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vscode-react-native/test/debugger

test/debugger/sourceMap.test.ts

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1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
4import {SourceMapUtil, IStrictUrl} from "../../src/debugger/sourceMap";
5
6import * as assert from "assert";
7import * as path from "path";
8import * as url from "url";
9
10suite("sourceMap", function() {
11 suite("debuggerContext", function() {
12 test("should convert host filesystem paths to URL-style-paths", function() {
13 const sourceMap = new SourceMapUtil();
14 const filePath = path.join("foo", "bar", "baz");
15 const urlPath = "foo/bar/baz";
16 const result = (<any>sourceMap).makeUnixStylePath(filePath);
17 assert(result === urlPath, `Expected "${urlPath}", found "${result}"`);
18 });
19
20 test("should resolve a valid sourcemap url", function () {
21 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
22 const scriptBody = "//# sourceMappingURL=/index.ios.map?platform=ios&dev=true";
23 const expectedUrlHref = "http://localhost:8081/index.ios.map?platform=ios&dev=true";
24
25 const sourceMap = new SourceMapUtil();
26 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
27 assert.strictEqual(expectedUrlHref, result && result.href);
28 });
29
30 test("should ignore inline sourcemap urls", function () {
31 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
32 const scriptBody = "//# sourceMappingURL=data:application/json;base64,eyJmb28iOiJiYXIifQ==\n" +
33 "//# sourceMappingURL=/index.ios.map?platform=ios&dev=true";
34 const expectedUrlHref = "http://localhost:8081/index.ios.map?platform=ios&dev=true";
35
36 const sourceMap = new SourceMapUtil();
37 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
38 assert.strictEqual(expectedUrlHref, result && result.href);
39 });
40
41 test("should return correct sourcemap url for RN macOS", function () {
42 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.bundle?platform=macos&dev=true");
43 const scriptBody = "//# sourceMappingURL=//index.map?platform=macos&dev=true";
44 const expectedUrlHref = "http://localhost:8081/index.map?platform=macos&dev=true";
45
46 const sourceMap = new SourceMapUtil();
47 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
48 assert.equal(expectedUrlHref, result && result.href);
49 });
50
51 test("should return default IStrictUrl for an invalid sourcemap url", function () {
52 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
53 const scriptBody = "";
54
55 const sourceMap = new SourceMapUtil();
56 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
57 assert.deepStrictEqual(null, result);
58 });
59
60 test("should return default IStrictUrl if there are only inline sourcemap urls", function () {
61 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
62 const scriptBody = "//# sourceMappingURL=data:application/json;base64,eyJmb28iOiJiYXIifQ==\n" +
63 "//# sourceMappingURL=data:application/json;base64,eyJiYXoiOiJxdXV4In0=";
64
65 const sourceMap = new SourceMapUtil();
66 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
67 assert.deepStrictEqual(null, result);
68 });
69
70 test("should update the contents of a source map file", function() {
71 const sourceMapBody: string = JSON.stringify({"version": 3, "sources": ["test/index.ts"], "names": [], "mappings": "", "file": "test/index.js", "sourceRoot": "../../src"});
72 const scriptPath: string = "test/newIndex.ts";
73 const sourcesRootPath: string = "new/src";
74 const expectedSourceMapBody: string = JSON.stringify({"version": 3, "sources": ["../../test/index.ts"], "names": [], "mappings": "", "file": scriptPath, "sourceRoot": ""});
75 const sourceMap = new SourceMapUtil();
76
77 const result: string = sourceMap.updateSourceMapFile(sourceMapBody, scriptPath, sourcesRootPath);
78 assert.strictEqual(expectedSourceMapBody, result);
79 });
80
81 test("should update source map file path for remote packager", function () {
82 const localRoot = "/home/local";
83 const remoteRoot = "/home/remote";
84 const sourceMapBody: string = JSON.stringify({ "version": 3, "sources": [`${remoteRoot}/test/index.ts`], "names": [], "mappings": "", "file": "test/index.js", "sourceRoot": "../../src" });
85 const scriptPath: string = "test/newIndex.ts";
86 const sourcesRootPath: string = `${localRoot}/new/src`;
87 const expectedSourceMapBody: string = JSON.stringify({ "version": 3, "sources": [`../../test/index.ts`], "names": [], "mappings": "", "file": scriptPath, "sourceRoot": "" });
88 const sourceMap = new SourceMapUtil();
89
90 const result: string = sourceMap.updateSourceMapFile(sourceMapBody, scriptPath, sourcesRootPath, remoteRoot, localRoot);
91 assert.strictEqual(expectedSourceMapBody, result);
92 });
93
94 test("should update scripts with source mapping urls", function() {
95 const scriptBody: string = "//# sourceMappingURL=/index.ios.map?platform=ios&dev=true";
96 const sourceMappingUrl: IStrictUrl = <IStrictUrl>url.parse("/index.android.map");
97 const expectedScriptBody = "//# sourceMappingURL=index.android.map";
98 const sourceMap = new SourceMapUtil();
99
100 const result = sourceMap.updateScriptPaths(scriptBody, sourceMappingUrl);
101 assert.strictEqual(expectedScriptBody, result);
102 });
103
104 test("should not update scripts without source mapping urls", function() {
105 const scriptBody: string = "var path = require('path');";
106 const sourceMappingUrl: IStrictUrl = <IStrictUrl>url.parse("/index.android.map");
107 const sourceMap = new SourceMapUtil();
108
109 const result = sourceMap.updateScriptPaths(scriptBody, sourceMappingUrl);
110 assert.strictEqual(scriptBody, result);
111 });
112
113 test("should update absolute source path to relative unix style path", function() {
114 const sourcePath: string = "foo/bar";
115 const sourcesRootPath: string = "baz/fuzz";
116 const expectedPath: string = "../../foo/bar";
117 const sourceMap = new SourceMapUtil();
118
119 const result = (<any>sourceMap).updateSourceMapPath(sourcePath, sourcesRootPath);
120 assert.strictEqual(expectedPath, result);
121 });
122
123 test("should get only the latest sourceMappingURL", function() {
124 const scriptBody: string = `//# sourceMappingURL=abort.controller.js.map
125//# sourceMappingURL=index.map
126//# sourceURL=http://localhost:8081/index.bundle?platform=android&dev=true&minify=false`;
127 const expectedScriptBody = `index.map`;
128 const sourceMap = new SourceMapUtil();
129
130 const result = sourceMap.getSourceMapRelativeUrl(scriptBody);
131 assert.strictEqual(expectedScriptBody, result);
132 });
133
134 test("should remove sourceURL from the bundle script body correctly", function() {
135 const scriptBody: string = `var sourceURL = '//# sourceURL=' + (hasOwnProperty.call(options, 'sourceURL') ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ') : 'lodash.templateSources[' + ++templateCounter + ']') + '\\n';
136//# sourceMappingURL=index.map
137//# sourceURL=http://localhost:8081/index.bundle?platform=android&dev=true&minify=false`;
138 const expectedScriptBody = `var sourceURL = '//# sourceURL=' + (hasOwnProperty.call(options, 'sourceURL') ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ') : 'lodash.templateSources[' + ++templateCounter + ']') + '\\n';
139//# sourceMappingURL=index.map\n`;
140 const sourceMap = new SourceMapUtil();
141
142 const result = sourceMap.removeSourceURL(scriptBody);
143 assert.strictEqual(expectedScriptBody, result);
144 });
145
146 test("should remove sourceURL if it is before sourceMappingURL", function() {
147 const scriptBody: string = `var sourceURL = '//# sourceURL=' + (hasOwnProperty.call(options, 'sourceURL') ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ') : 'lodash.templateSources[' + ++templateCounter + ']') + '\\n';
148//# sourceURL=http://localhost:8081/index.bundle?platform=android&dev=true&minify=false
149//# sourceMappingURL=index.map`;
150 const expectedScriptBody = `var sourceURL = '//# sourceURL=' + (hasOwnProperty.call(options, 'sourceURL') ? (options.sourceURL + '').replace(/[\\r\\n]/g, ' ') : 'lodash.templateSources[' + ++templateCounter + ']') + '\\n';
151
152//# sourceMappingURL=index.map`;
153 const sourceMap = new SourceMapUtil();
154
155 const result = sourceMap.removeSourceURL(scriptBody);
156 assert.strictEqual(expectedScriptBody, result);
157 });
158
159 });
160});
161