[PATCH v4 4/5] test: support testing notmuch as installed

Subject: [PATCH v4 4/5] test: support testing notmuch as installed

Date: Sun, 9 Jul 2023 11:08:26 -0300

To: notmuch@notmuchmail.org

Cc:

From: David Bremner

We put some effort into testing the built copy rather than some
installed copy. On the other hand for people like packagers, testing
the installed copy is also of interest.

When NOTMUCH_TEST_INSTALLED is set to a nonempty value, tests do not
require a built notmuch tree or running configure.

Some of the tests marked as broken when running against installed
notmuch are probably fixable.
---
 test/README                    | 17 +++++++++++++++++
 test/T000-basic.sh             |  1 +
 test/T010-help-test.sh         |  3 +++
 test/T160-json.sh              |  2 ++
 test/T240-dump-restore.sh      |  2 ++
 test/T310-emacs.sh             |  2 ++
 test/T350-crypto.sh            |  1 +
 test/T355-smime.sh             |  2 ++
 test/T360-symbol-hiding.sh     |  4 ++++
 test/T390-python.sh            |  4 ++++
 test/T391-python-cffi.sh       |  4 ++++
 test/T395-ruby.sh              |  8 ++++++--
 test/T410-argument-parsing.sh  |  4 ++++
 test/T480-hex-escaping.sh      |  4 ++++
 test/T490-parse-time-string.sh |  4 ++++
 test/T550-db-features.sh       |  4 ++++
 test/T566-lib-message.sh       |  4 ++++
 test/T592-thread-breakage.sh   |  4 ++++
 test/T710-message-id.sh        |  4 ++++
 test/T800-asan.sh              |  5 +++++
 test/T850-git.sh               |  6 ++++++
 test/export-dirs.sh            |  2 +-
 test/notmuch-test              | 12 ++++++++++--
 test/test-lib-common.sh        | 13 ++++++++++---
 test/test-lib-emacs.sh         | 12 ++++++++++--
 test/test-lib.sh               | 27 +++++++++++++++++++++------
 26 files changed, 139 insertions(+), 16 deletions(-)

diff --git a/test/README b/test/README
index 10f127cb..a81808b1 100644
--- a/test/README
+++ b/test/README
@@ -137,6 +137,23 @@ detection of missing prerequisites. In the future we may treat tests
 unable to run because of missing prerequisites, but not explicitly
 skipped by the user, as failures.
 
+Testing installed notmuch
+-------------------------
+
+Systems integrators (e.g. Linux distros) may wish to test an installed
+version of notmuch.  This can be done be running
+
+     $ NOTMUCH_TEST_INSTALLED=1 ./test/notmuch-test
+
+In this scenario the test suite does not assume a built tree, and in
+particular cannot rely on the output of 'configure'. You may want to
+set certain feature environment variables ('NOTMUCH_HAVE_*') directly
+if you know those apply to your installed notmuch). Consider also
+setting TERM=dumb if the value of TERM cannot be used (e.g. in a
+chroot with missing terminfo). Note that having a built tree may cause
+surprising/broken results for NOTMUCH_TEST_INSTALLED, so consider
+cleaning first.
+
 Writing Tests
 -------------
 The test script is written as a shell script. It is to be named as
diff --git a/test/T000-basic.sh b/test/T000-basic.sh
index a2f4d93f..642f918d 100755
--- a/test/T000-basic.sh
+++ b/test/T000-basic.sh
@@ -66,6 +66,7 @@ test_begin_subtest 'NOTMUCH_CONFIG is set and points to an existing file'
 test_expect_success 'test -f "${NOTMUCH_CONFIG}"'
 
 test_begin_subtest 'PATH is set to build directory'
+test_subtest_broken_for_installed
 test_expect_equal \
     "$(dirname ${TEST_DIRECTORY})" \
     "$(echo $PATH|cut -f1 -d: | sed -e 's,/test/valgrind/bin$,,')"
diff --git a/test/T010-help-test.sh b/test/T010-help-test.sh
index 1fbc46a2..827edc14 100755
--- a/test/T010-help-test.sh
+++ b/test/T010-help-test.sh
@@ -19,6 +19,9 @@ if [ "${NOTMUCH_HAVE_MAN-0}" = "1" ]; then
     test_begin_subtest 'notmuch help tag'
     test_expect_success 'notmuch help tag'
 else
+    if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+	test_done
+    fi
     test_begin_subtest 'notmuch --help tag (man pages not available)'
     test_expect_success 'test_must_fail notmuch --help tag >/dev/null'
 
diff --git a/test/T160-json.sh b/test/T160-json.sh
index f61c3f2d..318c9788 100755
--- a/test/T160-json.sh
+++ b/test/T160-json.sh
@@ -65,6 +65,7 @@ test_expect_equal_json "$output" "[{\"thread\": \"XXX\",
  \"tags\": [\"inbox\",
  \"unread\"]}]"
 
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" ]; then
 test_begin_subtest "Search message: json, 64-bit timestamp"
 if [ "${NOTMUCH_HAVE_64BIT_TIME_T-0}" != "1" ]; then
     test_subtest_known_broken
@@ -81,6 +82,7 @@ test_expect_equal_json "$output" "[{\"thread\": \"XXX\",
  \"query\": [\"id:$gen_msg_id\", null],
  \"tags\": [\"inbox\",
  \"unread\"]}]"
+fi # NOTMUCH_TEST_INSTALLED undefined / empty
 
 test_begin_subtest "Format version: too low"
 test_expect_code 20 "notmuch search --format-version=0 \\*"
diff --git a/test/T240-dump-restore.sh b/test/T240-dump-restore.sh
index 80939030..c3f18839 100755
--- a/test/T240-dump-restore.sh
+++ b/test/T240-dump-restore.sh
@@ -139,6 +139,7 @@ notmuch dump --output=dump-outfile-dash-inbox.actual -- from:cworth
 test_expect_equal_file dump-cworth.expected dump-outfile-dash-inbox.actual
 
 test_begin_subtest "Check for a safe set of message-ids"
+test_subtest_broken_for_installed
 notmuch search --output=messages from:cworth | sed s/^id:// > EXPECTED
 notmuch search --output=messages from:cworth | sed s/^id:// |\
 	$TEST_DIRECTORY/hex-xcode --direction=encode > OUTPUT
@@ -246,6 +247,7 @@ notmuch dump --format=batch-tag > OUTPUT.$test_count
 test_expect_equal_file EXPECTED.$test_count OUTPUT.$test_count
 
 test_begin_subtest 'format=batch-tag, checking encoded output'
+test_subtest_broken_for_installed
 NOTMUCH_DUMP_TAGS --format=batch-tag -- from:cworth |\
 	 awk "{ print \"+$enc1 +$enc2 +$enc3 -- \" \$5 }" > EXPECTED.$test_count
 NOTMUCH_DUMP_TAGS --format=batch-tag -- from:cworth > OUTPUT.$test_count
diff --git a/test/T310-emacs.sh b/test/T310-emacs.sh
index 9d0df187..d3aa2e7d 100755
--- a/test/T310-emacs.sh
+++ b/test/T310-emacs.sh
@@ -258,6 +258,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "Verify that sent messages are saved/searchable (via FCC)"
+test_subtest_broken_for_installed
 notmuch new > /dev/null
 output=$(notmuch search 'subject:"testing message sent via SMTP"' | notmuch_search_sanitize)
 test_expect_equal "$output" "thread:XXX   2000-01-01 [1/1] Notmuch Test Suite; Testing message sent via SMTP (inbox)"
@@ -350,6 +351,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "Reply within emacs"
+test_subtest_broken_for_installed
 test_emacs '(let ((message-hidden-headers ''()))
 	    (notmuch-search "subject:\"testing message sent via SMTP\"")
 	    (notmuch-test-wait)
diff --git a/test/T350-crypto.sh b/test/T350-crypto.sh
index 721cbfdd..27c0e86d 100755
--- a/test/T350-crypto.sh
+++ b/test/T350-crypto.sh
@@ -30,6 +30,7 @@ msg_file=$(notmuch search --output=files subject:signed-message-sent-via-SMTP)
 test_expect_equal_message_body sent_message "$msg_file"
 
 test_begin_subtest "signed part content-type indexing"
+test_subtest_broken_for_installed
 notmuch search mimetype:multipart/signed and mimetype:application/pgp-signature | notmuch_search_sanitize > OUTPUT
 cat <<EOF >EXPECTED
 thread:XXX   2000-01-01 [1/1] Notmuch Test Suite; test signed message 001 (inbox signed)
diff --git a/test/T355-smime.sh b/test/T355-smime.sh
index 3bd5a17e..d2118c04 100755
--- a/test/T355-smime.sh
+++ b/test/T355-smime.sh
@@ -183,6 +183,7 @@ test_begin_subtest "show PKCS#7 SignedData outputs valid JSON"
 output=$(notmuch show --format=json id:smime-onepart-signed@protected-headers.example)
 test_valid_json "$output"
 
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" ]; then
 test_begin_subtest "Verify signature on PKCS#7 SignedData message"
 if [ "${NOTMUCH_HAVE_64BIT_TIME_T-0}" != "1" ]; then
     test_subtest_known_broken
@@ -194,6 +195,7 @@ test_json_nodes <<<"$output" \
                 'expires:[0][0][0]["crypto"]["signed"]["status"][0]["expires"]=2611032858' \
                 'fingerprint:[0][0][0]["crypto"]["signed"]["status"][0]["fingerprint"]="702BA4B157F1E2B7D16B0C6A5FFC8A7DE2057DEB"' \
                 'status:[0][0][0]["crypto"]["signed"]["status"][0]["status"]="good"'
+fi # NOTMUCH_TEST_INSTALLED undefined / empty
 
 test_begin_subtest "Verify signature on PKCS#7 SignedData message signer User ID"
 if [ $NOTMUCH_GMIME_X509_CERT_VALIDITY -ne 1 ]; then
diff --git a/test/T360-symbol-hiding.sh b/test/T360-symbol-hiding.sh
index 642457bf..ff06ff69 100755
--- a/test/T360-symbol-hiding.sh
+++ b/test/T360-symbol-hiding.sh
@@ -11,6 +11,10 @@ test_description='exception symbol hiding'
 
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 test_begin_subtest 'running test' run_test
 mkdir -p ${PWD}/fakedb/.notmuch
 $TEST_DIRECTORY/symbol-test ${PWD}/fakedb ${PWD}/nonexistent 2>&1 \
diff --git a/test/T390-python.sh b/test/T390-python.sh
index 9f71ce3c..21912431 100755
--- a/test/T390-python.sh
+++ b/test/T390-python.sh
@@ -4,6 +4,10 @@ test_description="python bindings"
 
 test_require_external_prereq ${NOTMUCH_PYTHON}
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 add_email_corpus
 add_gnupg_home
 
diff --git a/test/T391-python-cffi.sh b/test/T391-python-cffi.sh
index 0ef9e0d3..0059b050 100755
--- a/test/T391-python-cffi.sh
+++ b/test/T391-python-cffi.sh
@@ -2,6 +2,10 @@
 test_description="python bindings (pytest)"
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 if [ "${NOTMUCH_HAVE_PYTHON3_CFFI-0}" = "0" -o "${NOTMUCH_HAVE_PYTHON3_PYTEST-0}" = "0" ]; then
     test_done
 fi
diff --git a/test/T395-ruby.sh b/test/T395-ruby.sh
index c066c842..ea9977f8 100755
--- a/test/T395-ruby.sh
+++ b/test/T395-ruby.sh
@@ -2,7 +2,7 @@
 test_description="ruby bindings"
 . $(dirname "$0")/test-lib.sh || exit 1
 
-if [ "${NOTMUCH_HAVE_RUBY_DEV}" = "0" ]; then
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" -a "${NOTMUCH_HAVE_RUBY_DEV}" = "0" ]; then
     test_subtest_missing_external_prereq_["ruby development files"]=t
 fi
 
@@ -15,7 +15,11 @@ test_ruby() {
 	db = Notmuch::Database.new()
 	EOF
 	cat
-    ) | $NOTMUCH_RUBY -I "$NOTMUCH_BUILDDIR/bindings/ruby"> OUTPUT
+    ) | if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+	ruby
+    else
+	$NOTMUCH_RUBY -I "$NOTMUCH_BUILDDIR/bindings/ruby"
+    fi> OUTPUT
     test_expect_equal_file EXPECTED OUTPUT
 }
 
diff --git a/test/T410-argument-parsing.sh b/test/T410-argument-parsing.sh
index d9aa8e2d..40b625fe 100755
--- a/test/T410-argument-parsing.sh
+++ b/test/T410-argument-parsing.sh
@@ -2,6 +2,10 @@
 test_description="argument parsing"
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 test_begin_subtest "sanity check"
 $TEST_DIRECTORY/arg-test pos1 --keyword=one --boolean --string=foo pos2 --int=7 --flag=one --flag=three > OUTPUT
 cat <<EOF > EXPECTED
diff --git a/test/T480-hex-escaping.sh b/test/T480-hex-escaping.sh
index b2eb80b9..8bddf3e7 100755
--- a/test/T480-hex-escaping.sh
+++ b/test/T480-hex-escaping.sh
@@ -2,6 +2,10 @@
 test_description="hex encoding and decoding"
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 test_begin_subtest "round trip"
 find $NOTMUCH_SRCDIR/test/corpora/default -type f -print | sort | xargs cat > EXPECTED
 $TEST_DIRECTORY/hex-xcode --direction=encode < EXPECTED | $TEST_DIRECTORY/hex-xcode --direction=decode > OUTPUT
diff --git a/test/T490-parse-time-string.sh b/test/T490-parse-time-string.sh
index f89755ed..3b6e48c4 100755
--- a/test/T490-parse-time-string.sh
+++ b/test/T490-parse-time-string.sh
@@ -2,6 +2,10 @@
 test_description="date/time parser module"
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 # Sanity/smoke tests for the date/time parser independent of notmuch
 
 _date () {
diff --git a/test/T550-db-features.sh b/test/T550-db-features.sh
index 9d5a9e70..3048c7c4 100755
--- a/test/T550-db-features.sh
+++ b/test/T550-db-features.sh
@@ -3,6 +3,10 @@ test_description="database version and feature compatibility"
 
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 test_begin_subtest "future database versions abort open"
 ${TEST_DIRECTORY}/make-db-version ${MAIL_DIR} 9999 ""
 output=$(notmuch search x 2>&1 | sed 's/\(database at\) .*/\1 FILENAME/')
diff --git a/test/T566-lib-message.sh b/test/T566-lib-message.sh
index 7f0e8eb0..69051937 100755
--- a/test/T566-lib-message.sh
+++ b/test/T566-lib-message.sh
@@ -3,6 +3,10 @@ test_description="API tests for notmuch_message_*"
 
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED}" ]; then
+    test_done
+fi
+
 add_email_corpus
 
 test_begin_subtest "building database"
diff --git a/test/T592-thread-breakage.sh b/test/T592-thread-breakage.sh
index 92a70e3e..2334fcaf 100755
--- a/test/T592-thread-breakage.sh
+++ b/test/T592-thread-breakage.sh
@@ -21,6 +21,10 @@ test_description='thread breakage during reindexing'
 
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 message_a () {
     mkdir -p ${MAIL_DIR}/cur
     cat > ${MAIL_DIR}/cur/a <<EOF
diff --git a/test/T710-message-id.sh b/test/T710-message-id.sh
index 5129d84c..a2d8ec71 100755
--- a/test/T710-message-id.sh
+++ b/test/T710-message-id.sh
@@ -3,6 +3,10 @@ test_description="message id parsing"
 
 . $(dirname "$0")/test-lib.sh || exit 1
 
+if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    test_done
+fi
+
 test_begin_subtest "good message ids"
 ${TEST_DIRECTORY}/message-id-parse <<EOF >OUTPUT
 <018b1a8f2d1df62e804ce88b65401304832dfbbf.1346614915.git.jani@nikula.org>
diff --git a/test/T800-asan.sh b/test/T800-asan.sh
index 7c28dc7c..3a26b77e 100755
--- a/test/T800-asan.sh
+++ b/test/T800-asan.sh
@@ -7,6 +7,11 @@ if [ "${NOTMUCH_HAVE_ASAN-0}" != "1" ]; then
     test_done
 fi
 
+if [ -n "${LD_PRELOAD-}" ]; then
+    printf "Skipping due to non-empty LD_PRELOAD\n"
+    test_done
+fi
+
 add_email_corpus
 
 TEST_CFLAGS="${TEST_CFLAGS:-} -fsanitize=address"
diff --git a/test/T850-git.sh b/test/T850-git.sh
index a063aacf..47314a1b 100755
--- a/test/T850-git.sh
+++ b/test/T850-git.sh
@@ -233,6 +233,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "invoke as nmbug sets defaults"
+test_subtest_broken_for_installed
 "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^\(prefix\|repository\)' | notmuch_dir_sanitize > OUTPUT
 cat <<EOF > EXPECTED
 prefix = notmuch::
@@ -241,6 +242,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "env variable NOTMUCH_GIT_DIR works when invoked as nmbug"
+test_subtest_broken_for_installed
 NOTMUCH_GIT_DIR=`pwd`/foo "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^repository' | notmuch_dir_sanitize > OUTPUT
 cat <<EOF > EXPECTED
 repository = CWD/foo
@@ -256,6 +258,7 @@ test_expect_equal_file EXPECTED OUTPUT
 
 
 test_begin_subtest "env variable NOTMUCH_GIT_DIR overrides config when invoked as 'nmbug'"
+test_subtest_broken_for_installed
 notmuch config set git.path `pwd`/bar
 NOTMUCH_GIT_DIR=`pwd`/remote.git  "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^repository' | notmuch_dir_sanitize > OUTPUT
 notmuch config set git.path
@@ -274,6 +277,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "env variable NOTMUCH_GIT_PREFIX works when invoked as 'nmbug'"
+test_subtest_broken_for_installed
 NOTMUCH_GIT_PREFIX=env:: "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^prefix' | notmuch_dir_sanitize > OUTPUT
 cat <<EOF > EXPECTED
 prefix = env::
@@ -281,6 +285,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "env variable NOTMUCH_GIT_PREFIX works when invoked as nmbug"
+test_subtest_broken_for_installed
 NOTMUCH_GIT_PREFIX=foo:: "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^prefix' | notmuch_dir_sanitize > OUTPUT
 cat <<EOF > EXPECTED
 prefix = foo::
@@ -288,6 +293,7 @@ EOF
 test_expect_equal_file EXPECTED OUTPUT
 
 test_begin_subtest "env variable NOTMUCH_GIT_PREFIX overrides config when invoked as 'nmbug'"
+test_subtest_broken_for_installed
 notmuch config set git.tag_prefix config::
 NOTMUCH_GIT_PREFIX=env:: "$NOTMUCH_BUILDDIR"/nmbug -ldebug status |& grep '^prefix' | notmuch_dir_sanitize > OUTPUT
 notmuch config set git.path
diff --git a/test/export-dirs.sh b/test/export-dirs.sh
index 0a048e1f..f0374387 100644
--- a/test/export-dirs.sh
+++ b/test/export-dirs.sh
@@ -24,7 +24,7 @@ find_builddir () {
 if [[ -z "${NOTMUCH_BUILDDIR}" ]]; then
 	export NOTMUCH_BUILDDIR="$(find_builddir "$(pwd)")"
 
-	if [[ -z "${NOTMUCH_BUILDDIR}" ]]; then
+	if [ -z "${NOTMUCH_BUILDDIR}"  -a "${NOTMUCH_TEST_INSTALLED-0}" = "0" ]; then
 		echo "Run tests in a subdir of built notmuch tree." >&2
 		exit 1
 	fi
diff --git a/test/notmuch-test b/test/notmuch-test
index 14747bdb..5d27e4d1 100755
--- a/test/notmuch-test
+++ b/test/notmuch-test
@@ -20,6 +20,14 @@ fi
 
 set -eu
 
+# Where to run the tests
+# XXX FIXME this code is duplicated with test-lib.sh
+if [[ -n "${NOTMUCH_BUILDDIR}" ]]; then
+    TEST_DIRECTORY=$NOTMUCH_BUILDDIR/test
+else
+    TEST_DIRECTORY=$NOTMUCH_SRCDIR/test
+fi
+
 TESTS=
 for test in ${NOTMUCH_TESTS-}; do
     TESTS="$TESTS $NOTMUCH_SRCDIR/test/$test"
@@ -80,7 +88,7 @@ for file in $TESTS
 do
     file=${file##*/} # drop leading path components
     file=${file%.sh} # drop trailing '.sh'
-    RESULT_FILES="$RESULT_FILES $NOTMUCH_BUILDDIR/test/test-results/$file"
+    RESULT_FILES="$RESULT_FILES $TEST_DIRECTORY/test-results/$file"
 done
 
 echo
@@ -94,6 +102,6 @@ if [ -n "$META_FAILURE" ]; then
 fi
 
 # Clean up
-rm -rf $NOTMUCH_BUILDDIR/test/test-results
+rm -rf $TEST_DIRECTORY/test-results
 
 exit $ev
diff --git a/test/test-lib-common.sh b/test/test-lib-common.sh
index 4d14e0b3..f5d72e12 100644
--- a/test/test-lib-common.sh
+++ b/test/test-lib-common.sh
@@ -24,7 +24,7 @@
 #
 type die >/dev/null 2>&1 || die () { echo "$@" >&2; exit 1; }
 
-if [[ -z "$NOTMUCH_SRCDIR" ]] || [[ -z "$NOTMUCH_BUILDDIR" ]]; then
+if [[ -z "$NOTMUCH_SRCDIR" ]] || [ -z "${NOTMUCH_TEST_INSTALLED-}" -a -z "$NOTMUCH_BUILDDIR" ]; then
 	echo "internal: srcdir or builddir not set" >&2
 	exit 1
 fi
@@ -61,7 +61,9 @@ LD_LIBRARY_PATH=${TEST_DIRECTORY%/*}/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
 export LD_LIBRARY_PATH
 
 # configure output
-. "$NOTMUCH_BUILDDIR/sh.config" || exit 1
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" ]; then
+   . "$NOTMUCH_BUILDDIR/sh.config" || exit 1
+fi
 
 # load OS specifics
 if [[ -e "$NOTMUCH_SRCDIR/test/test-lib-$PLATFORM.sh" ]]; then
@@ -315,7 +317,12 @@ export PATH MANPATH
 
 # Test repository
 test="tmp.$(basename "$0" .sh)"
-TMP_DIRECTORY="$TEST_DIRECTORY/$test"
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" ]; then
+    TMP_DIRECTORY="$TEST_DIRECTORY/$test"
+else
+    TMP_DIRECTORY=$(mktemp -d "${TMPDIR:-/tmp}/notmuch-$test.XXXXXX")
+fi
+
 test ! -z "$debug" || remove_tmp=$TMP_DIRECTORY
 rm -rf "$TMP_DIRECTORY" || {
 	GIT_EXIT_OK=t
diff --git a/test/test-lib-emacs.sh b/test/test-lib-emacs.sh
index ad4c4aeb..0ab58fc2 100644
--- a/test/test-lib-emacs.sh
+++ b/test/test-lib-emacs.sh
@@ -30,6 +30,7 @@ test_require_emacs () {
 # to the message and encrypting/signing.
 emacs_deliver_message () {
     local subject body smtp_dummy_pid smtp_dummy_port
+    test_subtest_broken_for_installed
     subject="$1"
     body="$2"
     shift 2
@@ -144,6 +145,13 @@ emacs_generate_script () {
 	# Construct a little test script here for the benefit of the user,
 	# (who can easily run "run_emacs" to get the same emacs environment
 	# for investigating any failures).
+    if [ -z "${NOTMUCH_TEST_INSTALLED-}" ]; then
+	find_notmuch_el='--directory "$NOTMUCH_BUILDDIR/emacs"'
+    else
+	### XXX FIXME: this should really use the installed emacs lisp files
+	find_notmuch_el='--directory "$NOTMUCH_SRCDIR/emacs"'
+    fi
+
 	cat <<EOF >"$TMP_DIRECTORY/run_emacs"
 #!/bin/sh
 export PATH=$PATH
@@ -158,8 +166,8 @@ export NOTMUCH_CONFIG=$NOTMUCH_CONFIG
 #
 # --load		Force loading of notmuch.el and test-lib.el
 
-exec ${TEST_EMACS} --quick \
-	--directory "$NOTMUCH_BUILDDIR/emacs" --load notmuch.el \
+exec ${TEST_EMACS} ${find_notmuch_el} --quick \
+	${EXTRA_DIR} --load notmuch.el \
 	--directory "$NOTMUCH_SRCDIR/test" --load test-lib.el \
 	"\$@"
 EOF
diff --git a/test/test-lib.sh b/test/test-lib.sh
index b5aa94dd..8452fba2 100644
--- a/test/test-lib.sh
+++ b/test/test-lib.sh
@@ -29,8 +29,8 @@ shopt -u xpg_echo
 # Ensure NOTMUCH_SRCDIR and NOTMUCH_BUILDDIR are set.
 . $(dirname "$0")/export-dirs.sh || exit 1
 
-# It appears that people try to run tests without building...
-if [[ ! -x "$NOTMUCH_BUILDDIR/notmuch" ]]; then
+# We need either a built tree, or a promise of an installed notmuch
+if [ -z "${NOTMUCH_TEST_INSTALLED-}" -a ! -x  "$NOTMUCH_BUILDDIR/notmuch" ]; then
 	echo >&2 'You do not seem to have built notmuch yet.'
 	exit 1
 fi
@@ -748,6 +748,12 @@ test_subtest_known_broken () {
 	test_subtest_known_broken_=t
 }
 
+test_subtest_broken_for_installed () {
+    if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+	test_subtest_known_broken_=t
+    fi
+}
+
 test_subtest_broken_for_root () {
    if [ "$EUID" = "0" ]; then
 	test_subtest_known_broken_=t
@@ -929,11 +935,16 @@ make_shim () {
 }
 
 notmuch_with_shim () {
-    local base_name shim_file
-    base_name="$1"
+    local base_name shim_file notmuch_cmd
+    if [ -n "${NOTMUCH_TEST_INSTALLED-}" ]; then
+	notmuch_cmd="notmuch"
+    else
+	notmuch_cmd="notmuch-shared"
+    fi
+    base_name=$1
     shift
     shim_file="${base_name}.so"
-    LD_PRELOAD=${LD_PRELOAD:+:$LD_PRELOAD}:./${shim_file} notmuch-shared "$@"
+    LD_PRELOAD=${LD_PRELOAD:+:$LD_PRELOAD}:./${shim_file} $notmuch_cmd "$@"
 }
 
 # Creates a script that counts how much time it is executed and calls
@@ -985,7 +996,11 @@ test_init_ () {
 
 
 # Where to run the tests
-TEST_DIRECTORY=$NOTMUCH_BUILDDIR/test
+if [[ -n "${NOTMUCH_BUILDDIR}" ]]; then
+    TEST_DIRECTORY=$NOTMUCH_BUILDDIR/test
+else
+    TEST_DIRECTORY=$NOTMUCH_SRCDIR/test
+fi
 
 . "$NOTMUCH_SRCDIR/test/test-lib-common.sh" || exit 1
 
-- 
2.40.1

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