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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

/**
 * Tests the reducer responding to the action `selectSnapshot(snapshot)`
 */

const actions = require("resource://devtools/client/memory/actions/snapshot.js");
const {
  snapshotState: states,
} = require("resource://devtools/client/memory/constants.js");

add_task(async function() {
  const front = new StubbedMemoryFront();
  await front.attach();
  const store = Store();

  for (let i = 0; i < 5; i++) {
    store.dispatch(actions.takeSnapshot(front));
  }

  await waitUntilState(
    store,
    ({ snapshots }) => snapshots.length === 5 && snapshots.every(isDone)
  );

  for (let i = 0; i < 5; i++) {
    info(`Selecting snapshot[${i}]`);
    store.dispatch(actions.selectSnapshot(store.getState().snapshots[i].id));
    await waitUntilState(store, ({ snapshots }) => snapshots[i].selected);

    const { snapshots } = store.getState();
    ok(snapshots[i].selected, `snapshot[${i}] selected`);
    equal(
      snapshots.filter(s => !s.selected).length,
      4,
      "All other snapshots are unselected"
    );
  }
});

function isDone(s) {
  return s.state === states.SAVED;
}