Add more sound function exports, and extend list library to all at or…

… above Source chapter 2 (#31)

* Add only safe test for sound grader + add sound library

* Add more functions needed for future sound mission tests, remove missing timeout_duration constant

* Update script to include sound folder

* Moved list.js higher, add list.js as a condition on source chapter number instead, update sound library exports

* Add list.js to build script

* Remove chapter check, moved util.js up to reflect dependency levels of library files

* Removed commented out lines and removed unused tone matrix

scripts/build.sh

@@ -17,6 +17,6 @@ fi
 
 yarn install --production=true
 tsc
-cd build && zip -r --exclude=*terraform* ../grader.zip index.js util.js graphics/ sound/ && cd ..
+cd build && zip -r --exclude=*terraform* ../grader.zip index.js util.js list.js graphics/ sound/ && cd ..
 zip -ur grader.zip node_modules/
 yarn install --production=false

src/__tests__/test_sounds.ts

@@ -11,7 +11,9 @@ const makeAwsEvent = awsEventFactory({
       'get_duration',
       'get_wave',
       'is_sound',
+      'letter_name_to_midi_note',
       'make_sourcesound',
+      'midi_note_to_frequency',
       'noise',
       'play',
       'sawtooth_sound',

src/index.ts

@@ -63,6 +63,8 @@ type TimeoutResult = {
 }
 
 export const runAll = async (event: AwsEvent): Promise<Output[]> => {
+  require('./util.js')
+  require('./list.js')
   if (event.library && event.library.external) {
     switch(event.library.external.name) {
       case 'TWO_DIM_RUNES': {}
@@ -78,7 +80,6 @@ export const runAll = async (event: AwsEvent): Promise<Output[]> => {
       }
     }
   }
-  require('./util.js')
   evaluateGlobals(event.library.globals)
   const stdPrg = event.studentProgram
   const promises = event.graderPrograms.map(