Support single-line test definitions

libexec/bats-preprocess

@@ -31,16 +31,17 @@ encode_name() {
 
 tests=()
 index=0
-pattern='^ *@test  *([^ ].*)  *\{ *$'
+pattern='^ *@test  *([^ ].*)  *\{ *(.*)$'
 
 while IFS= read -r line; do
   let index+=1
   if [[ "$line" =~ $pattern ]]; then
     quoted_name="${BASH_REMATCH[1]}"
+    body="${BASH_REMATCH[2]}"
     name="$(eval echo "$quoted_name")"
     encoded_name="$(encode_name "$name")"
     tests["${#tests[@]}"]="$encoded_name"
-    echo "${encoded_name}() { bats_test_begin ${quoted_name} ${index}"
+    echo "${encoded_name}() { bats_test_begin ${quoted_name} ${index}; ${body}"
   else
     printf "%s\n" "$line"
   fi

test/bats.bats

@@ -186,3 +186,13 @@ fixtures bats
   [ "${lines[0]}" = "This isn't TAP!" ]
   [ "${lines[1]}" = "Good day to you" ]
 }
+
+@test "single-line tests" {
+  run bats "$FIXTURE_ROOT/single_line.bats"
+  [ $status -eq 1 ]
+  [ "${lines[1]}" = "ok 1 empty" ]
+  [ "${lines[2]}" = "ok 2 passing" ]
+  [ "${lines[3]}" = "ok 3 input redirection" ]
+  [ "${lines[4]}" = "not ok 4 failing" ]
+  [ "${lines[5]}" = "# (in test file $FIXTURE_ROOT/single_line.bats, line 9)" ]
+}

test/fixtures/bats/single_line.bats

@@ -0,0 +1,9 @@
+@test "empty" { }
+
+@test "passing" { true; }
+
+@test "input redirection" { diff - <( echo hello ); } <<EOS
+hello
+EOS
+
+@test "failing" { false; }