linux-kernel - [PATCH 14/14] kconfig: test: check if recursive inclusion is detected

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Date:   Tue,  6 Feb 2018 09:34:54 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-kbuild@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nicolas Pitre <nicolas.pitre@...aro.org>,
        "Luis R . Rodriguez" <mcgrof@...e.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ulf Magnusson <ulfalizer@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 14/14] kconfig: test: check if recursive inclusion is detected

If recursive inclusion is detected, it should fail with error messages.
Test this.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 scripts/kconfig/tests/err_recursive_inc/Kconfig         |  1 +
 scripts/kconfig/tests/err_recursive_inc/Kconfig.inc     |  1 +
 scripts/kconfig/tests/err_recursive_inc/__init__.py     | 10 ++++++++++
 scripts/kconfig/tests/err_recursive_inc/expected_stderr |  4 ++++
 4 files changed, 16 insertions(+)
 create mode 100644 scripts/kconfig/tests/err_recursive_inc/Kconfig
 create mode 100644 scripts/kconfig/tests/err_recursive_inc/Kconfig.inc
 create mode 100644 scripts/kconfig/tests/err_recursive_inc/__init__.py
 create mode 100644 scripts/kconfig/tests/err_recursive_inc/expected_stderr

diff --git a/scripts/kconfig/tests/err_recursive_inc/Kconfig b/scripts/kconfig/tests/err_recursive_inc/Kconfig
new file mode 100644
index 0000000..3ce7a3f
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_inc/Kconfig
@@ -0,0 +1 @@
+source "Kconfig.inc"
diff --git a/scripts/kconfig/tests/err_recursive_inc/Kconfig.inc b/scripts/kconfig/tests/err_recursive_inc/Kconfig.inc
new file mode 100644
index 0000000..1fab1c1
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_inc/Kconfig.inc
@@ -0,0 +1 @@
+source "Kconfig"
diff --git a/scripts/kconfig/tests/err_recursive_inc/__init__.py b/scripts/kconfig/tests/err_recursive_inc/__init__.py
new file mode 100644
index 0000000..1dae64f
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_inc/__init__.py
@@ -0,0 +1,10 @@
+"""
+Detect recursive inclusion error
+================================
+
+If recursive inclusion is detected, it should fail with error messages.
+"""
+
+def test(conf):
+    assert conf.oldaskconfig() != 0
+    assert conf.stderr_contains('expected_stderr')
diff --git a/scripts/kconfig/tests/err_recursive_inc/expected_stderr b/scripts/kconfig/tests/err_recursive_inc/expected_stderr
new file mode 100644
index 0000000..b256c91
--- /dev/null
+++ b/scripts/kconfig/tests/err_recursive_inc/expected_stderr
@@ -0,0 +1,4 @@
+Kconfig:1: recursive inclusion detected. Inclusion path:
+  current file : 'Kconfig'
+  included from: 'Kconfig.inc:1'
+  included from: 'Kconfig:3'
-- 
2.7.4