test/lua-cli.test.js: Add some tests for -e and -E

Author: daurnimator

test/lua-cli.test.js

@@ -3,6 +3,22 @@ const child_process = require("child_process");
 
 const lua_path = require.resolve("../src/lua-cli.js");
 
+test('Ignores env var when using -E', () => new Promise((resolve) => {
+    const child = child_process.fork(lua_path, ["-E"], {
+        env: { LUA_INIT: 'print("failed")' },
+        silent: true
+    });
+    let output = ''
+    child.stdout.on('data', (data) => {
+        output += data;
+    });
+    child.on('close', (code) => {
+        expect(code).toBe(0);
+        expect(output).toBe('');
+        resolve();
+    });
+}));
+
 test('Has correct -v output', () => new Promise((resolve) => {
     const child = child_process.fork(lua_path, ["-E", "-v"], {
         silent: true
@@ -17,3 +33,34 @@ test('Has correct -v output', () => new Promise((resolve) => {
         resolve();
     });
 }));
+
+test('Runs empty script', () => new Promise((resolve) => {
+    const child = child_process.fork(lua_path, ["-E", "-e", ""], {
+        silent: true
+    });
+    let output = ''
+    child.stdout.on('data', (data) => {
+        output += data;
+    });
+    child.on('close', (code) => {
+        expect(code).toBe(0);
+        expect(output).toBe('');
+        resolve();
+    });
+}));
+
+test('Runs LUA_INIT when -E is not present', () => new Promise((resolve) => {
+    const child = child_process.fork(lua_path, ["-e", ""], {
+        env: { LUA_INIT: 'print("success")' },
+        silent: true
+    });
+    let output = ''
+    child.stdout.on('data', (data) => {
+        output += data;
+    });
+    child.on('close', (code) => {
+        expect(code).toBe(0);
+        expect(output).toBe('success\n');
+        resolve();
+    });
+}));

test/luac-cli.test.js

@@ -3,6 +3,7 @@ const child_process = require("child_process");
 
 const luac_path = require.resolve("../src/luac-cli.js");
 
+
 test('Has correct -v output', () => new Promise((resolve) => {
     const child = child_process.fork(luac_path, ["-v"], {
         silent: true