X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=test%2FREADME;h=e0364e86652e6422c8172894d4dc16436ec06adc;hp=bde6db0c04a4979ea29ac1451e5d0e6b80b8fb50;hb=518eed1ba725c524d279e364deba1a191bbb38b2;hpb=0bbfc5ce8be91b881d9542d86aceec7e6a716e86

diff --git a/test/README b/test/README
index bde6db0c..e0364e86 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
@@ -163,12 +176,12 @@ library for your script to use.
    will generate a failure and print the difference of the two
    strings.
 
- test_expect_equal_file <output> <expected>
+ test_expect_equal_file <file1> <file2>
 
-   Identical to test_exepect_equal, except that <output> and
-   <expected> are files instead of strings.  This is a much more
-   robust method to compare formatted textual information, since it
-   also notices whitespace and closing newline differences.
+   Identical to test_exepect_equal, except that <file1> and <file2>
+   are files instead of strings.  This is a much more robust method to
+   compare formatted textual information, since it also notices
+   whitespace and closing newline differences.
 
  test_debug <script>
 
@@ -189,6 +202,14 @@ library for your script to use.
    tests that may run in the same Emacs instance.  Use `let' instead
    so the scope of the changed variables is limited to a single test.
 
+ test_emacs_expect_t <emacs-lisp-expressions>
+
+  This function executes the provided emacs lisp script within
+  emacs in a manner similar to 'test_emacs'. The expressions should
+  return the value `t' to indicate that the test has passed. If the
+  test does not return `t' then it is considered failed and all data
+  returned by the test is reported to the tester.
+
  test_done
 
    Your test script must have test_done at the end.  Its purpose