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Automatically detect what python install to use on linux systems

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This commit is contained in:
Jelle Glebbeek
2021-04-03 22:02:31 +02:00
parent cff89c6923
commit 92fc7757cd
5 changed files with 109 additions and 16 deletions
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50
tests/DetectPython.test.js Normal file
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@@ -0,0 +1,50 @@
const execa = require('execa');
const DetectPython = require("../modules/DetectPython");
jest.mock('execa');
beforeEach(() => {
jest.clearAllMocks();
jest.doMock('execa', () => {
const originalModule = jest.requireActual('execa')
return {
__esModule: true,
...originalModule,
execa: jest.fn()
}
});
});
describe('test', () => {
it('returns true when successful', () => {
const instance = new DetectPython();
execa.mockResolvedValue("test output");
expect(instance.test()).resolves.toBeTruthy();
});
it('returns false on error', () => {
const instance = new DetectPython();
execa.mockImplementation(() => {
throw new Error("ENOENT");
});
expect(instance.test()).resolves.toBeFalsy();
});
});
describe('detect', () => {
it("Returns python if all tests fail", () => {
const instance = new DetectPython();
jest.spyOn(instance, 'test').mockResolvedValue(false);
expect(instance.detect()).resolves.toEqual("python");
});
it("Returns the command of the first completed test", async () => {
const commands = ["python", "python3", "python2"];
for(const command of commands) {
const instance = new DetectPython();
jest.spyOn(instance, 'test').mockImplementation((cmd) => {
return cmd === command;
})
const result = await instance.detect();
expect(result).toEqual(command);
}
});
});

36
tests/Query.test.js
View File

@@ -25,7 +25,7 @@ describe('ytdl Query', () => {
it('adds a random user agent when this setting is enabled', () => {
UserAgent.prototype.toString = jest.fn().mockReturnValue("agent");
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(true, null, errorHandlerMock);
const instance = instanceBuilder(true, null, errorHandlerMock, "python");
return instance.start("https://url.link", [], null).then(() => {
expect(UserAgent.prototype.toString).toBeCalledTimes(1);
expect(execa.mock.calls[0][1]).toContain("--user-agent");
@@ -34,22 +34,30 @@ describe('ytdl Query', () => {
});
it('adds the cookies argument when specified in settings', () => {
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(false, "a/path/to/cookies.txt", errorHandlerMock);
const instance = instanceBuilder(false, "a/path/to/cookies.txt", errorHandlerMock, "python");
return instance.start("https://url.link", [], null).then(() => {
expect(execa.mock.calls[0][1]).toContain("--cookies");
expect(execa.mock.calls[0][1]).toContain("a/path/to/cookies.txt");
});
});
it('uses the detected python command', () => {
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(false, null, errorHandlerMock, "python3");
return instance.start("https://url.link", [], null).then(() => {
expect(execa.mock.calls[0][0]).toEqual("python3");
expect(execa.mock.calls[0][1][0]).toEqual("a/path/to/ytdl");
});
});
it('adds the url as final argument', () => {
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(false, null, errorHandlerMock);
const instance = instanceBuilder(false, null, errorHandlerMock, "python");
return instance.start("https://url.link", [], null).then(() => {
expect(execa.mock.calls[0][1]).toContain("https://url.link");
expect(execa.mock.calls[0][1][execa.mock.calls[0][1].length - 1]).toContain("https://url.link");
});
})
it('adds the no-cache-dir as argument', () => {
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(false, null, errorHandlerMock);
const instance = instanceBuilder(false, null, errorHandlerMock, "python");
return instance.start("https://url.link", [], null).then(() => {
expect(execa.mock.calls[0][1]).toContain("--no-cache-dir");
});
@@ -62,7 +70,7 @@ describe('Query with live callback', () => {
execa.mockReturnValue(mock)
const errorHandlerMock = jest.fn();
const callbackMock = jest.fn();
const instance = instanceBuilder(false, null, errorHandlerMock);
const instance = instanceBuilder(false, null, errorHandlerMock, "python");
const result = instance.start("https://url.link", [], callbackMock);
setTimeout(() => {
instance.stop();
@@ -76,7 +84,7 @@ describe('Query with live callback', () => {
console.error = jest.fn();
const errorHandlerMock = jest.fn();
const callbackMock = jest.fn();
const instance = instanceBuilder(false, null, errorHandlerMock);
const instance = instanceBuilder(false, null, errorHandlerMock, "python");
const result = instance.start("https://url.link", [], callbackMock);
setTimeout(() => {
stderr.emit("data", "test-error");
@@ -91,7 +99,7 @@ describe('Query with live callback', () => {
const [stdout, stderr, mock] = execaMockBuilder(false);
execa.mockReturnValue(mock)
const callbackMock = jest.fn();
const instance = instanceBuilder(false, null, jest.fn());
const instance = instanceBuilder(false, null, jest.fn(), "python");
const result = instance.start("https://url.link", [], callbackMock);
setTimeout(() => {
stdout.emit("close");
@@ -103,7 +111,7 @@ describe('Query with live callback', () => {
const [stdout, stderr, mock] = execaMockBuilder(false);
execa.mockReturnValue(mock);
const callbackMock = jest.fn();
const instance = instanceBuilder(false, null, jest.fn());
const instance = instanceBuilder(false, null, jest.fn(), "python");
const result = instance.start("https://url.link", [], callbackMock);
setTimeout(() => {
stdout.emit("data", "test-data");
@@ -120,21 +128,21 @@ describe('Query without callback', () => {
it('Returns the data from the execa call', async () => {
execa.mockResolvedValue({stdout: "fake-data"});
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(true, null, errorHandlerMock);
const instance = instanceBuilder(true, null, errorHandlerMock, "python");
const result = instance.start("https://url.link", [], null)
await expect(result).resolves.toEqual("fake-data");
});
it('Returns a stringified empty object on error', async () => {
execa.mockResolvedValue(null);
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(true, null, errorHandlerMock);
const instance = instanceBuilder(true, null, errorHandlerMock, "python");
const result = instance.start("https://url.link", [], null)
await expect(result).resolves.toEqual("{}");
});
it('Checks the error on error', () => {
execa.mockResolvedValue(null);
const errorHandlerMock = jest.fn();
const instance = instanceBuilder(true, null, errorHandlerMock);
const instance = instanceBuilder(true, null, errorHandlerMock, "python");
return instance.start("https://url.link", [], null).then(() => {
expect(errorHandlerMock).toBeCalledTimes(1);
});
@@ -148,6 +156,6 @@ function execaMockBuilder(killed) {
return [stdout, stderr, mock];
}
function instanceBuilder(spoofUserAgent, cookiePath, errorHandlerMock) {
return new Query({errorHandler: {checkError: errorHandlerMock}, paths: {ytdl: "a/path/to/ytdl"}, settings: {cookiePath: cookiePath, spoofUserAgent: spoofUserAgent}}, "test__id");
function instanceBuilder(spoofUserAgent, cookiePath, errorHandlerMock, pythonCommand) {
return new Query({pythonCommand: pythonCommand, errorHandler: {checkError: errorHandlerMock}, paths: {ytdl: "a/path/to/ytdl"}, settings: {cookiePath: cookiePath, spoofUserAgent: spoofUserAgent}}, "test__id");
}