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-rw-r--r--lib/common_test/doc/src/ct_hooks_chapter.xml19
1 files changed, 15 insertions, 4 deletions
diff --git a/lib/common_test/doc/src/ct_hooks_chapter.xml b/lib/common_test/doc/src/ct_hooks_chapter.xml
index fc5ab48e1b..dbb4310040 100644
--- a/lib/common_test/doc/src/ct_hooks_chapter.xml
+++ b/lib/common_test/doc/src/ct_hooks_chapter.xml
@@ -94,9 +94,11 @@
<seealso marker="common_test#Module:init_per_group-2">
init_per_group/2</seealso>. <c>CTH</c> in this case can be either
only the module name of the CTH or a tuple with the module name and the
- initial arguments to the CTH. Eg:
+ initial arguments and optionally the hook priority of the CTH. Eg:
<c>{ct_hooks,[my_cth_module]}</c> or
- <c>{ct_hooks,[{my_cth_module,[{debug,true}]}]}</c></p>
+ <c>{ct_hooks,[{my_cth_module,[{debug,true}]}]}</c> or
+ <c>{ct_hooks,[{my_cth_module,[{debug,true}],500}]}</c>
+ </p>
<section>
<title>Overriding CTHs</title>
@@ -109,7 +111,16 @@
<c>id</c> in both places, Common Test knows that this CTH
has already been installed and will not try to install it again.</p>
</section>
-
+
+ <section>
+ <title>CTH Priority</title>
+ <p>By default each CTH installed will be executed in the order which
+ they are installed. This is not always wanted so common_test allows
+ the user to specify a priority for each hook. The priority can either
+ be specified in the CTH <seealso marker="ct_hooks#Module:init-2">init/2
+ </seealso> function or when installing the hook. The priority given at
+ installation will override the priority returned by the CTH. </p>
+ </section>
</section>
<marker id="scope"/>
@@ -331,7 +342,7 @@ id(Opts) ->
%% any common state.
init(Id, Opts) ->
{ok,D} = file:open(Id,[write]),
- #state{ file_handle = D, total = 0, data = [] }.
+ {ok, #state{ file_handle = D, total = 0, data = [] }}.
%% @doc Called before init_per_suite is called.
pre_init_per_suite(Suite,Config,State) ->