Pochatkin commented on code in PR #943: URL: https://github.com/apache/ignite-3/pull/943#discussion_r924490922
########## modules/cli/src/test/java/org/apache/ignite/cli/commands/flow/FlowTest.java: ########## @@ -0,0 +1,98 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.ignite.cli.commands.flow; + +import io.micronaut.test.extensions.junit5.annotation.MicronautTest; +import java.io.FileDescriptor; +import java.io.FileOutputStream; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; +import java.util.List; +import org.apache.ignite.cli.core.flow.Flow; +import org.apache.ignite.cli.core.flow.Flowable; +import org.apache.ignite.cli.core.flow.Flows; +import org.apache.ignite.cli.core.flow.question.JlineQuestionWriterReader; +import org.apache.ignite.cli.core.flow.question.QuestionAnswer; +import org.apache.ignite.cli.core.flow.question.QuestionAskerFactory; +import org.jline.reader.impl.LineReaderImpl; +import org.jline.terminal.Terminal; +import org.jline.terminal.impl.DumbTerminal; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.DisplayName; +import org.junit.jupiter.api.Test; + +@MicronautTest +class FlowTest { + private Terminal terminal; + + private LineReaderImpl reader; + + private Path input; + + @BeforeEach + public void setup() throws IOException { + input = Files.createTempFile("input", ""); + input.toFile().deleteOnExit(); + terminal = new DumbTerminal(Files.newInputStream(input), new FileOutputStream(FileDescriptor.out)); + reader = new LineReaderImpl(terminal); + QuestionAskerFactory.setReadWriter(new JlineQuestionWriterReader(reader)); + } + + @AfterEach + public void cleanUp() throws IOException { + terminal.input().close(); + terminal.close(); + } + + @Test + @DisplayName("Basic flow with yes/no question") + void basicFlow() throws IOException { + // "Do you like this?" + // "Yes" -> num = 1 + // "No" -> num = 2 + // "Here is your number: ${num}, would you like to multiply it by 2?" + // "Yes" -> num = 4 + // "No" -> num = num + // if (num == 1) { call(integer num) -> "|1|"} + // else { call (string ) -> "You are unlucky, your number |${num}|" } + + Flow<Object, Integer> flow = Flows.question( + "Do you like this?", + List.of(new QuestionAnswer<>("yes"::equals, (a, i) -> 1), new QuestionAnswer<>("no"::equals, (a, i) -> 2)) + ) + .map(String::valueOf) + .question(s -> "Here is your number " + s + ":, would you like to multiply it by 2?", + List.of(new QuestionAnswer<>("yes"::equals, (a, i) -> Integer.parseInt(i) * 2), + new QuestionAnswer<>("no"::equals, (a, i) -> Integer.parseInt(i)))) + .ifThen(num -> num == 1, Flows.fromCall(new IntCall(), IntCallInput::new)) + .ifThen(num -> num > 1, Flows.fromCall(new StrCall(), integer -> new StrCallInput(String.valueOf(integer)))) + .build(); + + + bindAnswers("yes", "yes"); + Flowable<Integer> call = flow.call(Flowable.empty()); + Assertions.assertEquals(2, call.value()); Review Comment: The first yes gives you the number 1, and the second yes multiplies it by 2. 1 * 2 = 2. Why 4? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
