[Patch v4 2/9] test: add support for compiling and running C snippets

David Bremner david at tethera.net
Sat Mar 14 10:02:27 PDT 2015


This is to limit the copy-pasta involved in running C tests. I decided
to keep things simple and not try to provide an actual C skeleton.

The setting of LD_LIBRARY_PATH is to force using the built libnotmuch
rather than any potential system one.
---
 test/README      |  5 +++++
 test/test-lib.sh | 15 +++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/test/README b/test/README
index 81a1c82..5b40474 100644
--- a/test/README
+++ b/test/README
@@ -84,6 +84,11 @@ the tests in one of the following ways.
 	TEST_EMACS=my-special-emacs TEST_EMACSCLIENT=my-emacsclient ./emacs
 	make test TEST_EMACS=my-special-emacs TEST_EMACSCLIENT=my-emacsclient
 
+Some tests may require a c compiler. You can choose the name and flags similarly 
+to with emacs, e.g.
+
+     make test TEST_CC=gcc TEST_CFLAGS="-g -O2"
+     
 Quiet Execution
 ---------------
 
diff --git a/test/test-lib.sh b/test/test-lib.sh
index 133fbe4..c7af003 100644
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -73,6 +73,8 @@ if [[ ( -n "$TEST_EMACS" && -z "$TEST_EMACSCLIENT" ) || \
 fi
 TEST_EMACS=${TEST_EMACS:-${EMACS:-emacs}}
 TEST_EMACSCLIENT=${TEST_EMACSCLIENT:-emacsclient}
+TEST_CC=${TEST_CC:-cc}
+TEST_CFLAGS=${TEST_CFLAGS:-"-g -O0"}
 
 # Protect ourselves from common misconfiguration to export
 # CDPATH into the environment
@@ -1161,6 +1163,19 @@ test_python() {
 		| $cmd -
 }
 
+test_C() {
+    test_file="test${test_count}.c"
+    exec_file=${test_file%%.c}
+    cat > ${test_file}
+    export LD_LIBRARY_PATH=${TEST_DIRECTORY}/../lib
+    ${TEST_CC} ${TEST_CFLAGS} -I${TEST_DIRECTORY}/../lib -o ${exec_file} ${test_file} -L${TEST_DIRECTORY}/../lib/ -lnotmuch
+    echo "== stdout ==" > OUTPUT.stdout
+    echo "== stderr ==" > OUTPUT.stderr
+    ./${exec_file} "$@" 1>>OUTPUT.stdout 2>>OUTPUT.stderr
+    cat OUTPUT.stdout OUTPUT.stderr | sed "s,$(pwd),CWD," > OUTPUT
+}
+
+
 # Creates a script that counts how much time it is executed and calls
 # notmuch.  $notmuch_counter_command is set to the path to the
 # generated script.  Use notmuch_counter_value() function to get the
-- 
2.1.4



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