diff --git a/src/test/java/com/crowdin/cli/utils/UtilsTest.java b/src/test/java/com/crowdin/cli/utils/UtilsTest.java
index 7c0212af2..c909068d7 100644
--- a/src/test/java/com/crowdin/cli/utils/UtilsTest.java
+++ b/src/test/java/com/crowdin/cli/utils/UtilsTest.java
@@ -1,8 +1,10 @@
 package com.crowdin.cli.utils;
 
+import java.util.Optional;
 import org.apache.commons.lang3.SystemUtils;
 import org.junit.jupiter.api.Test;
 
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
@@ -32,4 +34,74 @@ public void testIsWindows() {
     public void testBuildUserAgent() {
         assertNotNull(Utils.buildUserAgent());
     }
+
+    @Test
+    public void testUnixPath() {
+        assertEquals("/path/to/file", Utils.unixPath("\\path\\to\\file"));
+    }
+
+    @Test
+    public void testWindowsPath() {
+        assertEquals("\\path\\to\\file", Utils.windowsPath("/path/to/file"));
+    }
+
+    @Test
+    public void testNormalizePath() {
+        assertEquals(Utils.PATH_SEPARATOR + "path" + Utils.PATH_SEPARATOR + "to" + Utils.PATH_SEPARATOR + "file", Utils.normalizePath("/path/to/file"));
+    }
+
+    @Test
+    public void testNoSepAtStart() {
+        assertEquals("path/to/file", Utils.noSepAtStart("/path/to/file"));
+    }
+
+    @Test
+    public void testSepAtStart() {
+        assertEquals(Utils.PATH_SEPARATOR + "path/to/file", Utils.sepAtStart("path/to/file"));
+    }
+
+    @Test
+    public void testNoSepAtEnd() {
+        assertEquals("/path/to/file", Utils.noSepAtEnd("/path/to/file/"));
+    }
+
+    @Test
+    public void testSepAtEnd() {
+        assertEquals("/path/to/file" + Utils.PATH_SEPARATOR, Utils.sepAtEnd("/path/to/file"));
+    }
+
+    @Test
+    public void testRegexPath() {
+        assertEquals("\\\\path\\\\to\\\\file", Utils.regexPath("\\path\\to\\file"));
+    }
+
+    @Test
+    public void testJoinPaths() {
+        assertEquals("path" + Utils.PATH_SEPARATOR + "to" + Utils.PATH_SEPARATOR + "file", Utils.joinPaths("path", "to", "file"));
+    }
+
+    @Test
+    public void testSplitPath() {
+        assertArrayEquals(new String[]{"path", "to", "file"}, Utils.splitPath("path/to/file"));
+    }
+
+    @Test
+    public void testGetParentDirectory() {
+        assertEquals("path" + Utils.PATH_SEPARATOR + "to" + Utils.PATH_SEPARATOR, Utils.getParentDirectory("path" + Utils.PATH_SEPARATOR + "to" + Utils.PATH_SEPARATOR + "file"));
+    }
+
+    @Test
+    public void testProxyHost() {
+        assertEquals(Optional.empty(), Utils.proxyHost());
+    }
+
+    @Test
+    public void testProxyCredentials() {
+        assertEquals(Optional.empty(), Utils.proxyCredentials());
+    }
+
+    @Test
+    public void testEncodeURL() {
+        assertEquals("Hello+World", Utils.encodeURL("Hello World"));
+    }
 }