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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.equal(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.equal(expectedUrlHref, result && result.href);
39 });
40
41 test("should return default IStrictUrl for an invalid sourcemap url", function () {
42 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
43 const scriptBody = "";
44
45 const sourceMap = new SourceMapUtil();
46 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
47 assert.deepEqual(null, result);
48 });
49
50 test("should return default IStrictUrl if there are only inline sourcemap urls", function () {
51 const scriptUrl: url.Url = url.parse("http://localhost:8081/index.ios.bundle?platform=ios&dev=true");
52 const scriptBody = "//# sourceMappingURL=data:application/json;base64,eyJmb28iOiJiYXIifQ==\n" +
53 "//# sourceMappingURL=data:application/json;base64,eyJiYXoiOiJxdXV4In0=";
54
55 const sourceMap = new SourceMapUtil();
56 const result = sourceMap.getSourceMapURL(scriptUrl, scriptBody);
57 assert.deepEqual(null, result);
58 });
59
60 test("should update the contents of a source map file", function() {
61 const sourceMapBody: string = JSON.stringify({"version": 3, "sources": ["test/index.ts"], "names": [], "mappings": "", "file": "test/index.js", "sourceRoot": "../../src"});
62 const scriptPath: string = "test/newIndex.ts";
63 const sourcesRootPath: string = "new/src";
64 const expectedSourceMapBody: string = JSON.stringify({"version": 3, "sources": ["../../test/index.ts"], "names": [], "mappings": "", "file": scriptPath, "sourceRoot": ""});
65 const sourceMap = new SourceMapUtil();
66
67 const result: string = sourceMap.updateSourceMapFile(sourceMapBody, scriptPath, sourcesRootPath);
68 assert.equal(expectedSourceMapBody, result);
69 });
70
71 test("should update source map file path for remote packager", function () {
72 const localRoot = "/home/local";
73 const remoteRoot = "/home/remote";
74 const sourceMapBody: string = JSON.stringify({ "version": 3, "sources": [`${remoteRoot}/test/index.ts`], "names": [], "mappings": "", "file": "test/index.js", "sourceRoot": "../../src" });
75 const scriptPath: string = "test/newIndex.ts";
76 const sourcesRootPath: string = `${localRoot}/new/src`;
77 const expectedSourceMapBody: string = JSON.stringify({ "version": 3, "sources": [`../../test/index.ts`], "names": [], "mappings": "", "file": scriptPath, "sourceRoot": "" });
78 const sourceMap = new SourceMapUtil();
79
80 const result: string = sourceMap.updateSourceMapFile(sourceMapBody, scriptPath, sourcesRootPath, remoteRoot, localRoot);
81 assert.equal(expectedSourceMapBody, result);
82 });
83
84 test("should update scripts with source mapping urls", function() {
85 const scriptBody: string = "//# sourceMappingURL=/index.ios.map?platform=ios&dev=true";
86 const sourceMappingUrl: IStrictUrl = <IStrictUrl>url.parse("/index.android.map");
87 const expectedScriptBody = "//# sourceMappingURL=index.android.map";
88 const sourceMap = new SourceMapUtil();
89
90 const result = sourceMap.updateScriptPaths(scriptBody, sourceMappingUrl);
91 assert.equal(expectedScriptBody, result);
92 });
93
94 test("should not update scripts without source mapping urls", function() {
95 const scriptBody: string = "var path = require('path');";
96 const sourceMappingUrl: IStrictUrl = <IStrictUrl>url.parse("/index.android.map");
97 const sourceMap = new SourceMapUtil();
98
99 const result = sourceMap.updateScriptPaths(scriptBody, sourceMappingUrl);
100 assert.equal(scriptBody, result);
101 });
102
103 test("should update absolute source path to relative unix style path", function() {
104 const sourcePath: string = "foo/bar";
105 const sourcesRootPath: string = "baz/fuzz";
106 const expectedPath: string = "../../foo/bar";
107 const sourceMap = new SourceMapUtil();
108
109 const result = (<any>sourceMap).updateSourceMapPath(sourcePath, sourcesRootPath);
110 assert.equal(expectedPath, result);
111 });
112 });
113});
114