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import { Repository } from "server/src/git/repository";
import { Tree } from "server/src/git/tree";
import { BaseTreeEntry, BlobTreeEntry, TreeEntry } from "server/src/git/tree_entry";
import { ServerError } from "server/src/git/error";
import { EnvironmentVariables } from "../util";
import { extract, Headers } from "tar-stream";
const env = process.env as EnvironmentVariables;
describe("Tree", () => {
describe("Class methods", () => {
it("Should get the tree of a repository", async() => {
expect.assertions(2);
const tree = await Tree.ofRepository(await Repository.open(env.GIT_DIR, env.AVAIL_REPO));
expect(tree).toBeDefined();
expect(tree).toBeInstanceOf(Tree);
});
});
describe("Instance methods", () => {
let tree: Tree;
beforeAll(async() => {
tree = await Tree.ofRepository(await Repository.open(env.GIT_DIR, env.AVAIL_REPO));
});
it("Should get the entries", () => {
expect.hasAssertions();
const entries = tree.entries();
expect(entries).toBeDefined();
for(const entry of entries) {
expect(entry).toBeDefined();
expect(entry).toBeInstanceOf(BaseTreeEntry);
}
});
it("Should return the entry of a path", async() => {
expect.assertions(2);
const entry = await tree.find("packages/server");
expect(entry).toBeDefined();
expect(entry).toBeInstanceOf(TreeEntry);
});
it("Should fail to return the entry of a nonexistent path", async() => {
expect.assertions(1);
await expect(tree.find("dependencies/libstd++")).rejects.toBeInstanceOf(ServerError);
});
it("Should find out if an existent path exists and return true", async() => {
expect.assertions(1);
await expect(tree.findExists("packages/api/package.json")).resolves.toBeTruthy();
});
it("Should find out if a nonexistent path exists and return false", async() => {
expect.assertions(1);
await expect(tree.findExists("packages/core/main.js")).resolves.toBeFalsy();
});
it("Should create an archive", async() => {
const archive = await tree.createArchive();
expect(archive).toBeDefined();
const extract_archive = extract();
archive.pipe(extract_archive);
type Entry = {
header: Headers,
content: Buffer[]
};
// Extract the archive entries to an array of entries
const entries = await new Promise((resolve: (value: Entry[]) => void) => {
const entries: Entry[] = [];
extract_archive.on("finish", () => {
resolve(entries);
});
extract_archive.on("entry", (header, stream, next) => {
const content: Buffer[] = [];
stream.on("data", (chunk: Buffer) => {
content.push(chunk);
});
stream.on("end", async() => {
entries.push({ header, content });
next();
});
stream.resume();
});
});
expect(entries).toBeDefined();
expect(entries.length).toBeGreaterThan(1);
for(const entry of entries) {
expect(entry).toBeDefined();
expect(entry.content).toBeDefined();
const content = entry.content.join().toString();
// Get the file content directly
const tree_entry = await tree.find(entry.header.name.split("/").slice(1).join("/")) as BlobTreeEntry;
const file_content = await (await tree_entry.blob()).content();
expect(content).toEqual(file_content);
}
});
});
});
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