X-Git-Url: https://git.notmuchmail.org/git?a=blobdiff_plain;ds=sidebyside;f=test%2FREADME;h=e54e36b795e852e536dab96256420edbfee84368;hb=727fcd18c6a3897622582e71a2d71081e3ae40ea;hp=bde6db0c04a4979ea29ac1451e5d0e6b80b8fb50;hpb=0bbfc5ce8be91b881d9542d86aceec7e6a716e86;p=notmuch
diff --git a/test/README b/test/README
index bde6db0c..e54e36b7 100644
--- a/test/README
+++ b/test/README
@@ -6,6 +6,19 @@ When fixing bugs or enhancing notmuch, you are strongly encouraged to
add tests in this directory to cover what you are trying to fix or
enhance.
+Prerequisites
+-------------
+Some tests require external dependencies to run. Without them, they
+will be skipped, or (rarely) marked failed. Please install these, so
+that you know if you break anything.
+
+ - dtach(1)
+ - emacs(1)
+ - emacsclient(1)
+ - gdb(1)
+ - gpg(1)
+ - python(1)
+
Running Tests
-------------
The easiest way to run tests is to say "make test", (or simply run the
@@ -43,7 +56,7 @@ The following command-line options are available when running tests:
run the tests with this option in parallel.
--root=
::
- This runs the testsuites specified under a seperate directory.
+ This runs the testsuites specified under a separate directory.
However, caution is advised, as not all tests are maintained
with this relocation in mind, so some tests may behave
differently.
@@ -51,17 +64,38 @@ The following command-line options are available when running tests:
Pointing this argument at a tmpfs filesystem can improve the
speed of the test suite for some users.
+Certain tests require precomputed databases to complete. You can fetch these
+databases with
+
+ make download-test-databases
+
+If you do not download the test databases, the relevant tests will be
+skipped.
+
When invoking the test suite via "make test" any of the above options
can be specified as follows:
make test OPTIONS="--verbose"
-You can choose an emacs binary to run the tests in one of the
-following ways.
+You can choose an emacs binary (and corresponding emacsclient) to run
+the tests in one of the following ways.
+
+ TEST_EMACS=my-special-emacs TEST_EMACSCLIENT=my-emacsclient make test
+ TEST_EMACS=my-special-emacs TEST_EMACSCLIENT=my-emacsclient ./emacs
+ make test TEST_EMACS=my-special-emacs TEST_EMACSCLIENT=my-emacsclient
+
+Some tests may require a c compiler. You can choose the name and flags similarly
+to with emacs, e.g.
+
+ make test TEST_CC=gcc TEST_CFLAGS="-g -O2"
- TEST_EMACS=my-special-emacs make test
- TEST_EMACS=my-special-emacs ./emacs
- make test TEST_EMACS=my-special-emacs
+Quiet Execution
+---------------
+
+Normally, when new script starts and when test PASSes you get a message
+printed on screen. This printing can be disabled by setting the
+NOTMUCH_TEST_QUIET variable to a non-null value. Message on test
+failures and skips are still printed.
Skipping Tests
--------------
@@ -83,6 +117,13 @@ Note that some tests in the existing test suite rely on previous test
items, so you cannot arbitrarily skip any test and expect the
remaining tests to be unaffected.
+Currently we do not consider skipped tests as build failures. For
+maximum robustness, when setting up automated build processes, you
+should explicitely skip tests, rather than relying on notmuch's
+detection of missing prerequisites. In the future we may treat tests
+unable to run because of missing prerequisites, but not explicitely
+skipped by the user, as failures.
+
Writing Tests
-------------
The test script is written as a shell script. It should start with
@@ -104,7 +145,7 @@ Source 'test-lib.sh'
After assigning test_description, the test script should source
test-lib.sh like this:
- . ./test-lib.sh
+ . ./test-lib.sh || exit 1
This test harness library does the following things:
@@ -163,12 +204,19 @@ library for your script to use.
will generate a failure and print the difference of the two
strings.
- test_expect_equal_file