Update grab.test.ts

tests/commands/epg/grab.test.ts

@@ -113,6 +113,31 @@ describe('epg:grab', () => {
     expect(output).toEqual(expected)
   })
 
+  it('can grab epg with GZIP environment variable', () => {
+    const cmd = `${ENV_VAR} GZIP=true npm run grab --- --channels=tests/__data__/input/epg_grab/sites/example2.com/example2.com.channels.xml --output="${path.resolve(
+      'tests/__data__/output/guides/guide.xml'
+    )}"`
+    const stdout = execSync(cmd, { encoding: 'utf8' })
+    if (process.env.DEBUG === 'true') console.log(cmd, stdout)
+
+    expect(content('tests/__data__/output/guides/guide.xml')).toEqual(
+      content('tests/__data__/expected/epg_grab/gzip/guide.xml')
+    )
+
+    const outputString = pako.ungzip(fs.readFileSync('tests/__data__/output/guides/guide.xml.gz'), {
+      to: 'string'
+    })
+    const expectedString = pako.ungzip(
+      fs.readFileSync('tests/__data__/expected/epg_grab/gzip/guide.xml.gz'),
+      { to: 'string' }
+    )
+
+    const output = new Set(outputString.split('\r\n'))
+    const expected = new Set(expectedString.split('\r\n'))
+
+    expect(output).toEqual(expected)
+  })
+
   it('can grab epg with gzip option enabled', () => {
     const cmd = `${ENV_VAR} npm run grab --- --channels=tests/__data__/input/epg_grab/sites/example2.com/example2.com.channels.xml --output="${path.resolve(
       'tests/__data__/output/guides/guide.xml'