test(tests2png): patch tests2png configuration to work with typescrip…

…t test cases

package.json

@@ -35,7 +35,7 @@
     "test_buildonly": "rm -rf tmp && tsc --project ./spec --pretty",
     "test": "npm run test_buildonly && npm run test_nobuild",
     "test_karma": "karma start karma.conf.js",
-    "tests2png": "mkdirp tmp/docs/img && JASMINE_CONFIG_PATH=spec/support/tests2png.json jasmine",
+    "tests2png": "mkdirp tmp/docs/img && cp -r spec/helpers/tests2png tmp/helpers/tests2png && jasmine JASMINE_CONFIG_PATH=spec/support/tests2png.json",
     "watch": "watch \"echo triggering build && npm run build_test && echo build completed\" src -d -u -w=15",
     "perf": "protractor protractor.conf.js",
     "perf_micro": "node ./perf/micro/index.js",

spec/helpers/test-helper.ts

@@ -45,6 +45,9 @@ function assertAction(done: DoneSignature, assertion: (done?: DoneSignature) =>
 }
 
 export function asDiagram(expectation: string): (expectation: string, assertion?: (done: DoneSignature) => void, timeout?: number) => void {
+  if (global.it.asDiagram) {
+    return global.it.asDiagram(expectation);
+  }
   return it;
 }
 

spec/support/tests2png.json

@@ -1,9 +1,10 @@
 {
-  "spec_dir": "spec",
+  "spec_dir": "tmp",
   "spec_files": [
     "**/*[sS]pec.js"
   ],
   "helpers": [
-    "helpers/tests2png/diagram-test-runner.js"
+    "helpers/tests2png/diagram-test-runner.js",
+    "helpers/**/*helper.js"
   ]
 }