🔀 Merge branch 'release/v82'
[Sone.git] / src / test / kotlin / net / pterodactylus / sone / data / AlbumTest.kt
diff --git a/src/test/kotlin/net/pterodactylus/sone/data/AlbumTest.kt b/src/test/kotlin/net/pterodactylus/sone/data/AlbumTest.kt
new file mode 100644 (file)
index 0000000..fe11c2c
--- /dev/null
@@ -0,0 +1,136 @@
+/**
+ * Sone - AlbumTest.kt - Copyright Â© 2019–2020 David â€˜Bombe’ Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.data
+
+import net.pterodactylus.sone.data.impl.*
+import org.hamcrest.MatcherAssert.*
+import org.hamcrest.Matchers.*
+import kotlin.test.*
+
+/**
+ * Unit test for various helper method in `Album.kt`.
+ */
+class AlbumTest {
+
+       @Test
+       fun `recursive list of all images for album is returned correctly`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val firstNestedAlbum = AlbumImpl(sone)
+               val secondNestedAlbum = AlbumImpl(sone)
+               firstNestedAlbum.addImage(createImage(sone, "image-1"))
+               firstNestedAlbum.addImage(createImage(sone, "image-2"))
+               secondNestedAlbum.addImage(createImage(sone, "image-3"))
+               album.addImage(createImage(sone, "image-4"))
+               album.addAlbum(firstNestedAlbum)
+               album.addAlbum(secondNestedAlbum)
+               val images = album.allImages
+               assertThat(images.map(Image::id), containsInAnyOrder("image-1", "image-2", "image-3", "image-4"))
+       }
+
+       private fun createImage(sone: IdOnlySone, id: String, key: String? = null) = ImageImpl(id).modify().setSone(sone).setKey(key).update()
+
+       @Test
+       fun `allAlbums returns itself and all its subalbums`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val firstNestedAlbum = AlbumImpl(sone)
+               val secondNestedAlbum = AlbumImpl(sone)
+               val albumNestedInFirst = AlbumImpl(sone)
+               album.addAlbum(firstNestedAlbum)
+               album.addAlbum(secondNestedAlbum)
+               firstNestedAlbum.addAlbum(albumNestedInFirst)
+               val albums = album.allAlbums
+               assertThat(albums, containsInAnyOrder<Album>(album, firstNestedAlbum, secondNestedAlbum, albumNestedInFirst))
+               assertThat(albums.indexOf(firstNestedAlbum), greaterThan(albums.indexOf(album)))
+               assertThat(albums.indexOf(secondNestedAlbum), greaterThan(albums.indexOf(album)))
+               assertThat(albums.indexOf(albumNestedInFirst), greaterThan(albums.indexOf(firstNestedAlbum)))
+       }
+
+       @Test
+       fun `notEmpty finds album without images is empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               assertThat(notEmpty(album), equalTo(false))
+       }
+
+       @Test
+       fun `notEmpty finds album with one inserted image is not empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               album.addImage(createImage(sone, "1", "key"))
+               assertThat(notEmpty(album), equalTo(true))
+       }
+
+       @Test
+       fun `notEmpty finds album with one not-inserted image is empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               album.addImage(createImage(sone, "1"))
+               assertThat(notEmpty(album), equalTo(false))
+       }
+
+       @Test
+       fun `notEmpty finds album with empty subalbums is empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val firstNestedAlbum = AlbumImpl(sone)
+               album.addAlbum(firstNestedAlbum)
+               assertThat(notEmpty(album), equalTo(false))
+       }
+
+       @Test
+       fun `notEmpty finds album with subalbum with not inserted image is empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val firstNestedAlbum = AlbumImpl(sone)
+               firstNestedAlbum.addImage(createImage(sone, "1"))
+               album.addAlbum(firstNestedAlbum)
+               assertThat(notEmpty(album), equalTo(false))
+       }
+
+       @Test
+       fun `notEmpty finds album with subalbum with inserted image is not empty`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val firstNestedAlbum = AlbumImpl(sone)
+               firstNestedAlbum.addImage(createImage(sone, "1", "key"))
+               album.addAlbum(firstNestedAlbum)
+               assertThat(notEmpty(album), equalTo(true))
+       }
+
+       @Test
+       fun `allImages returns images from album`() {
+               val sone = IdOnlySone("sone")
+               val album = AlbumImpl(sone)
+               val image1 = createImage(sone, "1").also(album::addImage)
+               val image2 = createImage(sone, "2").also(album::addImage)
+               assertThat(album.allImages, contains(image1, image2))
+       }
+
+       @Test
+       fun `allImages returns images from subalbum`() {
+               val sone = IdOnlySone("sone")
+               val album1 = AlbumImpl(sone)
+               val album2 = AlbumImpl(sone).also(album1::addAlbum)
+               val image1 = createImage(sone, "1").also(album1::addImage)
+               val image2 = createImage(sone, "2").also(album2::addImage)
+               assertThat(album1.allImages, contains(image1, image2))
+       }
+
+}