Break out io code in libs

Preparing for adding more io implementations.

Really tried writing the convention plugins in kotlin dsl but could
not find the exact right hacks to get it to work.

1 files changed, 40 insertions, 0 deletions

diff --git a/libs/utils/src/test/java/org/the_jk/cleversync/StringUtilsTest.kt b/libs/utils/src/test/java/org/the_jk/cleversync/StringUtilsTest.kt
new file mode 100644
index 0000000..6a36156
--- /dev/null
+++ b/libs/utils/src/test/java/org/the_jk/cleversync/StringUtilsTest.kt
@@ -0,0 +1,40 @@
+package org.the_jk.cleversync
+
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+
+class StringUtilsTest {
+    @Test
+    fun splitEmpty() {
+        assertThat(StringUtils.split("", '.', keepEmpty = true)).containsExactly("")
+        assertThat(StringUtils.split("", '.', keepEmpty = false)).isEmpty()
+    }
+
+    @Test
+    fun splitSanity() {
+        assertThat(StringUtils.split("a.bb.a", '.')).containsExactly("a", "bb", "a").inOrder()
+        assertThat(StringUtils.split(".a.bb.a", '.', keepEmpty = true)).containsExactly("", "a", "bb", "a").inOrder()
+        assertThat(StringUtils.split(".a.bb.a", '.', keepEmpty = false)).containsExactly("a", "bb", "a").inOrder()
+        assertThat(StringUtils.split(".a.bb.a.", '.', keepEmpty = true))
+            .containsExactly("", "a", "bb", "a", "").inOrder()
+        assertThat(StringUtils.split(".a.bb.a.", '.', keepEmpty = false)).containsExactly("a", "bb", "a").inOrder()
+    }
+
+    @Test
+    fun splitDouble() {
+        assertThat(StringUtils.split("foo..bar", '.', keepEmpty = true)).containsExactly("foo", "", "bar").inOrder()
+        assertThat(StringUtils.split("foo..bar", '.', keepEmpty = false)).containsExactly("foo", "bar").inOrder()
+    }
+
+    @Test
+    fun splitLimit() {
+        assertThat(StringUtils.split("a.bb.a", '.', limit = 1)).containsExactly("a.bb.a")
+        assertThat(StringUtils.split("a.bb.a", '.', limit = 2)).containsExactly("a", "bb.a").inOrder()
+        assertThat(StringUtils.split("a.bb.a", '.', limit = 3)).containsExactly("a", "bb", "a").inOrder()
+        assertThat(StringUtils.split("a.bb.a.", '.', limit = 3, keepEmpty = true))
+            .containsExactly("a", "bb", "a.").inOrder()
+        assertThat(StringUtils.split("a.bb.a.", '.', limit = 3, keepEmpty = false))
+            .containsExactly("a", "bb", "a").inOrder()
+        assertThat(StringUtils.split("a.bb.a", '.', limit = 1000)).containsExactly("a", "bb", "a").inOrder()
+    }
+}