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File 7071-ct-Remove-documentation-for-deprecated-config.patch of Package erlang (Revision 2f50da16f5bae57615c71146be124fcc)

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From 929a906eab3e11c0f4a8994e90b36ac02e185156 Mon Sep 17 00:00:00 2001
From: Johannes Christ <jc@jchri.st>
Date: Fri, 3 Nov 2023 17:08:30 +0100
Subject: [PATCH] ct: Remove documentation for deprecated ?config

Per dcda9b507bf and review of #7806, usage of CT's `?config` macro is no
longer recommended. Replace the documentation referencing it with
`proplists:get_value`, which works the same way and can take an optional
third argument for the default return value.
---
 .../doc/src/config_file_chapter.xml           |  8 ++--
 lib/common_test/doc/src/ct.xml                | 15 +++----
 lib/common_test/doc/src/ct_suite.xml          |  3 +-
 .../doc/src/dependencies_chapter.xml          | 40 +++++++++----------
 lib/common_test/doc/src/example_chapter.xml   | 14 +++----
 .../doc/src/write_test_chapter.xml            | 11 +++--
 6 files changed, 45 insertions(+), 46 deletions(-)

diff --git a/lib/common_test/doc/src/config_file_chapter.xml b/lib/common_test/doc/src/config_file_chapter.xml
index 2d47b143c8..2ab9259dfb 100644
--- a/lib/common_test/doc/src/config_file_chapter.xml
+++ b/lib/common_test/doc/src/config_file_chapter.xml
@@ -332,7 +332,7 @@
 
 ftptest(Config) ->
 Remote = filename:join(ct:get_config(lm_directory), "loadmodX"),
- Local = filename:join(?config(priv_dir,Config), "loadmodule"),
+ Local = filename:join(proplists:get_value(priv_dir,Config), "loadmodule"),
 ok = ct_ftp:recv(ftp, Remote, Local),
 ...</pre>
 
@@ -347,7 +347,7 @@
 
 end_per_testcase(ftptest, Config) ->
 lists:foreach(fun(Handle) -> ct_ftp:close(Handle) end, 
- ?config(ftp_handles,Config)).
+ proplists:get_value(ftp_handles,Config)).
 
 ftptest() ->
 [{require,ftp_host},
@@ -355,8 +355,8 @@
 
 ftptest(Config) ->
 Remote = filename:join(ct:get_config(lm_directory), "loadmodX"),
- Local = filename:join(?config(priv_dir,Config), "loadmodule"),
- [Handle | MoreHandles] = ?config(ftp_handles,Config),
+ Local = filename:join(proplists:get_value(priv_dir,Config), "loadmodule"),
+ [Handle | MoreHandles] = proplists:get_value(ftp_handles,Config),
 ok = ct_ftp:recv(Handle, Remote, Local),
 ...</pre>
 
diff --git a/lib/common_test/doc/src/ct.xml b/lib/common_test/doc/src/ct.xml
index 0d7095db5d..613ecbd05b 100644
--- a/lib/common_test/doc/src/ct.xml
+++ b/lib/common_test/doc/src/ct.xml
@@ -43,13 +43,10 @@
 tests and basic functions for <c>Common Test</c> case issues, such as
 configuration and logging.
 
- Test Suite Support Macros 
-
- The <c>config</c> macro is defined in <c>ct.hrl</c>. This macro is
- to be used to retrieve information from the <c>Config</c> variable sent
- to all test cases. It is used with two arguments; the first is the name
- of the configuration variable to retrieve, the second is the
- <c>Config</c> variable supplied to the test case.
+ The framework stores configuration values in a property list usually named
+ <c>Config</c>. The list contains information about the test run added by the
+ framework itself and may also contain user-provided values. The configuration
+ is passed into individual test cases as well as support functions if defined.
 
 Possible configuration variables include:
 
@@ -63,6 +60,10 @@
 in the test suite.</item>
 </list>
 
+ <warning>The <c>?config</c> macro, used to receive individual config values from
+ the <c>Config</c> property list, is deprecated. Please use
+ <c>proplists:get_value/2-3</c> instead.</warning>
+
 </description>
 
 <datatypes>
diff --git a/lib/common_test/doc/src/ct_suite.xml b/lib/common_test/doc/src/ct_suite.xml
index 8e5a73143e..bb7e6b51f9 100644
--- a/lib/common_test/doc/src/ct_suite.xml
+++ b/lib/common_test/doc/src/ct_suite.xml
@@ -593,8 +593,7 @@
 	 (which also causes the test case process to terminate).
 
 	Elements from the <c>Config</c> list can, for example, be read
-	 with <c>proplists:get_value/2</c> in STDLIB
-	 (or the macro <c>?config</c> defined in <c>ct.hrl</c>).
+	 with <c>proplists:get_value/2</c> in STDLIB.
 
 	If you decide not to run the test case after all, return
 	 <c>{skip, Reason}</c>. <c>Reason</c> is then
diff --git a/lib/common_test/doc/src/dependencies_chapter.xml b/lib/common_test/doc/src/dependencies_chapter.xml
index f5d409686e..7458533984 100644
--- a/lib/common_test/doc/src/dependencies_chapter.xml
+++ b/lib/common_test/doc/src/dependencies_chapter.xml
@@ -118,8 +118,8 @@
 end_per_testcase(start_and_stop, _) ->
 ok;
 
- end_per_testcase(_, _) ->
- ServerPid = ?config(server_pid),
+ end_per_testcase(_, Config) ->
+ ServerPid = proplists:get_value(server_pid, Config),
 stop_server(ServerPid).
 
 %%% test cases...
@@ -133,12 +133,12 @@
 
 %% configuration test
 config(Config) ->
- ServerPid = ?config(server_pid, Config),
+ ServerPid = proplists:get_value(server_pid, Config),
 configure_server(ServerPid).
 
 %% test connecting and disconnecting client
 connect_and_disconnect(Config) ->
- ServerPid = ?config(server_pid, Config),
+ ServerPid = proplists:get_value(server_pid, Config),
 {ok,SessionId} = my_server:connect(ServerPid),
 ok = my_server:disconnect(ServerPid, SessionId).
 
@@ -179,18 +179,18 @@
 To save <c>Config</c> data, return tuple <c>{save_config,ConfigList}</c>
 from <c>end_per_testcase</c> or from the main test case function.
 
- To read data saved by a previous test case, use macro <c>config</c> with a 
-	<c>saved_config</c> key as follows:
+ To read data saved by a previous test case, use <c>proplists:get_value</c>
+ with a <c>saved_config</c> key as follows:
 
- <c>{Saver,ConfigList} = ?config(saved_config, Config)</c>
+ <c>{Saver,ConfigList} = proplists:get_value(saved_config, Config)</c>
 
 <c>Saver</c> (<c>atom()</c>) is the name of the previous test case (where the
-	data was saved). The <c>config</c> macro can be used to extract particular data
-	also from the recalled <c>ConfigList</c>. It is strongly recommended that 
-	<c>Saver</c> is always matched to the expected name of the saving test case. 
-	This way, problems because of restructuring of the test suite can be avoided. 
-	Also, it makes the dependency more explicit and the test suite easier to read 
- and maintain.
+ data was saved). The <c>proplists:get_value</c> function can be used to extract
+ particular data also from the recalled <c>ConfigList</c>. It is strongly
+ recommended that <c>Saver</c> is always matched to the expected name of
+ the saving test case. This way, problems because of restructuring of the
+ test suite can be avoided. Also, it makes the dependency more explicit
+ and the test suite easier to read and maintain.
 
 To pass data from one test suite to another, the same mechanism is used. The data
 	is to be saved by finction
@@ -211,9 +211,9 @@
 
 init_per_suite(Config) ->
 %% read config saved by previous test suite
- {server_a_SUITE,OldConfig} = ?config(saved_config, Config),
+ {server_a_SUITE,OldConfig} = proplists:get_value(saved_config, Config),
 %% extract server identity (comes from server_a_SUITE)
- ServerId = ?config(server_id, OldConfig),
+ ServerId = proplists:get_value(server_id, OldConfig),
 SessionId = connect_to_server(ServerId),
 [{ids,{ServerId,SessionId}} | Config].
 
@@ -226,16 +226,16 @@
 all() -> [allocate, deallocate].
 
 allocate(Config) ->
- {ServerId,SessionId} = ?config(ids, Config),
+ {ServerId,SessionId} = proplists:get_value(ids, Config),
 {ok,Handle} = allocate_resource(ServerId, SessionId),
 %% save handle for deallocation test
 NewConfig = [{handle,Handle}],
 {save_config,NewConfig}.
 
 deallocate(Config) ->
- {ServerId,SessionId} = ?config(ids, Config),
- {allocate,OldConfig} = ?config(saved_config, Config),
- Handle = ?config(handle, OldConfig),
+ {ServerId,SessionId} = proplists:get_value(ids, Config),
+ {allocate,OldConfig} = proplists:get_value(saved_config, Config),
+ Handle = proplists:get_value(handle, OldConfig),
 ok = deallocate_resource(ServerId, SessionId, Handle).</pre>
 
 To save <c>Config</c> data from a test case that is to be
@@ -245,7 +245,7 @@
 The result is that the test case is skipped with <c>Reason</c> printed to
 the log file (as described earlier) and <c>ConfigList</c> is saved 
 for the next test case. <c>ConfigList</c> can be read using 
- <c>?config(saved_config, Config)</c>, as described earlier. <c>skip_and_save</c>
+ <c>proplists:get_value(saved_config, Config)</c>, as described earlier. <c>skip_and_save</c>
 can also be returned from <c>init_per_suite</c>. In this case, the saved data can
 be read by <c>init_per_suite</c> in the suite that follows.
 </section>
diff --git a/lib/common_test/doc/src/example_chapter.xml b/lib/common_test/doc/src/example_chapter.xml
index b82d14d2d8..e355e6ae7c 100644
--- a/lib/common_test/doc/src/example_chapter.xml
+++ b/lib/common_test/doc/src/example_chapter.xml
@@ -90,7 +90,7 @@
 %% Description: Cleanup after the suite.
 %%--------------------------------------------------------------------
 end_per_suite(Config) -> 
- Ref = ?config(con_ref, Config),
+ Ref = proplists:get_value(con_ref, Config),
 db:disconnect(Ref),
 ok.
 
@@ -105,8 +105,8 @@
 %% Description: Initialization before each test case.
 %%--------------------------------------------------------------------
 init_per_testcase(Case, Config) ->
- Ref = ?config(con_ref, Config), 
- TableName = ?config(table_name, Config),
+ Ref = proplists:get_value(con_ref, Config), 
+ TableName = proplists:get_value(table_name, Config),
 ok = db:create_table(Ref, TableName, table_type(Case)),
 Config.
 
@@ -121,8 +121,8 @@
 %% Description: Cleanup after each test case.
 %%--------------------------------------------------------------------
 end_per_testcase(_Case, Config) -> 
- Ref = ?config(con_ref, Config), 
- TableName = ?config(table_name, Config),
+ Ref = proplists:get_value(con_ref, Config), 
+ TableName = proplists:get_value(table_name, Config),
 ok = db:delete_table(Ref, TableName), 
 ok. 
 
@@ -154,8 +154,8 @@
 
 
 insert_and_lookup(Key, Value, Config) ->
- Ref = ?config(con_ref, Config), 
- TableName = ?config(table_name, Config),
+ Ref = proplists:get_value(con_ref, Config), 
+ TableName = proplists:get_value(table_name, Config),
 ok = db:insert(Ref, TableName, Key, Value),
 [Value] = db:lookup(Ref, TableName, Key),
 ok = db:delete(Ref, TableName, Key),
diff --git a/lib/common_test/doc/src/write_test_chapter.xml b/lib/common_test/doc/src/write_test_chapter.xml
index 248ef317b9..d945e0a58f 100644
--- a/lib/common_test/doc/src/write_test_chapter.xml
+++ b/lib/common_test/doc/src/write_test_chapter.xml
@@ -277,10 +277,9 @@
 <seemfa marker="stdlib:proplists#get_value/2"><c>proplists:get_value/2</c></seemfa>.
 Also, or alternatively, the general <seeerl marker="stdlib:lists"><c>lists</c></seeerl>
 module contains useful functions. Normally, the only operations
- performed on <c>Config</c> is insert (adding a tuple to the head of the list)
- and lookup. <c>Common Test</c> provides a simple macro named <c>?config</c>,
- which returns a value of an item in <c>Config</c> given the key (exactly like
- <c>proplists:get_value</c>). Example: <c>PrivDir = ?config(priv_dir, Config)</c>.
+ performed on <c>Config</c> are insertion (adding a tuple to the head of the list)
+ and lookup. To look up a value in the config, <c>proplists:get_value</c> can
+ be used. For example: <c>PrivDir = proplists:get_value(priv_dir, Config)</c>.
 
 
 If the test case function crashes or exits purposely, it is considered
@@ -717,7 +716,7 @@
 The following is an example of how to return the status from a group:
 <pre>
 end_per_group(_Group, Config) ->
- Status = ?config(tc_group_result, Config),
+ Status = proplists:get_value(tc_group_result, Config),
 case proplists:get_value(failed, Status) of
 [] -> % no failed cases
 {return_group_result,ok};
@@ -733,7 +732,7 @@
 Example:
 <pre>
 end_per_group(group1, Config) ->
- Status = ?config(tc_group_result, Config),
+ Status = proplists:get_value(tc_group_result, Config),
 Failed = proplists:get_value(failed, Status),
 case lists:member({group_result,group2}, Failed) of
 true ->
-- 
2.35.3

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