Testsuite: Update README about flavours

[users/jgh/exim.git] / test / README

diff --git a/test/README b/test/README
index f63c97fa4e21499b0e72e0f2face2a8bd2af664f..cdc240df0d2e0f1e81d9eb47ba6d8603d839e0e5 100644 (file)
--- a/test/README
+++ b/test/README
@@ -213,10 +213,12 @@ THE RUNTEST SCRIPT
 ------------------
 
 If you do not supply any arguments to ./runtest, it searches for an Exim
-source tree at the same level as the test suite directory. It then looks for an
-Exim binary in a "build" directory of that source tree. If there are several
-Exim source trees, it chooses the latest version of Exim. Consider the
-following example:
+source tree at the same level as the test suite directory. A source tree
+is a source tree, if it contains a build-* directory.
+
+It then looks for an Exim binary in a "build" directory of that source
+tree. If there are several Exim source trees, it chooses the latest
+version of Exim. Consider the following example:
 
   $ ls -F /source/exim
   exim-4.60/  exim-4.62/  exim-testsuite-x.xx/
@@ -260,6 +262,17 @@ There are some options for the ./runtest script itself:
             (If it turns out that most people prefer to use diff, I'll change
             the default.)
 
+  -FLAVOR <flavor>
+  -FLAVOUR <flavour>
+            This allows "overrides" for the test results. It's intended
+            use is to deal with distro specific differences in the test
+            output. The default flavour is "foo". If during the test
+            run differences between the current and the expected output
+            are found and no flavour file exists already, you may update
+            the "common" expected output or you may create a flavour
+            file. If  a flavour file already exists, any updates will go
+            into that flavour file!
+
   -KEEP     Normally, after a successful run, the test output files are
             deleted. This option prevents this. It is useful when running a
             single test, in order to look at the actual output before it is
@@ -1144,9 +1157,6 @@ fake zone files.  These are:
                     data block. The addresses that are generated are in the
                     10.250.0.0/16 network.
 
-The domain names that are handled directly by Exim, without being passed to
-fakens, are:
-
   test.again.dns    This always provokes a TRY_AGAIN response, for testing the
                     handling of temporary DNS error. If the full domain name
                     starts with digits, a delay of that many seconds occurs.
@@ -1154,10 +1164,6 @@ fakens, are:
   test.fail.dns     This always provokes a NO_RECOVERY response, for testing
                     DNS server failures.
 
-This special handling could now be done in the fakens program, but while the
-old test suite is still being used it has to be done in Exim itself, so for the
-moment it remains there.
-
 The use of gethostbyname() and its IPv6 friends is also subverted when Exim is
 running in the test harness. The test code handles a few special names
 directly; for all the others it uses DNS lookups, which are then handled as