tverhoken / stryker-diff-runner / 163

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Build # 163

Build Type

Pull #25

travis-ci-com

Committed by

web-flow

Commit Message

<a href="https://github.com/tverhoken/stryker-diff-runner/commit/<a class=hub.com/tverhoken/stryker-diff-runner/commit/<a class="double-link" href="https://git"><a class=hub.com/tverhoken/stryker-diff-runner/commit/<a class="double-link" href="https://git"><a class=hub.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39328">143869841<a href="https://github.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39328">&quot;&gt;&amp;lt;a href=&amp;quot;https://github.com/tverhoken/stryker-diff-runner/commit/&lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/tverhoken/stryker-diff-runner/commit/&amp;lt;a class=&amp;quot;double-link&amp;quot; href=&amp;quot;https://git&quot;&gt;&amp;lt;a class=&lt;/a&gt;hub.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39328&quot;&gt;143869841&lt;/a&gt;&lt;a href=&quot;https://github.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39328&quot;&gt;&amp;lt;a href=&amp;quot;https://github.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c&lt;/a&gt;67f39328&quot;&gt;&quot;&gt;Merge &lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/tverhoken/stryker-diff-runner/commit/&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/tverhoken/stryker-diff-runner/commit/<a class="double-link" href="https://github.com/tverhoken/stryker-diff-runner/commit/0eef1a017cedfd7da314f0b8762e4f6eaeb0d4a8">0eef1a017</a><a href="https://github.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39328">&amp;quot;&amp;gt;0eef1a017&amp;lt;/a&amp;gt;&amp;quot;&amp;gt;0eef1a017&amp;lt;/a&amp;gt;&amp;lt;a href=&amp;quot;https://github.com/tverhoken/stryker-diff-runner/commit/143869841e852691b68af7d98532c23c67f39&lt;/a&gt;328&quot;&gt; into &lt;/a&gt;&lt;a class=&quot;double-link&quot; href=&quot;https://github.com/tverhoken/stryker-diff-runner/commit/<a class="double-link" href="https://github.com/tverhoken/stryker-diff-runner/commit/a7fa233c3">a7fa233c3">a7fa233c3</a>

Pull Request Pull Request #25: feat: allow customizing stryker directory and branch name

Run Details

13 of 16 branches covered (81.25%)

Branch coverage included in aggregate %.

18 of 18 new or added lines in 1 file covered. (100.0%)

45 of 48 relevant lines covered (93.75%)

7.65 hits per line

Source File
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90.63

/src/index.ts

import { Config } from "@stryker-mutator/api/config";
import Stryker from "@stryker-mutator/core";
import { exec } from "child_process";
import { join } from "path";

export default function run(commandArgs: string[]) {

  const args = commandArgs.slice(2);
  let branch;
  let path;

  mapAllArgumentsToAnArray(args).forEach((element) => {
    switch (element[0]) {
      case "branch":
        branch = element[1];
        break;
      case "path":
        path = element[1];
    }
  });

  const strykerConfPath = join(process.cwd(), path || "stryker.conf.js");

  exec(
    `git diff origin/${branch || "master"} --name-only | grep -E -v '.*\\.test.*' | grep -e 'src/.*\\.[jt]s'`,
    (error, stdout, stderr) => {
      if (error) {
        console.error(error.message);
        console.error(stderr);
        process.exit(1);
      }

      const filesToMutate = stdout.split("\n");
      filesToMutate.splice(filesToMutate.length - 1, 1);

      import(strykerConfPath)
        .then(initConfig)
        .then(applyArgumentsFromCommandLine(args))
        .then(applyFilesToMutate(filesToMutate))
        .then(launchStryker);
    });
}

function filterExcludedFilames(fileNames: string[], matchers: string[]) {
  const exclusionMatchers = matchers
    .filter((matcher) => matcher[0] === "!")
    .map((matcher) => matcher.substr(1));
  return fileNames.filter((fileName) => (
    exclusionMatchers.every((matcher) => fileName !== matcher)
  ));
}

function initConfig(module: any) {
  const config = new Config();
  module.default(config);
  return config;
}

function applyArgumentsFromCommandLine(args: string[]) {
  return (config: Config) => {
    mapAllArgumentsToAnArray(args).forEach((element) => {
      if (element[0] !== "branch" && element[0] !== "path") {
        config[element[0]] = element[1];
      }
    });
    return config;
  };
}

function mapAllArgumentsToAnArray(args: string[]) {
  return args.reduce<Array<Array<string | number>>>((reducer, currentValue, currentIdx) => {
    const newReducer = [...reducer];
    if (currentIdx % 2 === 0) {
      newReducer.push([currentValue.slice(2)]);
    } else {
      if (Number.isNaN(parseInt(currentValue, 10))) {
        newReducer[reducer.length - 1].push(currentValue);
      } else {
        newReducer[reducer.length - 1].push(parseInt(currentValue, 10));
      }
    }
    return newReducer;
  }, []);
}

function applyFilesToMutate(filesToMutate: string[]) {
  return (config: Config) => {
    const mutate = config.mutate;
    mutate.splice(0, 1);
    const filteredFilesToMutate = filterExcludedFilames(filesToMutate, mutate);
    return { ...config, mutate: mutate.concat(filteredFilesToMutate) } as Config;
  };
}

function launchStryker(config: Config) {
  const stryker = new Stryker(config);

  return stryker.runMutationTest();
}

1	import { Config } from "@stryker-mutator/api/config";	1✔
2	import Stryker from "@stryker-mutator/core";	1✔
3	import { exec } from "child_process";	1✔
4	import { join } from "path";	1✔
5
6	export default function run(commandArgs: string[]) {	1✔
7
8	const args = commandArgs.slice(2);	9✔
9	let branch;
10	let path;
11
12	mapAllArgumentsToAnArray(args).forEach((element) => {	9✔
13	switch (element[0]) {	6✔
14	case "branch":	×
15	branch = element[1];	×
16	break;	×
17	case "path":
18	path = element[1];	×
19	}
20	});
21
22	const strykerConfPath = join(process.cwd(), path \|\| "stryker.conf.js");	9✔
23
24	exec(	9✔
25	`git diff origin/${branch \|\| "master"} --name-only \| grep -E -v '.\\.test.' \| grep -e 'src/.*\\.[jt]s'`,	18✔
26	(error, stdout, stderr) => {
27	if (error) {	9✔
28	console.error(error.message);	1✔
29	console.error(stderr);	1✔
30	process.exit(1);	1✔
31	}
32
33	const filesToMutate = stdout.split("\n");	9✔
34	filesToMutate.splice(filesToMutate.length - 1, 1);	9✔
35
36	import(strykerConfPath)	9✔
37	.then(initConfig)
38	.then(applyArgumentsFromCommandLine(args))
39	.then(applyFilesToMutate(filesToMutate))
40	.then(launchStryker);
41	});
42	}
43
44	function filterExcludedFilames(fileNames: string[], matchers: string[]) {
45	const exclusionMatchers = matchers	9✔
46	.filter((matcher) => matcher[0] === "!")	1✔
47	.map((matcher) => matcher.substr(1));	1✔
48	return fileNames.filter((fileName) => (	9✔
49	exclusionMatchers.every((matcher) => fileName !== matcher)	6✔
50	));
51	}
52
53	function initConfig(module: any) {
54	const config = new Config();	9✔
55	module.default(config);	9✔
56	return config;	9✔
57	}
58
59	function applyArgumentsFromCommandLine(args: string[]) {
60	return (config: Config) => {	9✔
61	mapAllArgumentsToAnArray(args).forEach((element) => {	9✔
62	if (element[0] !== "branch" && element[0] !== "path") {	6!
63	config[element[0]] = element[1];	6✔
64	}
65	});
66	return config;	9✔
67	};
68	}
69
70	function mapAllArgumentsToAnArray(args: string[]) {
71	return args.reduce<Array<Array<string \| number>>>((reducer, currentValue, currentIdx) => {	18✔
72	const newReducer = [...reducer];	24✔
73	if (currentIdx % 2 === 0) {	24✔
74	newReducer.push([currentValue.slice(2)]);	12✔
75	} else {
76	if (Number.isNaN(parseInt(currentValue, 10))) {	12✔
77	newReducer[reducer.length - 1].push(currentValue);	10✔
78	} else {
79	newReducer[reducer.length - 1].push(parseInt(currentValue, 10));	2✔
80	}
81	}
82	return newReducer;	24✔
83	}, []);
84	}
85
86	function applyFilesToMutate(filesToMutate: string[]) {
87	return (config: Config) => {	9✔
88	const mutate = config.mutate;	9✔
89	mutate.splice(0, 1);	9✔
90	const filteredFilesToMutate = filterExcludedFilames(filesToMutate, mutate);	9✔
91	return { ...config, mutate: mutate.concat(filteredFilesToMutate) } as Config;	9✔
92	};
93	}
94
95	function launchStryker(config: Config) {
96	const stryker = new Stryker(config);	9✔
97
98	return stryker.runMutationTest();	9✔
99	}

tverhoken / stryker-diff-runner / 163

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