tests in typescript

back/test/test-utils/test-attrsUtils.ts

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+import { AttrsWithEnvelope, User } from "../../interfaces/mail/attrs.interface";
+import names from "./names";
+
+interface Options {
+    subject?: string;
+    from?: User[];
+    sender?: User[];
+    replyTo?: User[];
+    to?: User[];
+    cc?: User[];
+    bcc?: User[];
+    inReplyTo?: string;
+    messageId?: string;
+    date?: string;
+    flags?: string[];
+    uid?: number;
+    modseq?: number;
+}
+
+export function generateAttrs(options: Options): AttrsWithEnvelope {
+    const attrs = {
+        "size": 42,
+        "envelope": {
+            date: "2023-03-21T15:25:42.000Z",
+            subject: options.subject ?? "subject" + randomString(10),
+            from: options.from ?? undefined,
+            sender: options.sender ?? undefined,
+            replyTo: options.replyTo ?? undefined,
+            to: options.to ?? undefined,
+            cc: options.cc ?? undefined,
+            bcc: options.bcc ?? undefined,
+            inReplyTo: options.inReplyTo ?? undefined,
+            messageId: options.messageId ?? randomString(10),
+        },
+        "date": options.date ?? new Date().toDateString(),
+        "flags": options.flags ?? [],
+        "uid": options.uid ?? randomInt(3),
+        "modseq": options.modseq ?? randomInt(7),
+        "x-gm-labels": ["\\Inbox"],
+        "x-gm-msgid": "1760991478422670209",
+        "x-gm-thrid": "1760991478422670209",
+    };
+    return attrs;
+}
+
+export function generateUsers(nb: number) {
+    const users: {user: User, id: number}[] = [];
+    for (let i = 0; i < nb; i++) {
+        users.push({
+            user: {
+                name: "",
+                mailbox: names[i],
+                host: "provider.com",
+            },
+            id: i,
+        });
+    }
+    return users;
+}
+
+function randomString(length: number): string {
+    let result = "";
+    const characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+    const charactersLength = characters.length;
+    for (let i = 0; i < length; i++) {
+        result += characters.charAt(Math.floor(Math.random() * charactersLength));
+    }
+    return result;
+}
+
+function randomInt(length: number): number {
+    return parseInt((Math.random() * Math.pow(10, length)).toFixed());
+}