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Thunderbird has three test suites, that each test different aspects of the program. |
XPCShell tests test Thunderbird's components, without opening the user interface. Firefox also runs this type of test, and much of the information about Firefox's XPCShell tests also apply to Thunderbird.
To run an XPCShell test, or a directory of them, use mach:
mach xpcshell-test comm/mail/components/extensions/test/xpcshell
mach must point to mach. The path argument is always relative to the mozilla-central root, so include comm/ at the start.
If more than one test runs, just a summary of the results will be displayed. You can pass --verbose to get the full output if necessary.
{% hint style="info" %} You may notice a long pause when running tests for the first time after building. Mach is reindexing the tests. {% endhint %}
Like XPCShell tests, mochitests are a type of test used on Firefox. The main difference is that mochitest runs with the full UI, in the context of the main mail window.
To run a mochitest, or a directory of them, use mach:
mach mochitest mail/components/extensions/test/browser
mach must point to mach. The path argument is not relative to the mozilla-central root, it points directly at the test in the source directory.
{% hint style="info" %} You may notice a long pause when running tests for the first time after building. Mach is reindexing the tests. {% endhint %}
Mozmill is a test suite for the Thunderbird user interface. It simulates a user's actions, in a "click this button", or "enter this text" kind of way, rather than interacting directly with the program's code.
Mozmill tests are located in mail/test/mozmill, except for calendar tests (see below). You can run one test or a whole directory.
# Runs a single test.
make -C objdir/ SOLO_TEST=pref-window/test-attachments-pane.js mozmill-one
# Runs a directory of tests.
make -C objdir/ SOLO_TEST=pref-window mozmill-one
You can run these commands from anywhere, as long as the -C argument points to your objdir.