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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
const { PromiseTestUtils } = ChromeUtils.importESModule(
);
const CRLF = "\r\n";
// Two well-formed sources, one with a Date: header and one without. Both reach
// the header/body separator, so both must be stored regardless of the date.
const VALID_SOURCES = {
"a complete message":
[
"From: alice@example.invalid",
"To: bob@example.invalid",
"Subject: A complete message",
"Date: Wed, 10 Jun 2026 12:00:00 +0000",
"Message-ID: <complete@example.invalid>",
"",
"Body text.",
].join(CRLF) + CRLF,
"a complete message without a Date header":
[
"From: alice@example.invalid",
"To: bob@example.invalid",
"Subject: A complete message without a Date header",
"Message-ID: <nodate@example.invalid>",
"",
"Body text.",
].join(CRLF) + CRLF,
};
// The truncated entry carries a valid Date: but still has no header/body
// separator, proving the separator (not the date) is what decides storage.
const INCOMPLETE_SOURCES = {
"an empty file": "",
"a body with no headers": "Loose text with no headers at all." + CRLF,
"headers truncated before the separator":
[
"From: alice@example.invalid",
"To: bob@example.invalid",
"Subject: Cut off mid-transfer",
"Date: Wed, 10 Jun 2026 12:00:00 +0000",
"Message-ID: <truncated@example.invalid>",
].join(CRLF) + CRLF,
};
async function writeTempFile(name, contents) {
const file = Services.dirsvc.get("TmpD", Ci.nsIFile);
file.append(name);
if (file.exists()) {
file.remove(false);
}
await IOUtils.writeUTF8(file.path, contents);
return file;
}
async function copyFileInto(subName, contents) {
const dest = localAccountUtils.rootFolder.createLocalSubfolder(subName);
const file = await writeTempFile(`${subName}.eml`, contents);
const listener = new PromiseTestUtils.PromiseCopyListener();
try {
MailServices.copy.copyFileMessage(
file,
dest,
null,
false,
0,
"",
listener,
null
);
await listener.promise;
} catch (ex) {
// A rejected copy is an acceptable outcome; only a stored phantom is not.
info(`copyFileMessage rejected (acceptable): ${ex}`);
}
return dest;
}
async function withLocalAccount(store, body) {
Services.prefs.setCharPref("mail.serverDefaultStoreContractID", store);
localAccountUtils.loadLocalMailAccount();
try {
await body();
} finally {
localAccountUtils.clearAll();
}
}
add_task(async function test_validSourcesAreStored() {
for (const store of localAccountUtils.pluggableStores) {
await withLocalAccount(store, async () => {
for (const [description, contents] of Object.entries(VALID_SOURCES)) {
const dest = await copyFileInto(`valid-${description}`, contents);
Assert.equal(
dest.getTotalMessages(false),
1,
`${description} is stored as exactly one message (${store})`
);
}
});
}
});
add_task(async function test_incompleteSourcesAreNotStored() {
for (const store of localAccountUtils.pluggableStores) {
await withLocalAccount(store, async () => {
for (const [description, contents] of Object.entries(
INCOMPLETE_SOURCES
)) {
const dest = await copyFileInto(`incomplete-${description}`, contents);
Assert.equal(
dest.getTotalMessages(false),
0,
`${description} is not a message and must not be stored (${store})`
);
}
});
}
});