add endpoint to get realm filters

Author: Anupam-dagar

examples/realm.js

@@ -7,5 +7,9 @@ const config = {
 };
 
 zulip(config).then((z) => {
-  z.realm.retrieve().then(console.log);
+  z.realm.emoji().then(console.log);
+}).catch(err => console.log(err.message));
+
+zulip(config).then((z) => {
+  z.realm.filters().then(console.log);
 }).catch(err => console.log(err.message));

src/resources/realm.js

@@ -2,10 +2,14 @@ const api = require('../api');
 
 function realm(config) {
   return {
-    retrieve: (params) => {
+    emoji: (params) => {
       const url = `${config.apiURL}/realm/emoji`;
       return api(url, config, 'GET', params);
     },
+    filters: (params) => {
+      const url = `${config.apiURL}/realm/filters`;
+      return api(url, config, 'GET', params);
+    },
   };
 }
 

test/resources/realm.js

@@ -26,7 +26,31 @@ describe('Realm', () => {
       result: 'success',
     };
     const stubs = common.getStubs(validator, output);
-    realm(common.config).retrieve()
+    realm(common.config).emoji()
+      .then((data) => {
+        data.should.have.property('result', 'success');
+        common.restoreStubs(stubs);
+        done();
+      }).catch(done);
+  });
+
+  it('should fetch realm filters', (done) => {
+    const validator = (url, options) => {
+      url.should.equal(`${common.config.apiURL}/realm/filters`);
+      options.should.not.have.property('body');
+      options.method.should.be.equal('GET');
+    };
+    const output = {
+      filters: [
+        ['#(?P<id>[0-9]{2,8})',
+          'https://github.com/zulip/zulip/pull/%(id)s',
+          1],
+      ],
+      msg: '',
+      result: 'success',
+    };
+    const stubs = common.getStubs(validator, output);
+    realm(common.config).filters()
       .then((data) => {
         data.should.have.property('result', 'success');
         common.restoreStubs(stubs);