+
+ test "use ownership and permission links to determine which logs a user can see" do
+ known_logs = [:noop,
+ :admin_changes_repository2,
+ :admin_changes_specimen,
+ :system_adds_foo_file,
+ :system_adds_baz,
+ :log_owned_by_active,
+ :crunchstat_for_running_job]
+
+ c = Log.readable_by(users(:admin)).order("id asc").each.to_a
+ assert_log_result c, known_logs, known_logs
+
+ c = Log.readable_by(users(:active)).order("id asc").each.to_a
+ assert_log_result c, known_logs, [:admin_changes_repository2, # owned by active
+ :system_adds_foo_file, # readable via link
+ :system_adds_baz, # readable via 'all users' group
+ :log_owned_by_active, # log owned by active
+ :crunchstat_for_running_job] # log & job owned by active
+
+ c = Log.readable_by(users(:spectator)).order("id asc").each.to_a
+ assert_log_result c, known_logs, [:admin_changes_specimen, # owned by spectator
+ :system_adds_baz] # readable via 'all users' group
+ end
+
+ def assert_log_result result, known_logs, expected_logs
+ # All of expected_logs must appear in result. Additional logs can
+ # appear too, but only if they are _not_ listed in known_logs
+ # (i.e., we do not make any assertions about logs not mentioned in
+ # either "known" or "expected".)
+ result_ids = result.collect &:id
+ expected_logs.each do |want|
+ assert_includes result_ids, logs(want).id
+ end
+ (known_logs - expected_logs).each do |notwant|
+ refute_includes result_ids, logs(notwant).id
+ end
+ end