Update tests

This commit is contained in:
Ethan Lane 2024-06-19 18:08:18 +01:00
parent f315361278
commit d21a6b4dba
6 changed files with 273 additions and 207 deletions

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@ -2,8 +2,7 @@ import { Command, Option } from "commander";
import randomBunny from "./index"; import randomBunny from "./index";
import ICliOptions from "./contracts/ICliOptions"; import ICliOptions from "./contracts/ICliOptions";
import { exit } from "process"; import { exit } from "process";
import OutputHelper from "./helpers/outputHelper"; import CliHelper from "./helpers/cliHelper";
import { writeFileSync } from "fs";
const program = new Command(); const program = new Command();
@ -22,21 +21,4 @@ program.parse();
const options: ICliOptions = program.opts(); const options: ICliOptions = program.opts();
randomBunny(options.subreddit, options.sort) randomBunny(options.subreddit, options.sort)
.then((response) => { .then((response) => exit(CliHelper.Endpoint(response, options)));
if (response.IsSuccess) {
const output = OutputHelper.GenerateOutput(response, options);
if (options.o) {
writeFileSync(options.o, output);
} else {
console.log(output);
}
exit(0);
} else {
const error = response.Error!;
console.error(error.Message, error.Code);
exit(1);
}
});

25
src/helpers/cliHelper.ts Normal file
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@ -0,0 +1,25 @@
import { writeFileSync } from "fs";
import ICliOptions from "../contracts/ICliOptions";
import IReturnResult from "../contracts/IReturnResult";
import OutputHelper from "./outputHelper";
export default class CliHelper {
public static Endpoint(response: IReturnResult, options: ICliOptions): number {
if (response.IsSuccess) {
const output = OutputHelper.GenerateOutput(response, options);
if (options.o) {
writeFileSync(options.o, output);
} else {
console.log(output);
}
return 0;
} else {
const error = response.Error!;
console.error(error.Message, error.Code);
return 1;
}
}
}

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@ -1,187 +0,0 @@
import { exec } from "child_process";
import path from "path";
describe('default', () => {
test('GIVEN no options are supplied, EXPECT standard output', async () => {
const result = await cli([], '.');
const keys = result.stdout.split('\n')
.flatMap(x => x.split(' = ')[0])
.filter(x => x && x.length > 0);
const values = result.stdout.split('\n')
.flatMap(x => x.split(' = ')[1])
.filter(x => x && x.length > 0);
expect(result.code).toBe(0);
expect(keys).toStrictEqual(['Archived', 'Downvotes', 'Hidden', 'Permalink', 'Subreddit', 'Subreddit Subscribers', 'Title', 'Upvotes', 'Url']);
expect(values.length).toBe(9);
}, 5000);
test('GIVEN an error occurs, EXPECT error output', async () => {
const result = await cli(['-s', 'textonly'], '.');
expect(result.code).toBe(1);
expect(result.stderr).toBeDefined();
}, 5000);
});
describe('version', () => {
test('GIVEN -V flag is supplied, EXPECT version returned', async () => {
const result = await cli(['-V'], '.');
expect(result.code).toBe(0);
expect(result.stdout).toBe('2.2\n');
});
test('GIVEN --version is supplied, EXPECT version returned', async () => {
const result = await cli(['--version'], '.');
expect(result.code).toBe(0);
expect(result.stdout).toBe('2.2\n');
});
});
describe('help', () => {
test('GIVEN -h is supplied, EXPECT help returned', async () => {
const result = await cli(['-h'], '.');
expect(result.code).toBe(0);
expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
});
test('GIVEN --help is supplied, EXPECT help returned', async () => {
const result = await cli(['--help'], '.');
expect(result.code).toBe(0);
expect(result.stdout.split('\n')[0]).toBe('Usage: random-bunny [options]');
});
});
describe('subreddit', () => {
test('GIVEN -s is not supplied, EXPECT subreddit to be defaulted', async () => {
const result = await cli([], '.');
const subreddit = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0] == 'Subreddit')!
.split(' = ')[1];
expect(subreddit).toBe('Rabbits');
}, 5000);
test('GIVEN -s is supplied, EXPECT subreddit to be changed', async () => {
const result = await cli(['-s', 'pics'], '.');
const subreddit = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0] == 'Subreddit')!
.split(' = ')[1];
expect(subreddit).toBe('pics');
}, 5000);
test('GIVEN --subreddit is supplied, EXPECT subreddit to be changed', async () => {
const result = await cli(['--subreddit', 'pics'], '.');
const subreddit = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0] == 'Subreddit')!
.split(' = ')[1];
expect(subreddit).toBe('pics');
}, 5000);
});
describe('json', () => {
test('GIVEN -j is supplied, EXPECT output to be valid JSON', async () => {
const result = await cli(['-j'], '.');
const json = JSON.parse(result.stdout);
expect(json).toBeDefined();
}, 5000);
test('GIVEN --json is supplied, EXPECT output to be valid JSON', async () => {
const result = await cli(['--json'], '.');
const json = JSON.parse(result.stdout);
expect(json).toBeDefined();
}, 5000);
});
describe('sort', () => {
test('GIVEN --sort is not supplied, EXPECT sort to be defaulted', async () => {
const result = await cli(['-q'], '.');
const sortBy = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0] == 'Query.Sort By')!
.split(' = ')[1];
expect(sortBy).toBe('hot');
}, 5000);
test('GIVEN --sort is supplied WITH a valid input, EXPECT sort to be used', async () => {
const result = await cli(['-q', '--sort', 'new'], '.');
const sortBy = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0] == 'Query.Sort By')!
.split(' = ')[1];
expect(sortBy).toBe('new');
}, 5000);
test('GIVEN --sort is supplied WITH an invalid input, EXPECT error', async () => {
const result = await cli(['-q', '--sort', 'invalid'], '.');
expect(result.code).toBe(1);
expect(result.stderr).toBe("error: option '--sort <sort>' argument 'invalid' is invalid. Allowed choices are hot, new, top.\n");
}, 5000);
});
describe('query-metadata', () => {
test('GIVEN --query-metadata is not supplied, EXPECT no query metadata returned', async () => {
const result = await cli([], '.');
const query = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0].startsWith('Query'));
expect(query).toBeUndefined();
}, 5000);
test('GIVEN --query-metadata is supplied, EXPECT query metadata returned', async () => {
const result = await cli(['--query-metadata'], '.');
const query = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0].startsWith('Query'));
expect(query).toBeDefined();
}, 5000);
test('GIVEN -q is supplied, EXPECT query metadata returned', async () => {
const result = await cli(['-q'], '.');
const query = result.stdout.split('\n')
.find(x => x && x.length > 0 && x.split(' = ')[0].startsWith('Query'));
expect(query).toBeDefined();
}, 5000);
});
function cli(args: string[], cwd: string): Promise<cliResult> {
return new Promise(resolve => {
exec(`node ${path.resolve('./dist/cli.js')} ${args.join(' ')}`,
{ cwd },
(error, stdout, stderr) => { resolve({
code: error && error.code ? error.code : 0,
error,
stdout,
stderr });
});
});
}
interface cliResult {
code: number,
error: any,
stdout: string,
stderr: string,
}

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@ -0,0 +1,29 @@
// Jest Snapshot v1, https://goo.gl/fbAQLP
exports[`GenerateOutput EXPECT standout output to be returned 1`] = `
"Archived = false
Downvotes = 0
Hidden = false
Permalink = /r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/
Subreddit = Rabbits
Subreddit Subscribers = 654751
Title = This is my Ms Bear!
Upvotes = 17
Url = https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d"
`;
exports[`GenerateOutput GIVEN options.json is true, EXPECT output to be returned as JSON 1`] = `"{"Archived":false,"Downs":0,"Hidden":false,"Permalink":"/r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/","Subreddit":"Rabbits","SubredditSubscribers":654751,"Title":"This is my Ms Bear!","Ups":17,"Url":"https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d"}"`;
exports[`GenerateOutput GIVEN options.queryMetadata is supplied, EXPECT query metadata to be added 1`] = `
"Archived = false
Downvotes = 0
Hidden = false
Permalink = /r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/
Subreddit = Rabbits
Subreddit Subscribers = 654751
Title = This is my Ms Bear!
Upvotes = 17
Url = https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d
Query.Subreddit = rabbits
Query.Sort By = hot"
`;

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@ -0,0 +1,118 @@
import fs from "fs";
import CliHelper from "../../src/helpers/cliHelper";
import ICliOptions from "../../src/contracts/ICliOptions";
import IReturnResult from "../../src/contracts/IReturnResult";
import OutputHelper from "../../src/helpers/outputHelper";
import { ErrorCode } from "../../src/constants/ErrorCode";
describe("Endpoint", () => {
describe("GIVEN response is successful", () => {
test("GIVEN options.o is defined, EXPECT output written to file", () => {
// Arrange
const response = {
IsSuccess: true,
} as IReturnResult;
const options = {
o: "file.txt",
} as ICliOptions;
OutputHelper.GenerateOutput = jest.fn().mockReturnValue("test output");
fs.writeFileSync = jest.fn();
console.log = jest.fn();
console.error = jest.fn();
// Act
const result = CliHelper.Endpoint(response, options);
// Assert
expect(result).toBe(0);
expect(OutputHelper.GenerateOutput).toHaveBeenCalledTimes(1);
expect(OutputHelper.GenerateOutput).toHaveBeenCalledWith(response, options);
expect(fs.writeFileSync).toHaveBeenCalledTimes(1);
expect(fs.writeFileSync).toHaveBeenCalledWith("file.txt", "test output");
expect(console.log).not.toHaveBeenCalled();
expect(console.error).not.toHaveBeenCalled();
});
test("GIVEN options.o is undefined, EXPECT output logged to console", () => {
// Arrange
const response = {
IsSuccess: true,
} as IReturnResult;
const options = {
o: undefined,
} as ICliOptions;
OutputHelper.GenerateOutput = jest.fn().mockReturnValue("test output");
fs.writeFileSync = jest.fn();
console.log = jest.fn();
console.error = jest.fn();
// Act
const result = CliHelper.Endpoint(response, options);
// Assert
expect(result).toBe(0);
expect(OutputHelper.GenerateOutput).toHaveBeenCalledTimes(1);
expect(OutputHelper.GenerateOutput).toHaveBeenCalledWith(response, options);
expect(fs.writeFileSync).not.toHaveBeenCalled();
expect(console.log).toHaveBeenCalledTimes(1);
expect(console.log).toHaveBeenCalledWith("test output");
expect(console.error).not.toHaveBeenCalled();
});
});
test("GIVEN response is failure, EXPECT error logged to console", () => {
// Arrange
const response = {
IsSuccess: false,
Error: {
Message: "error message",
Code: ErrorCode.FailedToFetchReddit,
},
} as IReturnResult;
const options = {
o: "file.txt",
} as ICliOptions;
OutputHelper.GenerateOutput = jest.fn().mockReturnValue("test output");
fs.writeFileSync = jest.fn();
console.log = jest.fn();
console.error = jest.fn();
// Act
const result = CliHelper.Endpoint(response, options);
// Assert
expect(result).toBe(1);
expect(OutputHelper.GenerateOutput).not.toHaveBeenCalled();
expect(fs.writeFileSync).not.toHaveBeenCalled();
expect(console.log).not.toHaveBeenCalled();
expect(console.error).toHaveBeenCalledTimes(1);
expect(console.error).toHaveBeenCalledWith("error message", ErrorCode.FailedToFetchReddit);
});
});

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@ -0,0 +1,99 @@
import ICliOptions from "../../src/contracts/ICliOptions";
import IReturnResult from "../../src/contracts/IReturnResult";
import OutputHelper from "../../src/helpers/outputHelper";
describe("GenerateOutput", () => {
test("EXPECT standout output to be returned", () => {
// Arrange
const response = {
IsSuccess: true,
Query: {
subreddit: "rabbits",
sortBy: "hot",
},
Result: {
Archived: false,
Downs: 0,
Hidden: false,
Permalink: "/r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/",
Subreddit: "Rabbits",
SubredditSubscribers: 654751,
Title: "This is my Ms Bear!",
Ups: 17,
Url: "https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d",
},
} as IReturnResult;
const options = {} as ICliOptions;
// Act
const result = OutputHelper.GenerateOutput(response, options);
// Assert
expect(result).toMatchSnapshot();
});
test("GIVEN options.json is true, EXPECT output to be returned as JSON", () => {
// Arrange
const response = {
IsSuccess: true,
Query: {
subreddit: "rabbits",
sortBy: "hot",
},
Result: {
Archived: false,
Downs: 0,
Hidden: false,
Permalink: "/r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/",
Subreddit: "Rabbits",
SubredditSubscribers: 654751,
Title: "This is my Ms Bear!",
Ups: 17,
Url: "https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d",
},
} as IReturnResult;
const options = {
json: true,
} as ICliOptions;
// Act
const result = OutputHelper.GenerateOutput(response, options);
// Assert
expect(result).toMatchSnapshot();
});
test("GIVEN options.queryMetadata is supplied, EXPECT query metadata to be added", () => {
// Arrange
const response = {
IsSuccess: true,
Query: {
subreddit: "rabbits",
sortBy: "hot",
},
Result: {
Archived: false,
Downs: 0,
Hidden: false,
Permalink: "/r/Rabbits/comments/1dj8pbt/this_is_my_ms_bear/",
Subreddit: "Rabbits",
SubredditSubscribers: 654751,
Title: "This is my Ms Bear!",
Ups: 17,
Url: "https://preview.redd.it/d5yno653zf7d1.jpg?width=640&crop=smart&auto=webp&s=5064d1caec3c12ac2855eb57ff131d0b313d5e9d",
},
} as IReturnResult;
const options = {
queryMetadata: true,
} as ICliOptions;
// Act
const result = OutputHelper.GenerateOutput(response, options);
// Assert
expect(result).toMatchSnapshot();
});
});