Add multiword search in step and fixture docs

lib/tools.js

@@ -18,8 +18,6 @@ var d = U.switchColor();
 var self = module.exports;
 
 self.listSteps = filter => {
-    filter = filter || "";
-
     global.SS || load();
 
     var steps = [];
@@ -43,8 +41,8 @@ self.listSteps = filter => {
         if (!util.isFunction(func)) continue;
 
         var doc = getDoc(func);
-        if (!(s.toLowerCase().includes(filter) ||
-            (doc && doc.toLowerCase().includes(filter)))) continue;
+
+        if (!(contains(s, filter) || contains(doc, filter))) continue;
 
         console.log(d(`${++i}. ${s}:`));
         console.log(d(`  ${func.toString().split("{")[0]}{...}`));
@@ -80,8 +78,6 @@ self.listTests = filter => {
 };
 
 self.listFixtures = filter => {
-    filter = filter || "";
-
     load();
 
     var i = 0;
@@ -90,8 +86,7 @@ self.listFixtures = filter => {
 
         var doc = getDoc(global[fx]);
 
-        if (!(fx.toLowerCase().includes(filter) ||
-            (doc && doc.toLowerCase().includes(filter)))) continue;
+        if (!(contains(fx, filter) || contains(doc, filter))) continue;
 
         console.log(d(`${++i}. ${fx}`));
 
@@ -106,6 +101,19 @@ self.listFixtures = filter => {
     };
 };
 
+var contains = (string, filter) => {
+    if (!string) return false;
+    if (!filter) return true;
+
+    string = string.toLowerCase();
+    filter = filter.split(/ +/g);
+
+    for (var f of filter) {
+        if (!string.includes(f)) return false;
+    };
+    return true;
+};
+
 var getDoc = func => {
     return func
         .__doc__