diff --git a/tests/integration/actions/browse/test_workers.py b/tests/integration/actions/browse/test_workers.py
new file mode 100644
index 00000000..22f328b1
--- /dev/null
+++ b/tests/integration/actions/browse/test_workers.py
@@ -0,0 +1,19 @@
+from flexmock import flexmock
+
+from borgmatic.actions.browse import workers as module
+
+
+def test_archive_path_loaded_publish_records_complete():
+    signal = module.Archive_path_loaded(owner=flexmock(), name='Bob')
+    signal.publish(module.LOADING_DONE)
+
+    assert signal.complete
+
+
+def test_archive_path_loaded_publish_records_published_path():
+    archive_path = module.borgmatic.actions.browse.archive.Archive_path('-', 'foo/bar.txt', '')
+    signal = module.Archive_path_loaded(owner=flexmock(), name='Bob')
+    signal.publish(archive_path)
+
+    assert signal.path_hierarchy == {'foo': {'bar.txt': archive_path}}
+    assert not signal.complete
diff --git a/tests/unit/actions/browse/test_workers.py b/tests/unit/actions/browse/test_workers.py
new file mode 100644
index 00000000..cf02a14f
--- /dev/null
+++ b/tests/unit/actions/browse/test_workers.py
@@ -0,0 +1,126 @@
+import pytest
+from flexmock import flexmock
+
+from borgmatic.actions.browse import workers as module
+
+
+def test_add_repository_archives_publishes_for_each_archive():
+    flexmock(module.borgmatic.actions.browse.archive).should_receive(
+        'get_repository_archives'
+    ).and_return({'archives': [{'archive': 'foo'}, {'archive': 'bar'}]})
+    archive_loaded = flexmock()
+    archive_loaded.should_receive('publish').with_args('bar').once()  # Reversed order.
+    archive_loaded.should_receive('publish').with_args('foo').once()
+    archive_loaded.should_receive('publish').with_args(module.LOADING_DONE).once()
+
+    module.add_repository_archives.__wrapped__(
+        browse_app=flexmock(),
+        archive_loaded=archive_loaded,
+        config=flexmock(),
+        repository=flexmock(),
+    )
+
+
+def test_record_path_sets_file_path_in_filesystem_hierarchy():
+    archive_path = flexmock(path_type='-', file_path='foo/bar/baz.txt')
+    quux_path = flexmock()
+    hierarchy = {'foo': {'bar': {'quux.txt': quux_path}, 'empty': {}}}
+
+    module.record_path(
+        archive_path=archive_path, hierarchy=hierarchy, path_components=('foo', 'bar', 'baz.txt')
+    )
+
+    assert hierarchy == {
+        'foo': {'bar': {'quux.txt': quux_path, 'baz.txt': archive_path}, 'empty': {}}
+    }
+
+
+def test_record_path_sets_directory_path_in_filesystem_hierarchy():
+    archive_path = flexmock(path_type='d', file_path='foo/bar/baz')
+    quux_path = flexmock()
+    hierarchy = {'foo': {'bar': {'quux.txt': quux_path}, 'empty': {}}}
+
+    module.record_path(
+        archive_path=archive_path, hierarchy=hierarchy, path_components=('foo', 'bar', 'baz')
+    )
+
+    assert hierarchy == {'foo': {'bar': {'quux.txt': quux_path, 'baz': {}}, 'empty': {}}}
+
+
+def test_get_paths_lists_directory_contents():
+    baz_path = module.borgmatic.actions.browse.archive.Archive_path('-', 'foo/bar/baz.txt', '')
+    hierarchy = {'foo': {'bar': {'baz.txt': baz_path, 'other': {}}}, 'nope': {}}
+
+    assert tuple(module.get_paths(hierarchy, ('foo', 'bar'))) == (
+        baz_path,
+        module.borgmatic.actions.browse.archive.Archive_path('d', 'foo/bar/other', ''),
+    )
+
+
+def test_get_paths_with_full_path_components_lists_directory_contents():
+    baz_path = module.borgmatic.actions.browse.archive.Archive_path('-', 'etc/foo/bar/baz.txt', '')
+    hierarchy = {'foo': {'bar': {'baz.txt': baz_path, 'other': {}}}, 'nope': {}}
+
+    assert tuple(module.get_paths(hierarchy, ('foo', 'bar'), ('etc', 'foo', 'bar'))) == (
+        baz_path,
+        module.borgmatic.actions.browse.archive.Archive_path('d', 'etc/foo/bar/other', ''),
+    )
+
+
+def test_get_paths_lists_empty_directory_contents():
+    baz_path = module.borgmatic.actions.browse.archive.Archive_path('-', 'etc/foo/bar/baz.txt', '')
+    hierarchy = {'foo': {'bar': {'baz.txt': baz_path, 'other': {}}}, 'nope': {}}
+
+    assert (
+        tuple(module.get_paths(hierarchy, ('foo', 'bar', 'other'), ('etc', 'foo', 'bar', 'other')))
+        == ()
+    )
+
+
+def test_get_paths_with_unknown_file_raises():
+    hierarchy = {'foo': {'other': {}}}
+
+    with pytest.raises(ValueError):
+        tuple(module.get_paths(hierarchy, ('foo', 'bar.txt')))
+
+
+def test_get_paths_with_unknown_directory_raises():
+    hierarchy = {'foo': {'other': {}}}
+
+    with pytest.raises(ValueError):
+        tuple(module.get_paths(hierarchy, ('foo', 'bar', 'baz')))
+
+
+def test_load_archive_paths_publishes_for_each_archive_path():
+    flexmock(module.borgmatic.actions.browse.archive).should_receive('get_archive_paths').and_yield(
+        'foo.txt', 'bar.txt'
+    )
+    path_loaded = flexmock()
+    path_loaded.should_receive('publish').with_args('foo.txt').once()
+    path_loaded.should_receive('publish').with_args('bar.txt').once()
+    path_loaded.should_receive('publish').with_args(module.LOADING_DONE).once()
+
+    module.load_archive_paths.__wrapped__(
+        browse_app=flexmock(),
+        path_loaded=path_loaded,
+        config=flexmock(),
+        repository=flexmock(),
+        archive_name='archive',
+    )
+
+
+def test_load_file_preview_publishes_file_contents():
+    flexmock(module.borgmatic.actions.browse.archive).should_receive(
+        'get_archive_file_content'
+    ).and_return('hi')
+    file_preview_loaded = flexmock()
+    file_preview_loaded.should_receive('publish').with_args('hi').once()
+
+    module.load_file_preview.__wrapped__(
+        browse_app=flexmock(),
+        file_preview_loaded=file_preview_loaded,
+        config=flexmock(),
+        repository=flexmock(),
+        archive_name='archive',
+        file_path='foo/bar/baz.txt',
+    )