1 files changed, 90 insertions, 0 deletions
diff --git a/app/src/test/java/org/the_jk/cleversync/LocalTreeTest.kt b/app/src/test/java/org/the_jk/cleversync/LocalTreeTest.kt
new file mode 100644
index 0000000..e3f70d4
--- /dev/null
+++ b/app/src/test/java/org/the_jk/cleversync/LocalTreeTest.kt
@@ -0,0 +1,90 @@
+package org.the_jk.cleversync
+
+import com.google.common.truth.Truth.assertThat
+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.ModifiableTree
+import org.the_jk.cleversync.io.TreeFactory
+
+@Config(manifest=Config.NONE)
+@RunWith(RobolectricTestRunner::class)
+class LocalTreeTest {
+    @get:Rule
+    val folder = TemporaryFolder()
+
+    private lateinit var tree: ModifiableTree
+
+    @Before
+    fun setUp() {
+        tree = TreeFactory.localModifiableTree(folder.root.toPath())
+    }
+
+    @Test
+    fun empty() {
+        val content = tree.list()
+        assertThat(content.directories.safeValue()).isEmpty()
+        assertThat(content.files.safeValue()).isEmpty()
+        assertThat(content.links.safeValue()).isEmpty()
+    }
+
+    @Test
+    fun createDirectory() {
+        val foo = tree.createDirectory("foo")
+        assertThat(foo.name).isEqualTo("foo")
+        val fooContent = foo.list()
+        assertThat(fooContent.directories.safeValue()).isEmpty()
+        assertThat(fooContent.files.safeValue()).isEmpty()
+        assertThat(fooContent.links.safeValue()).isEmpty()
+        val content = tree.list()
+        assertThat(content.directories.safeValue()).contains(foo)
+        assertThat(content.files.safeValue()).isEmpty()
+        assertThat(content.links.safeValue()).isEmpty()
+    }
+
+    @Test
+    fun observeCreateDirectory() {
+        val content = tree.list()
+        var dir: Directory? = null
+        content.directories.observeForever { list ->
+            if (list.size == 1) dir = list[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.safeValue()).isEmpty()
+        foo.write().use { os ->
+            os.write(byteArrayOf(1, 2, 3, 4))
+        }
+        assertThat(tree.list().files.safeValue()).contains(foo)
+        assertThat(foo.size).isEqualTo(4.toULong())
+    }
+
+    @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(byteArrayOf(1))
+            assertThat(foo.size).isEqualTo(4.toULong())
+        }
+        assertThat(foo.size).isEqualTo(1.toULong())
+        assertThat(tree.list().files.safeValue()).hasSize(1)
+    }
+}