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Subject[PATCH 13/14] kconfig: test: check if recursive dependencies are detected
Date
Recursive dependency should be detected and warned.  Test this.

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

scripts/kconfig/tests/warn_recursive_dep/Kconfig | 62 ++++++++++++++++++++++
.../kconfig/tests/warn_recursive_dep/__init__.py | 10 ++++
.../tests/warn_recursive_dep/expected_stderr | 33 ++++++++++++
3 files changed, 105 insertions(+)
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/Kconfig
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/__init__.py
create mode 100644 scripts/kconfig/tests/warn_recursive_dep/expected_stderr

diff --git a/scripts/kconfig/tests/warn_recursive_dep/Kconfig b/scripts/kconfig/tests/warn_recursive_dep/Kconfig
new file mode 100644
index 0000000..9ab2474
--- /dev/null
+++ b/scripts/kconfig/tests/warn_recursive_dep/Kconfig
@@ -0,0 +1,62 @@
+# depends on itself
+
+config A
+ bool "A"
+ depends on A
+
+# select itself
+
+config B
+ bool
+ select B
+
+# depends on each other
+
+config C1
+ bool "C1
+ depends on C2
+
+config C2
+ bool "C2"
+ depends on C1
+
+# depends on and select
+
+config D1
+ bool "D1"
+ depends on D2
+ select D2
+
+config D2
+ bool
+
+# depends on and imply
+# This is not recursive dependency
+
+config E1
+ bool "E1"
+ depends on E2
+ imply E2
+
+config E2
+ bool "E2"
+
+# property
+
+config F1
+ bool "F1"
+ default F2
+
+config F2
+ bool "F2"
+ depends on F1
+
+# menu
+
+menu "menu depending on its content"
+ depends on G
+
+config G
+ bool "G"
+
+endmenu
diff --git a/scripts/kconfig/tests/warn_recursive_dep/__init__.py b/scripts/kconfig/tests/warn_recursive_dep/__init__.py
new file mode 100644
index 0000000..cdf2c13
--- /dev/null
+++ b/scripts/kconfig/tests/warn_recursive_dep/__init__.py
@@ -0,0 +1,10 @@
+"""
+Warn recursive inclusion
+========================
+
+Recursive dependency should be warned.
+"""
+
+def test(conf):
+ assert conf.oldaskconfig() == 0
+ assert conf.stderr_contains('expected_stderr')
diff --git a/scripts/kconfig/tests/warn_recursive_dep/expected_stderr b/scripts/kconfig/tests/warn_recursive_dep/expected_stderr
new file mode 100644
index 0000000..ea47cae
--- /dev/null
+++ b/scripts/kconfig/tests/warn_recursive_dep/expected_stderr
@@ -0,0 +1,33 @@
+Kconfig:16:warning: multi-line strings not supported
+Kconfig:9:error: recursive dependency detected!
+Kconfig:9: symbol B is selected by B
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:3:error: recursive dependency detected!
+Kconfig:3: symbol A depends on A
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:15:error: recursive dependency detected!
+Kconfig:15: symbol C1 depends on C2
+Kconfig:19: symbol C2 depends on C1
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:30:error: recursive dependency detected!
+Kconfig:30: symbol D2 is selected by D1
+Kconfig:25: symbol D1 depends on D2
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:59:error: recursive dependency detected!
+Kconfig:59: symbol G depends on G
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
+
+Kconfig:50:error: recursive dependency detected!
+Kconfig:50: symbol F2 depends on F1
+Kconfig:48: symbol F1 default value contains F2
+For a resolution refer to Documentation/kbuild/kconfig-language.txt
+subsection "Kconfig recursive dependency limitations"
--
2.7.4
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