lib/parse-sexp: parse single terms and the empty list.

There is not much of a parser here yet, but it already does some
useful error reporting. Most functionality sketched in the
documentation is not implemented yet; detailed documentation will
follow with the implementation.

2 files changed, 65 insertions, 7 deletions

diff --git a/test/T080-search.sh b/test/T080-search.sh
index 9bda1eb9..a3f0dead 100755
--- a/test/T080-search.sh
+++ b/test/T080-search.sh
@@ -189,11 +189,4 @@ test_begin_subtest "parts do not have adjacent term positions"
 output=$(notmuch search id:termpos and '"c x"')
 test_expect_equal "$output" ""
 
-if [[ NOTMUCH_HAVE_SFSEXP = 1 ]]; then
-    test_begin_subtest "sexpr query: all messages"
-    notmuch search '*' > EXPECTED
-    notmuch search --query=sexp '()' > OUTPUT
-    test_expect_equal_file EXPECTED OUTPUT
-fi
-
 test_done
diff --git a/test/T081-sexpr-search.sh b/test/T081-sexpr-search.sh
new file mode 100755
index 00000000..46cc712c
--- /dev/null
+++ b/test/T081-sexpr-search.sh
@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+test_description='"notmuch search" in several variations'
+. $(dirname "$0")/test-lib.sh || exit 1
+
+if [ $NOTMUCH_HAVE_SFSEXP -ne 1 ]; then
+    printf "Skipping due to missing sfsexp library\n"
+    test_done
+fi
+
+add_email_corpus
+
+test_begin_subtest "all messages: ()"
+notmuch search '*' > EXPECTED
+notmuch search --query=sexp "()" > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "single term in body"
+notmuch search --query=sexp 'wizard' | notmuch_search_sanitize>OUTPUT
+cat <<EOF > EXPECTED
+thread:XXX   2009-11-18 [1/3] Carl Worth| Jan Janak; [notmuch] What a great idea! (inbox unread)
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "single term in body (case insensitive)"
+notmuch search --query=sexp 'Wizard' | notmuch_search_sanitize>OUTPUT
+cat <<EOF > EXPECTED
+thread:XXX   2009-11-18 [1/3] Carl Worth| Jan Janak; [notmuch] What a great idea! (inbox unread)
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "single term in body, stemmed version"
+test_subtest_known_broken
+notmuch search arriv > EXPECTED
+notmuch search --query=sexp arriv > OUTPUT
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "Unbalanced parens"
+# A code 1 indicates the error was handled (a crash will return e.g. 139).
+test_expect_code 1 "notmuch search --query=sexp '('"
+
+test_begin_subtest "Unbalanced parens, error message"
+notmuch search --query=sexp '(' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+invalid s-expression: '('
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "unknown prefix"
+notmuch search --query=sexp '(foo)' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+unknown prefix 'foo'
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "list as prefix"
+notmuch search --query=sexp '((foo))' >OUTPUT 2>&1
+cat <<EOF > EXPECTED
+notmuch search: Syntax error in query
+unexpected list in field/operation position
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
+test_done