1 files changed, 327 insertions, 0 deletions
diff --git a/libs/local/src/test/java/org/the_jk/cleversync/local/LocalTreeTest.kt b/libs/local/src/test/java/org/the_jk/cleversync/local/LocalTreeTest.kt
new file mode 100644
index 0000000..21002e3
--- /dev/null
+++ b/libs/local/src/test/java/org/the_jk/cleversync/local/LocalTreeTest.kt
@@ -0,0 +1,327 @@
+package org.the_jk.cleversync.local
+
+import com.google.common.truth.Truth.assertThat
+import org.junit.Assert
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.rules.TemporaryFolder
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.annotation.Config
+import org.robolectric.shadows.ShadowLooper
+import org.the_jk.cleversync.io.Directory
+import org.the_jk.cleversync.io.Link
+import org.the_jk.cleversync.io.ModifiableLink
+import org.the_jk.cleversync.io.ModifiableTree
+import org.the_jk.cleversync.safeValue
+
+@Config(manifest=Config.NONE)
+@RunWith(RobolectricTestRunner::class)
+class LocalTreeTest {
+    @get:Rule
+    val folder = TemporaryFolder()
+
+    private lateinit var tree: ModifiableTree
+
+    @Before
+    fun setUp() {
+        tree = LocalTreeFactory.modifiableTree(folder.root.toPath())
+    }
+
+    @Test
+    fun empty() {
+        val content = tree.list()
+        assertThat(content.directories).isEmpty()
+        assertThat(content.files).isEmpty()
+        assertThat(content.links).isEmpty()
+    }
+
+    @Test
+    fun emptyLive() {
+        val content = tree.liveList().safeValue()
+        assertThat(content?.directories).isEmpty()
+        assertThat(content?.files).isEmpty()
+        assertThat(content?.links).isEmpty()
+    }
+
+    @Test
+    fun createDirectory() {
+        val foo = tree.createDirectory("foo")
+        assertThat(foo.name).isEqualTo("foo")
+        val fooContent = foo.list()
+        assertThat(fooContent.directories).isEmpty()
+        assertThat(fooContent.files).isEmpty()
+        assertThat(fooContent.links).isEmpty()
+        val content = tree.list()
+        assertThat(content.directories).contains(foo)
+        assertThat(content.files).isEmpty()
+        assertThat(content.links).isEmpty()
+    }
+
+    @Test
+    fun observeCreateDirectory() {
+        val content = tree.liveList()
+        var dir: Directory? = null
+        content.observeForever {
+            if (it.directories.size == 1) dir = it.directories[0]
+        }
+        tree.createDirectory("foo")
+        while (dir == null) {
+            ShadowLooper.idleMainLooper()
+        }
+        assertThat(dir?.name).isEqualTo("foo")
+    }
+
+    @Test
+    fun createFile() {
+        val foo = tree.createFile("foo")
+        // Files are not created until you write to them.
+        assertThat(tree.list().files).isEmpty()
+        foo.write().use { os ->
+            os.write(byteArrayOf(1, 2, 3, 4))
+        }
+        assertThat(tree.list().files).contains(foo)
+        assertThat(foo.size).isEqualTo(4.toULong())
+        foo.read().use {
+            assertThat(it.readBytes()).isEqualTo(byteArrayOf(1, 2, 3, 4))
+        }
+    }
+
+    @Test
+    fun overwriteFile() {
+        val foo = tree.createFile("foo")
+        foo.write().use { os ->
+            os.write(byteArrayOf(1, 2, 3, 4))
+        }
+        foo.write().use { os ->
+            os.write(127)
+            os.write(byteArrayOf(1))
+            os.write(byteArrayOf(2), 0, 0)
+            assertThat(foo.size).isEqualTo(4.toULong())
+        }
+        assertThat(foo.size).isEqualTo(2.toULong())
+        assertThat(tree.list().files).hasSize(1)
+        foo.read().use {
+            assertThat(it.readBytes()).isEqualTo(byteArrayOf(127, 1))
+        }
+    }
+
+    @Test
+    fun removeDir() {
+        tree.createDirectory("foo")
+        tree.removeDirectory("foo")
+        assertThat(tree.list().directories).isEmpty()
+    }
+
+    @Test
+    fun removeDirLive() {
+        tree.createDirectory("foo")
+        val content = tree.liveList()
+        var done = false
+        content.observeForever {
+            if (it.directories.isEmpty()) done = true
+        }
+        tree.removeDirectory("foo")
+        while (!done) {
+            ShadowLooper.idleMainLooper()
+        }
+    }
+
+    @Test
+    fun createLink() {
+        val dir = tree.createDirectory("dir")
+        val file = tree.createFile("file")
+        val link = tree.createLink("link", dir.name)
+        var target = link.resolve()
+        when (target) {
+            is Link.DirectoryTarget -> assertThat(target.directory).isEqualTo(
+                dir
+            )
+            is Link.FileTarget -> Assert.fail()
+            is Link.NoTarget -> Assert.fail()
+        }
+        assertThat(tree.openDir("link")).isEqualTo(dir)
+
+        link.target(file)
+        target = link.resolve()
+        when (target) {
+            is Link.DirectoryTarget -> Assert.fail()
+            is Link.FileTarget -> Assert.fail()
+            is Link.NoTarget -> Unit
+        }
+        file.write().use { it.write(1) }
+        target = link.resolve()
+        when (target) {
+            is Link.DirectoryTarget -> Assert.fail()
+            is Link.FileTarget -> assertThat(target.file).isEqualTo(file)
+            is Link.NoTarget -> Assert.fail()
+        }
+
+        assertThat(tree.openFile("link")).isEqualTo(file)
+    }
+
+    @Test
+    fun createLinkSubdir() {
+        val foo = tree.createDirectory("foo")
+        val bar = foo.createDirectory("bar")
+        val link1 = tree.createLink("link1", "foo/bar")
+        val link2 = tree.createLink("link2", bar)
+        assertThat(link1.resolve()).isEqualTo(link2.resolve())
+        assertThat((link1.resolve() as Link.DirectoryTarget).directory).isEqualTo(bar)
+        val link3 = foo.createLink("link3", "../link1")
+        assertThat((link3.resolve() as Link.DirectoryTarget).directory).isEqualTo(bar)
+    }
+
+    @Test
+    fun createLiveLink() {
+        val content = tree.liveList()
+        var link: Link? = null
+        content.observeForever {
+            if (it.links.size == 1) link = it.links[0]
+        }
+        val dir = tree.createDirectory("dir")
+        tree.createLink("link", "dir")
+        while (link == null) {
+            ShadowLooper.idleMainLooper()
+        }
+        assertThat((link?.resolve() as Link.DirectoryTarget).directory).isEqualTo(dir)
+    }
+
+    @Test
+    fun sameDir() {
+        val dir1 = tree.createDirectory("dir")
+        val dir2 = tree.openDir("dir")
+        assertThat(dir1).isEqualTo(dir2)
+        assertThat(dir1.hashCode()).isEqualTo(dir2.hashCode())
+        assertThat(dir1.toString()).isEqualTo(dir2.toString())
+    }
+
+    @Test
+    fun sameFile() {
+        val file1 = tree.createFile("file")
+        file1.write().use { it.write(127) }
+        val file2 = tree.openFile("file")
+        assertThat(file1).isEqualTo(file2)
+        assertThat(file1.hashCode()).isEqualTo(file2.hashCode())
+        assertThat(file1.toString()).isEqualTo(file2.toString())
+    }
+
+    @Test
+    fun sameLink() {
+        val link1 = tree.createLink("link", "foo")
+        val link2 = tree.openLink("link")
+        assertThat(link1).isEqualTo(link2)
+        assertThat(link1.hashCode()).isEqualTo(link2.hashCode())
+        assertThat(link1.toString()).isEqualTo(link2.toString())
+    }
+
+    @Test
+    fun removeDirWithContent() {
+        val foo = tree.createDirectory("foo")
+        foo.createDirectory("dir")
+        foo.createFile("file").write().use { it.write(byteArrayOf(1, 2, 3, 4)) }
+        foo.createLink("link", "file")
+        assertThat(tree.list().directories).hasSize(1)
+        assertThat(tree.removeDirectory("foo")).isTrue()
+        assertThat(tree.list().directories).isEmpty()
+    }
+
+    @Test
+    fun removeWrongType() {
+        tree.createDirectory("dir")
+        assertThat(tree.removeFile("dir")).isFalse()
+        assertThat(tree.removeLink("dir")).isFalse()
+        tree.createFile("file").write().use { it.write(byteArrayOf(1, 2, 3, 4)) }
+        assertThat(tree.removeDirectory("file")).isFalse()
+        assertThat(tree.removeLink("file")).isFalse()
+        tree.createLink("link", "doesn't exist")
+        assertThat(tree.removeDirectory("link")).isFalse()
+        assertThat(tree.removeFile("link")).isFalse()
+        val content = tree.list()
+        assertThat(content.directories).hasSize(1)
+        assertThat(content.files).hasSize(1)
+        assertThat(content.links).hasSize(1)
+    }
+
+    @Test
+    fun removeFile() {
+        tree.createFile("file").write().use { it.write(byteArrayOf(1, 2, 3, 4)) }
+        assertThat(tree.list().files).hasSize(1)
+        tree.removeFile("file")
+        assertThat(tree.list().files).isEmpty()
+    }
+
+    @Test
+    fun removeLink() {
+        val dir = tree.createDirectory("dir")
+        val file = tree.createFile("file")
+        file.write().use { it.write(127) }
+        tree.createLink("link1", dir)
+        tree.createLink("link2", file)
+        assertThat(tree.list().links).hasSize(2)
+        tree.removeLink("link1")
+        tree.removeLink("link2")
+        assertThat(tree.list().links).isEmpty()
+    }
+
+    @Test
+    fun changeLink() {
+        val dir = tree.createDirectory("dir")
+        val file = tree.createFile("file")
+        file.write().use { it.write(127) }
+        val link = tree.createLink("link", "doesn't exist")
+        assertThat(link.resolve() is Link.NoTarget).isTrue()
+        link.target(file)
+        assertThat((link.resolve() as Link.FileTarget).file).isEqualTo(file)
+        link.target(dir)
+        assertThat((link.resolve() as Link.DirectoryTarget).directory).isEqualTo(dir)
+        link.target("bad")
+        assertThat(link.resolve() is Link.NoTarget).isTrue()
+    }
+
+    @Test
+    fun changeModifiableLink() {
+        val dir = tree.createDirectory("dir")
+        val file = tree.createFile("file")
+        file.write().use { it.write(127) }
+        val link = tree.createLink("link", "doesn't exist")
+        assertThat(link.modifiableResolve() is ModifiableLink.NoTarget).isTrue()
+        link.target(file)
+        assertThat((link.modifiableResolve() as ModifiableLink.ModifiableFileTarget).file).isEqualTo(file)
+        link.target(dir)
+        assertThat((link.modifiableResolve() as ModifiableLink.ModifiableDirectoryTarget).directory).isEqualTo(dir)
+        link.target("bad")
+        assertThat(link.modifiableResolve() is ModifiableLink.NoTarget).isTrue()
+    }
+
+    @Test
+    fun recursiveLink() {
+        val link = tree.createLink("link", "link")
+        assertThat(link.resolve() is Link.NoTarget).isTrue()
+    }
+
+    @Test
+    fun names() {
+        assertThat(tree.createDirectory("dir").name).isEqualTo("dir")
+        assertThat(tree.createFile("file").name).isEqualTo("file")
+        assertThat(tree.createLink("link", "file").name).isEqualTo("link")
+    }
+
+    @Test
+    fun openNonExistent() {
+        assertThat(tree.openDir("dir")).isNull()
+        assertThat(tree.openFile("file")).isNull()
+        assertThat(tree.openLink("link")).isNull()
+    }
+
+    @Test
+    fun lastModified() {
+        val file = tree.createFile("foo")
+        file.write().use { it.write(1) }
+        val old = file.lastModified
+        file.write().use { it.write(2); it.flush() }
+        val new = file.lastModified
+        assertThat(old.isBefore(new) || old == new).isTrue()
+    }
+}