test,readline: improve tab completion coverage

aduh95 · targos · commit bfe02b880851 · 2021-06-11T09:30:12.000+02:00
PR-URL: #38465 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michaël Zasso <targos@protonmail.com>
diff --git a/test/parallel/test-readline-tab-complete.js b/test/parallel/test-readline-tab-complete.js
@@ -31,23 +31,23 @@ common.skipIfDumbTerminal();
 const width = getStringWidth(char) - 1;
 
 class FakeInput extends EventEmitter {
- columns = ((width + 1) * 10 + (lineBreak ? 0 : 10)) * 3
+ columns = ((width + 1) * 10 + (lineBreak ? 0 : 10)) * 3
 
- write = common.mustCall((data) => {
- output += data;
- }, 6)
+ write = common.mustCall((data) => {
+ output += data;
+ }, 6)
 
- resume() {}
- pause() {}
- end() {}
+ resume() {}
+ pause() {}
+ end() {}
 }
 
 const fi = new FakeInput();
 const rli = new readline.Interface({
 input: fi,
 output: fi,
 terminal: true,
- completer: completer
+ completer: common.mustCallAtLeast(completer),
 });
 
 const last = '\r\nFirst group\r\n\r\n' +
@@ -68,3 +68,35 @@ common.skipIfDumbTerminal();
 rli.close();
 });
 });
+
+{
+ let output = '';
+ class FakeInput extends EventEmitter {
+ columns = 80
+
+ write = common.mustCall((data) => {
+ output += data;
+ }, 1)
+
+ resume() {}
+ pause() {}
+ end() {}
+ }
+
+ const fi = new FakeInput();
+ const rli = new readline.Interface({
+ input: fi,
+ output: fi,
+ terminal: true,
+ completer:
+ common.mustCallAtLeast((_, cb) => cb(new Error('message'))),
+ });
+
+ rli.on('line', common.mustNotCall());
+ fi.emit('data', '\t');
+ queueMicrotask(() => {
+ assert.match(output, /^Tab completion error: Error: message/);
+ output = '';
+ });
+ rli.close();
+}

-Original file line number
+Diff line change
 constwidth=getStringWidth(char)-1;
 classFakeInputextendsEventEmitter{
 -columns=((width+1)*10+(lineBreak ? 0 : 10))*3
 +columns=((width+1)*10+(lineBreak ? 0 : 10))*3
 -write=common.mustCall((data)=>{
 -output+=data;
 -},6)
 +write=common.mustCall((data)=>{
 +output+=data;
 +},6)
 -resume(){}
 -pause(){}
 -end(){}
 +resume(){}
 +pause(){}
 +end(){}
+}
 constfi=newFakeInput();
 constrli=newreadline.Interface({
 input: fi,
 output: fi,
 terminal: true,
 -completer: completer
 +completer: common.mustCallAtLeast(completer),
 });
 constlast='\r\nFirst group\r\n\r\n'+
 rli.close();
 });
 });
++
 +{
 +letoutput='';
 +classFakeInputextendsEventEmitter{
 +columns=80
++
 +write=common.mustCall((data)=>{
 +output+=data;
 +},1)
++
 +resume(){}
 +pause(){}
 +end(){}
 +}
++
 +constfi=newFakeInput();
 +constrli=newreadline.Interface({
 +input: fi,
 +output: fi,
 +terminal: true,
 +completer:
 +common.mustCallAtLeast((_,cb)=>cb(newError('message'))),
 +});
++
 +rli.on('line',common.mustNotCall());
 +fi.emit('data','\t');
 +queueMicrotask(()=>{
 +assert.match(output,/^Tabcompletionerror:Error:message/);
 +output='';
 +});
 +rli.close();
 +}