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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())
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(byteArrayOf(127))
assertThat(foo.size).isEqualTo(4.toULong())
}
assertThat(foo.size).isEqualTo(1.toULong())
assertThat(tree.list().files.safeValue()).hasSize(1)
foo.read().use {
assertThat(it.readBytes()).isEqualTo(byteArrayOf(127))
}
}
}
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