test:Improve test behaviors when --root is used

Change add_email_corpus, emacs_deliver_message and tests to use
$TEST_DIRECTORY instead of '..'.

This improves the behavior of the usage of --root=<dir>, as the
assumption of what '..' means will usually be incorrect.

Document -root option in README and update valgrind to work with
-root.

1 files changed, 2 insertions, 2 deletions

diff --git a/test/symbol-hiding b/test/symbol-hiding
index bb555245..d0b31aec 100755
--- a/test/symbol-hiding
+++ b/test/symbol-hiding
@@ -12,13 +12,13 @@ test_description='exception symbol hiding'
 . ./test-lib.sh
 
 run_test(){
-    result=$(LD_LIBRARY_PATH=../../lib ./symbol-test 2>&1)
+    result=$(LD_LIBRARY_PATH=$TEST_DIRECTORY/../lib ./symbol-test 2>&1)
 }
 
 output="A Xapian exception occurred opening database: Couldn't stat 'fakedb/.notmuch/xapian'
 caught No chert database found at path \`./nonexistant'"
 
-g++ -o symbol-test -I../../lib ../symbol-test.cc -L../../lib -lnotmuch -lxapian
+g++ -o symbol-test -I$TEST_DIRECTORY/../lib $TEST_DIRECTORY/symbol-test.cc -L$TEST_DIRECTORY/../lib -lnotmuch -lxapian
 mkdir -p fakedb/.notmuch
 test_expect_success 'running test' run_test
 test_begin_subtest 'checking output'