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Hornwitser
0066a06107
Add function to find an unused name in a directory to lib/file_ops and use it for finding an unused instance directory.
70 lines
2.6 KiB
JavaScript
70 lines
2.6 KiB
JavaScript
"use strict";
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const assert = require("assert").strict;
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const fs = require("fs-extra");
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const path = require("path");
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const libFileOps = require("@clusterio/lib/file_ops");
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describe("lib/file_ops", function() {
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let baseDir = path.join("temp", "test", "file_ops");
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async function setupTestingEnv() {
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await fs.ensureDir(path.join(baseDir, "test", "folder"));
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await fs.ensureDir(path.join(baseDir, "test", "another folder"));
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await fs.outputFile(path.join(baseDir, "test", "file.txt"), "contents");
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await fs.outputFile(path.join(baseDir, "test", "another file.txt"), "more contents");
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await fs.outputFile(path.join(baseDir, "find", "file"), "contents");
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await fs.outputFile(path.join(baseDir, "find", "file.txt"), "contents");
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await fs.outputFile(path.join(baseDir, "find", "foo-1"), "contents");
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await fs.outputFile(path.join(baseDir, "find", "foo-2"), "contents");
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await fs.outputFile(path.join(baseDir, "find", "bar-1.txt"), "contents");
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await fs.outputFile(path.join(baseDir, "find", "bar-2.txt"), "contents");
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}
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before(setupTestingEnv);
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describe("getNewestFile()", function() {
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it("returns a string in a directory with files", async function() {
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let newest = await libFileOps.getNewestFile(path.join(baseDir, "test"));
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assert.equal(typeof newest, "string");
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});
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it("returns null if all entries were filtered out", async function() {
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let newest = await libFileOps.getNewestFile(path.join(baseDir, "test"), (name) => !name.endsWith(".txt"));
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assert.equal(newest, null);
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});
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it("returns null if directory is empty", async function() {
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let newest = await libFileOps.getNewestFile(path.join(baseDir, "test", "folder"));
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assert.equal(newest, null);
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});
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});
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describe("findUnusedName()", function() {
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it("should return named unchanged if it does not exist", async function() {
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let cases = [
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[["file"], "file"],
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[["file", ".txt"], "file.txt"],
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[["file.txt", ".txt"], "file.txt"],
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];
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for (let [args, expected] of cases) {
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let actual = await libFileOps.findUnusedName(path.join(baseDir, "test", "folder"), ...args);
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assert.equal(actual, expected);
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}
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});
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it("should return changed name if it does exist", async function() {
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let cases = [
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[["file"], "file-2"],
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[["file", ".txt"], "file-2.txt"],
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[["file.txt", ".txt"], "file-2.txt"],
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[["foo-1"], "foo-3"],
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[["bar-1", ".txt"], "bar-3.txt"],
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[["bar-1.txt", ".txt"], "bar-3.txt"],
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];
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for (let [args, expected] of cases) {
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let actual = await libFileOps.findUnusedName(path.join(baseDir, "find"), ...args);
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assert.equal(actual, expected);
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}
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});
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});
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});
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