#3248 Add unit test

1 files changed, 35 insertions, 0 deletions

diff --git a/core/src/test/java/de/danoeh/antennapod/core/service/playback/FeedVolumeReductionTest.java b/core/src/test/java/de/danoeh/antennapod/core/service/playback/FeedVolumeReductionTest.java
new file mode 100644
index 000000000..e8a2af413
--- /dev/null
+++ b/core/src/test/java/de/danoeh/antennapod/core/service/playback/FeedVolumeReductionTest.java
@@ -0,0 +1,35 @@
+package de.danoeh.antennapod.core.service.playback;
+
+import de.danoeh.antennapod.core.feed.FeedPreferences;
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class FeedVolumeReductionTest {
+
+    @Test
+    public void noReductionIfTurnedOff() {
+        FeedPreferences feedPreferences = mock(FeedPreferences.class);
+        when(feedPreferences.getVolumeReductionSetting()).thenReturn(FeedPreferences.VolumeReductionSetting.OFF);
+
+        FeedVolumeReduction feedVolumeReduction = new FeedVolumeReduction();
+        float reductionFactor = feedVolumeReduction.getReductionFactor(feedPreferences);
+        assertEquals(1.0f, reductionFactor, 0.01f );
+    }
+
+    @Test
+    public void lightReductionYieldsHigherValueThanHeavyReduction() {
+        FeedPreferences feedPreferences = mock(FeedPreferences.class);
+        FeedVolumeReduction feedVolumeReduction = new FeedVolumeReduction();
+
+        when(feedPreferences.getVolumeReductionSetting()).thenReturn(FeedPreferences.VolumeReductionSetting.LIGHT);
+        float lightReductionFactor = feedVolumeReduction.getReductionFactor(feedPreferences);
+
+        when(feedPreferences.getVolumeReductionSetting()).thenReturn(FeedPreferences.VolumeReductionSetting.HEAVY);
+        float heavyReductionFactor = feedVolumeReduction.getReductionFactor(feedPreferences);
+
+        assertTrue("Light reduction must have higher factor than heavy reduction", lightReductionFactor > heavyReductionFactor);
+    }
+}
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