.match,
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239 | },
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240 | };
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241 | } else {
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242 | return {action: "message", message: output, error: err};
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243 | }
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244 | }
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245 |
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246 | async function readConfigFile(cwd: string): Promise<FileConfig> {
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247 | const configPath: string | null = findUp.sync([".c88rc", ".c88rc.json"]);
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248 | if (configPath === null) {
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249 | return Object.create(null);
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250 | }
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251 | return JSON.parse(fs.readFileSync(configPath, "UTF-8"));
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252 | }
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253 |
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254 | interface DeferredPromise<T> {
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255 | promise: Promise<T>;
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256 |
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257 | resolve(value: T): void;
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258 |
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259 | reject(reason: any): void;
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260 | }
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261 |
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262 | function deferPromise<T>(): DeferredPromise<T> {
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263 | let resolve: (value: T) => void;
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264 | let reject: (reason: any) => void;
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265 | const promise: Promise<T> = new Promise<T>((res, rej) => {
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266 | resolve = res;
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267 | reject = rej;
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268 | });
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269 | return {resolve: resolve!, reject: reject!, promise};
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270 | }
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271 |
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272 | function pipeData(src: NodeJS.ReadableStream, dest: NodeJS.WritableStream): Promise<void> {
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273 | return new Promise<void>((resolve, reject) => {
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274 | src.on("data", chunk => dest.write(chunk));
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275 | src.on("error", reject);
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276 | src.on("end", resolve);
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277 | });
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278 | }
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279 |
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\ | No newline at end of file |