Merge pull request 'test_harness' (#22) from test_harness into main

Reviewed-on: #22

foo.ld

@@ -1 +1,2 @@
-:foo
+& EXPECT "foo"
+"foo"

justfile

@@ -3,4 +3,4 @@ repl:
 	clj -X:repl
 
 build:
-	shadow-cljs release node
+	shadow-cljs release module

package.json

@@ -3,12 +3,14 @@
   "version": "0.1.0-alpha.7.9",
   "description": "A Ludus interpreter in a pure JS function.",
   "main": "target/js/ludus.js",
+  "type": "module",
   "directories": {},
   "keywords": [],
   "author": "Scott Richmond",
   "license": "GPL-3.0",
+  "files": "target/js/*",
   "devDependencies": {
-    "shadow-cljs": "^2.26.0"
-  },
-  "dependencies": {}
+    "shadow-cljs": "^2.26.0",
+    "tap": "^18.6.1"
+  }
 }

shadow-cljs.edn

@@ -8,6 +8,10 @@
          :output-to "target/js/ludus.js"
        		:exports {:run ludus.node/run}
       			:modules {:main {:entries [ludus.node]}}}
+  :module {:target :esm
+          	:output-dir "target/js"
+          	:modules {:ludus {:exports {run ludus.node/run test ludus.node/run-test}}}
+           }
 		:browser {:target :browser
           		:output-dir "target/js"
         				:asset-path "target"

src/ludus/node.cljc

@@ -64,7 +64,7 @@
 
 (defn test-run [source] (run source true))
 
-(do
+(comment
 
   (def source "
 

test/cases/if.ld

@@ -0,0 +1,7 @@
+& EXPECT (:true, :false, :true, :false)
+let true_literal = if true then :true else :false
+let false_literal = if false then :true else :false
+let truthy = if :truthy then :true else :false
+let falsy = if nil then :true else :false
+
+(true_literal, false_literal, truthy, falsy)

test/cases/list_atoms.ld

@@ -0,0 +1,2 @@
+& EXPECT [:one, 2, "three"]
+[:one, 2, "three"]

test/cases/single_float.ld

@@ -0,0 +1,2 @@
+& EXPECT 12.123
+12.123

test/cases/single_int.ld

@@ -0,0 +1,2 @@
+& EXPECT 42
+42

test/cases/single_string.ld

@@ -0,0 +1,2 @@
+& EXPECT "foo"
+"foo"

test/cases/tuple_keywords.ld

@@ -0,0 +1,2 @@
+& EXPECT (true, false, nil)
+(true, false, nil)

test/run_tests.js

@@ -0,0 +1,30 @@
+import {run} from "../target/js/ludus.js"
+import * as fs from "node:fs/promises"
+import t from "tap"
+
+const case_path = "./cases"
+const files = await fs.readdir(case_path)
+
+for (const file of files) {
+  const source = await fs.readFile(`${case_path}/${file}`, {encoding: "utf8"})
+  const first_line = source.split("\n")[0]
+  const expected = first_line.split("EXPECT")[1].trim()
+  if (expected === "PANIC") expect_panic(file, source)
+  else expect_result(file, source, expected)
+}
+
+function expect_panic(file, source) {
+  const result = run(source).errors[0]
+  t.test(`testing ${file}: EXPECT PANIC`, t => {
+    t.ok(result)
+    t.end()
+  })
+}
+
+function expect_result(file, source, expected) {
+  const result = run(source).result
+  t.test(`testing ${file}: EXPECT ${expected}, GOT ${result}`, t => {
+    t.equal(expected, result)
+    t.end()
+  }) 
+}