PersistentCapabilitiesTest.java

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package org.openqa.selenium;

import static org.assertj.core.api.Assertions.assertThat;

import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;

@Tag("UnitTests")
class PersistentCapabilitiesTest {

  @Test
  void shouldAllowAnEmptySetOfCapabilities() {
    Capabilities seen = new PersistentCapabilities();

    assertThat(seen).isEqualTo(new ImmutableCapabilities());
  }

  @Test
  void modifyingTheCapabilitiesThisPersistentCapabilitiesIsBasedOnDoesNotChangeOurView() {
    MutableCapabilities mutableCaps = new MutableCapabilities();
    Capabilities caps = new PersistentCapabilities(mutableCaps);

    mutableCaps.setCapability("cheese", "parmesan");

    assertThat(caps).isEqualTo(new ImmutableCapabilities());
  }

  @Test
  void shouldBePossibleToOverrideAValue() {
    Capabilities original = new ImmutableCapabilities("vegetable", "peas");
    Capabilities seen = new PersistentCapabilities(original).setCapability("vegetable", "carrots");

    assertThat(seen).isEqualTo(new ImmutableCapabilities("vegetable", "carrots"));
  }

  @Test
  void shouldActuallyBePersistent() {
    PersistentCapabilities original =
        new PersistentCapabilities(new ImmutableCapabilities("cheese", "cheddar"));
    Capabilities seen = original.setCapability("cheese", "orgu peynir");

    assertThat(original).isEqualTo(new ImmutableCapabilities("cheese", "cheddar"));
    assertThat(seen).isEqualTo(new ImmutableCapabilities("cheese", "orgu peynir"));
  }

  @Test
  void shouldAllowChainedCallsToSetCapabilities() {
    PersistentCapabilities caps =
        new PersistentCapabilities(new ImmutableCapabilities())
            .setCapability("one", 1)
            .setCapability("two", 2);

    assertThat(caps).isEqualTo(new ImmutableCapabilities("one", 1, "two", 2));
  }
}