[Buildroot] [PATCH 11/11] support/testing/tests: add test for file overwrite detection

[Thomas Petazzoni]

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 .gitlab-ci.yml                                |  2 +
 .../br2-external/detect-overwrite/Config.in   |  1 +
 .../detect-overwrite/external.desc            |  1 +
 .../br2-external/detect-overwrite/external.mk |  1 +
 .../package/detect-overwrite/Config.in        |  5 ++
 .../detect-overwrite/detect-overwrite.mk      | 19 ++++++++
 .../testing/tests/core/test_file_overwrite.py | 47 +++++++++++++++++++
 7 files changed, 76 insertions(+)
 create mode 100644 support/testing/tests/core/br2-external/detect-overwrite/Config.in
 create mode 100644 support/testing/tests/core/br2-external/detect-overwrite/external.desc
 create mode 100644 support/testing/tests/core/br2-external/detect-overwrite/external.mk
 create mode 100644 support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/Config.in
 create mode 100644 support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/detect-overwrite.mk
 create mode 100644 support/testing/tests/core/test_file_overwrite.py

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dd69fb9d50..64266d8783 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -356,6 +356,8 @@ tests.boot.test_syslinux.TestSysLinuxX86_64EFI: { extends: .runtime_test }
 tests.boot.test_syslinux.TestSysLinuxX86_64LegacyBios: { extends: .runtime_test }
 tests.core.test_bad_arch.DetectBadArchTest: { extends: .runtime_test }
 tests.core.test_file_capabilities.TestFileCapabilities: { extends: .runtime_test }
+tests.core.test_file_overwrite.DetectHostFileOverwriteTest: { extends: .runtime_test }
+tests.core.test_file_overwrite.DetectTargetFileOverwriteTest: { extends: .runtime_test }
 tests.core.test_hardening.TestFortifyConserv: { extends: .runtime_test }
 tests.core.test_hardening.TestFortifyNone: { extends: .runtime_test }
 tests.core.test_hardening.TestRelro: { extends: .runtime_test }
diff --git a/support/testing/tests/core/br2-external/detect-overwrite/Config.in b/support/testing/tests/core/br2-external/detect-overwrite/Config.in
new file mode 100644
index 0000000000..b5514510bd
--- /dev/null
+++ b/support/testing/tests/core/br2-external/detect-overwrite/Config.in
@@ -0,0 +1 @@
+source "$BR2_EXTERNAL_DETECT_OVERWRITE_PATH/package/detect-overwrite/Config.in"
diff --git a/support/testing/tests/core/br2-external/detect-overwrite/external.desc b/support/testing/tests/core/br2-external/detect-overwrite/external.desc
new file mode 100644
index 0000000000..6fedc276e8
--- /dev/null
+++ b/support/testing/tests/core/br2-external/detect-overwrite/external.desc
@@ -0,0 +1 @@
+name: DETECT_OVERWRITE
diff --git a/support/testing/tests/core/br2-external/detect-overwrite/external.mk b/support/testing/tests/core/br2-external/detect-overwrite/external.mk
new file mode 100644
index 0000000000..90927b33ef
--- /dev/null
+++ b/support/testing/tests/core/br2-external/detect-overwrite/external.mk
@@ -0,0 +1 @@
+include $(sort $(wildcard $(BR2_EXTERNAL_DETECT_OVERWRITE_PATH)/package/*/*.mk))
diff --git a/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/Config.in b/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/Config.in
new file mode 100644
index 0000000000..fff8b0320f
--- /dev/null
+++ b/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/Config.in
@@ -0,0 +1,5 @@
+config BR2_PACKAGE_DETECT_OVERWRITE
+	bool "detect-overwrite"
+
+config BR2_PACKAGE_HOST_DETECT_OVERWRITE
+	bool "host-detect-overwrite"
diff --git a/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/detect-overwrite.mk b/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/detect-overwrite.mk
new file mode 100644
index 0000000000..c6df2a339d
--- /dev/null
+++ b/support/testing/tests/core/br2-external/detect-overwrite/package/detect-overwrite/detect-overwrite.mk
@@ -0,0 +1,19 @@
+################################################################################
+#
+# detect-overwrite
+#
+################################################################################
+
+define DETECT_OVERWRITE_INSTALL_TARGET_CMDS
+	grep -q "^foo" $(TARGET_DIR)/etc/passwd || \
+		echo "foo" >> $(TARGET_DIR)/etc/passwd
+endef
+
+HOST_DETECT_OVERWRITE_DEPENDENCIES = host-pkgconf
+
+define HOST_DETECT_OVERWRITE_INSTALL_CMDS
+	$(SED) 's/manipulating/tweaking/' $(HOST_DIR)/lib/pkgconfig/libpkgconf.pc
+endef
+
+$(eval $(generic-package))
+$(eval $(host-generic-package))
diff --git a/support/testing/tests/core/test_file_overwrite.py b/support/testing/tests/core/test_file_overwrite.py
new file mode 100644
index 0000000000..526ed55e43
--- /dev/null
+++ b/support/testing/tests/core/test_file_overwrite.py
@@ -0,0 +1,47 @@
+import infra
+import infra.basetest
+import subprocess
+
+
+class DetectTargetFileOverwriteTest(infra.basetest.BRConfigTest):
+    config = \
+        infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        infra.basetest.MINIMAL_CONFIG + \
+        """
+        BR2_PER_PACKAGE_DIRECTORIES=y
+        BR2_PACKAGE_DETECT_OVERWRITE=y
+        """
+    br2_external = [infra.filepath("tests/core/br2-external/detect-overwrite")]
+
+    def test_run(self):
+        with self.assertRaises(SystemError):
+            self.b.build()
+        logf_path = infra.log_file_path(self.b.builddir, "build",
+                                        infra.basetest.BRConfigTest.logtofile)
+        if logf_path:
+            s = './etc/passwd: FAILED'
+            logf = open(logf_path, "r")
+            ret = subprocess.call(["grep", "-q", s], stdin=logf)
+            self.assertEqual(ret, 0)
+
+
+class DetectHostFileOverwriteTest(infra.basetest.BRConfigTest):
+    config = \
+        infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        infra.basetest.MINIMAL_CONFIG + \
+        """
+        BR2_PER_PACKAGE_DIRECTORIES=y
+        BR2_PACKAGE_HOST_DETECT_OVERWRITE=y
+        """
+    br2_external = [infra.filepath("tests/core/br2-external/detect-overwrite")]
+
+    def test_run(self):
+        with self.assertRaises(SystemError):
+            self.b.build()
+        logf_path = infra.log_file_path(self.b.builddir, "build",
+                                        infra.basetest.BRConfigTest.logtofile)
+        if logf_path:
+            s = './lib/pkgconfig/libpkgconf.pc: FAILED'
+            logf = open(logf_path, "r")
+            ret = subprocess.call(["grep", "-q", s], stdin=logf)
+            self.assertEqual(ret, 0)
-- 
2.25.4