fuse-box/src/tests/BrowserField.test.ts

Fuse-Box a bundler that does it right

import { FuseTestEnv, createRealNodeModule } from "./stubs/FuseTestEnv";
import { should } from 'fuse-test-runner';

createRealNodeModule("pkg_folder_alias_without_ext", {
    "hello.js": `module.exports = "world"`,
    "foo/package.json": `{
        "main" : "../hello"
    }`
});

createRealNodeModule("pkg_folder_alias_with_ext", {
    "hello.js": `module.exports = "world2"`,
    "foo/package.json": `{
        "main" : "../hello.js"
    }`
});


export class PackageFolderAliasTest {
    "Should alias from a package without ext"() {
        return FuseTestEnv.create(
            {
                project: {
                    files: {
                        "index.ts": `
                            module.exports = require("pkg_folder_alias_without_ext/foo")
                        `,
                    }
                }
            }
        )
        .simple().then(test => test.browser((window, env) => {
            const index = window.FuseBox.import("./index")
            should(index).equal("world");
        }));
    }


    "Should alias from a package with ext"() {
        return FuseTestEnv.create(
            {
                project: {
                    files: {
                        "index.ts": `
                            module.exports = require("pkg_folder_alias_with_ext/foo")
                        `,
                    }
                }
            }
        )
        .simple().then(test => test.browser((window, env) => {
            const index = window.FuseBox.import("./index")
            should(index).equal("world2");
        }));
    }


    "Should alias from a package with ext locally"() {
        return FuseTestEnv.create(
            {
                project: {
                    files: {
                        "some/package.json": `{
                            "main" : "../hello/other.js"
                        }`,
                        "hello/other.js" : "module.exports = 'Should work'",
                        "index.ts": `
                            module.exports = require("./some")
                        `,
                    }
                }
            }
        )
        .simple().then(test => test.browser((window, env) => {
            const index = window.FuseBox.import("./index")
            should(index).equal("Should work");
        }));
    }

    "Browser override case 1"() {
        createRealNodeModule("pkg_with_browser_overrides_1", {
            "index.js": `module.exports = require('./foo')`,
            "foo.js": `module.exports = "Should not be required"`,
            "overrides/foo_browser.js": `module.exports = "I am overrides/foo_browser"`,
            "package.json": `{
                "main" : "index.js",
                "browser": {
                    "./foo.js": "overrides/foo_browser"
                }
            }`
        });
        return FuseTestEnv.create(
            {
                project: {
                    files: {
                        "index.ts": `
                            module.exports = require("pkg_with_browser_overrides_1")
                        `,
                    }
                }
            }
        )
        .simple().then(test => test.browser((window, env) => {
            const index = window.FuseBox.import("./index")
            should(index).equal("I am overrides/foo_browser");
        }));
    }

    "Browser override case 2"() {
        createRealNodeModule("pkg_with_browser_overrides_2", {
            "index.js": `module.exports = require('./foo')`,
            "foo.js": `module.exports = "Should not be required"`,
            "overrides/foo_browser.js": `module.exports = "I am overrides/foo_browser2"`,
            "package.json": `{
                "main" : "index.js",
                "browser": {
                    "./foo.js": "overrides/foo_browser.js"
                }
            }`
        });
        return FuseTestEnv.create(
            {
                project: {
                    files: {
                        "index.ts": `
                            module.exports = require("pkg_with_browser_overrides_2")
                        `,
                    }
                }
            }
        )
        .simple().then(test => test.browser((window, env) => {
            const index = window.FuseBox.import("./index")
            should(index).equal("I am overrides/foo_browser2");
        }));
    }
}