--- /dev/null
+/**
+ * Sone - AlbumTest.kt - Copyright © 2019–2020 David ‘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))
+ }
+
+}