Integrate the dustjs official helpers into the test framework.

Dockerfile

@@ -10,7 +10,7 @@ RUN addgroup -S duster && adduser -S duster -G duster
 # Install LinkedIn DustJS. Installing it globally before copying in
 # the repo to avoid spamming the npm servers with every codebase
 # change.
-RUN npm install -g dustjs-linkedin
+RUN npm install -g dustjs-linkedin dustjs-helpers
 
 
 # Copy repo into duster user's directory
@@ -22,5 +22,5 @@ RUN chown -R duster:duster /home/duster/duster
 USER duster
 RUN git clean -dfxq
 RUN cargo build
-RUN npm link dustjs-linkedin
+RUN npm link dustjs-linkedin dustjs-helpers
 ENTRYPOINT ["/home/duster/duster/js/run_compliance_suite.bash"]

js/dustjs_shim.js

@@ -1,20 +1,21 @@
-var dust = require('dustjs-linkedin');
-var fs = require('fs');
-const path = require('path');
+// var dust = require("dustjs-linkedin");
+var dust = require("dustjs-helpers");
+var fs = require("fs");
+const path = require("path");
 
 var argv = process.argv.slice(2);
 if (argv.length < 1) {
   console.error("Expecting only 1 argument (a path to a template)");
   process.exit(1);
 }
-var context = JSON.parse(fs.readFileSync(0, 'utf-8'));
+var context = JSON.parse(fs.readFileSync(0, "utf-8"));
 var main_template = path.parse(argv[0])["name"];
 
 for (var i = 0, len = argv.length; i < len; ++i) {
   var filename = path.parse(argv[i])["name"];
 
   try {
-    var template_source = fs.readFileSync(argv[i], 'utf-8');
+    var template_source = fs.readFileSync(argv[i], "utf-8");
   } catch (err) {
     console.error(err);
     process.exit(1);

js/test_cases/helpers_eq/input1.json

@@ -0,0 +1,6 @@
+{
+  "str": "master",
+  "int": 7,
+  "alpha": 21,
+  "beta": "21"
+}

js/test_cases/helpers_eq/main.dust

@@ -0,0 +1,10 @@
+Testing helpers:{~n}
+str is {str}{~n}
+int is {int}{~n}
+alpha is {alpha}{~n}
+beta is {beta}{~n}
+{@eq key=str value="master"}str is equal to "master"{:else}str does not equal "master"{/eq}{~n}
+{@eq key=str value="7"}str is equal to "7"{:else}str does not equal "7"{/eq}{~n}
+{@eq key=int value="7"}int is equal to "7"{:else}int does not equal "7"{/eq}{~n}
+{@eq key=int value=7}int is equal to 7{:else}int does not equal 7{/eq}{~n}
+{@eq key=alpha value=beta}alpha is equal to beta{:else}alpha does not equal beta{/eq}{~n}