templating: fix queries contained regex with braces, fixes #432

dist/datasource-zabbix/specs/utils_specs.js

@@ -88,4 +88,54 @@ describe('Utils', () => {
       done();
     });
   });
+
+  describe('splitTemplateQuery()', () => {
+
+    // Backward compatibility
+    it('should properly split query in old format', (done) => {
+      let test_cases = [
+        {
+          query: `/alu/./tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9{2}/`,
+          expected: ['/alu/', '/tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9{2}/']
+        },
+        {
+          query: `a.b.c.d`,
+          expected: ['a', 'b', 'c', 'd']
+        }
+      ];
+
+      _.each(test_cases, test_case => {
+        let splitQuery = utils.splitTemplateQuery(test_case.query);
+        expect(splitQuery).to.eql(test_case.expected);
+      });
+      done();
+    });
+
+    it('should properly split query', (done) => {
+      let test_cases = [
+        {
+          query: `{alu}{/tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9]*/}`,
+          expected: ['alu', '/tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9]*/']
+        },
+        {
+          query: `{alu}{/tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9]{2}/}`,
+          expected: ['alu', '/tw-(nyc|que|brx|dwt|brk)-sta_(\w|\d)*-alu-[0-9]{2}/']
+        },
+        {
+          query: `{a}{b}{c}{d}`,
+          expected: ['a', 'b', 'c', 'd']
+        },
+        {
+          query: `{a}{b.c.d}`,
+          expected: ['a', 'b.c.d']
+        }
+      ];
+
+      _.each(test_cases, test_case => {
+        let splitQuery = utils.splitTemplateQuery(test_case.query);
+        expect(splitQuery).to.eql(test_case.expected);
+      });
+      done();
+    });
+  });
 });

dist/datasource-zabbix/utils.js

@@ -99,7 +99,7 @@ System.register(['lodash', 'moment'], function (_export, _context) {
    * {group}{host.com} -> [group, host.com]
    */
   function splitTemplateQuery(query) {
-    var splitPattern = /{[^{}]*}/g;
+    var splitPattern = /\{[^\{\}]*\}|\{\/.*\/\}/g;
     var split = void 0;
 
     if (isContainsBraces(query)) {
@@ -117,7 +117,8 @@ System.register(['lodash', 'moment'], function (_export, _context) {
   _export('splitTemplateQuery', splitTemplateQuery);
 
   function isContainsBraces(query) {
-    return query.includes('{') && query.includes('}');
+    var bracesPattern = /^\{.+\}$/;
+    return bracesPattern.test(query);
   }
 
   // Pattern for testing regex