diff --git a/src/test/kotlin/texlab/WorkspaceBuilder.kt b/src/test/kotlin/texlab/WorkspaceBuilder.kt
index 9f1a223f..06776c75 100644
--- a/src/test/kotlin/texlab/WorkspaceBuilder.kt
+++ b/src/test/kotlin/texlab/WorkspaceBuilder.kt
@@ -3,13 +3,14 @@ package texlab
 import org.eclipse.lsp4j.Position
 import texlab.completion.CompletionRequest
 import texlab.folding.FoldingRequest
+import texlab.rename.RenameRequest
 import java.io.File
 
 class WorkspaceBuilder {
     val workspace = Workspace()
 
-    fun document(name: String, text: String): WorkspaceBuilder {
-        val file = File(name)
+    fun document(path: String, text: String): WorkspaceBuilder {
+        val file = File(path)
         val language = getLanguageByExtension(file.extension)!!
         val document = Document.create(file.toURI(), language)
         document.text = text
@@ -18,14 +19,21 @@ class WorkspaceBuilder {
         return this
     }
 
-    fun completion(name: String, line: Int, character: Int): CompletionRequest {
-        val uri = File(name).toURI()
+    fun completion(path: String, line: Int, character: Int): CompletionRequest {
+        val uri = File(path).toURI()
         val position = Position(line, character)
         return CompletionRequest(uri, workspace.relatedDocuments(uri), position)
     }
 
-    fun folding(name: String): FoldingRequest {
-        val uri = File(name).toURI()
+    fun folding(path: String): FoldingRequest {
+        val uri = File(path).toURI()
         return FoldingRequest(workspace.documents.first { it.uri == uri })
     }
+
+    fun rename(path: String, line: Int, character: Int, newName: String): RenameRequest {
+        val uri = File(path).toURI()
+        val relatedDocuments = workspace.relatedDocuments(uri)
+        val position = Position(line, character)
+        return RenameRequest(uri, relatedDocuments, position, newName)
+    }
 }
diff --git a/src/test/kotlin/texlab/rename/LatexCommandRenamerTests.kt b/src/test/kotlin/texlab/rename/LatexCommandRenamerTests.kt
new file mode 100644
index 00000000..f1033e20
--- /dev/null
+++ b/src/test/kotlin/texlab/rename/LatexCommandRenamerTests.kt
@@ -0,0 +1,43 @@
+package texlab.rename
+
+import org.eclipse.lsp4j.Position
+import org.eclipse.lsp4j.Range
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import texlab.WorkspaceBuilder
+import java.io.File
+
+class LatexCommandRenamerTests {
+    @Test
+    fun `it should rename commands in related documents`() {
+        val edit = WorkspaceBuilder()
+                .document("foo.tex", "\\include{bar.tex}\n\\baz")
+                .document("bar.tex", "\\baz")
+                .rename("foo.tex", 1, 2, "qux")
+                .let { LatexCommandRenamer.rename(it) }!!
+
+        assertEquals(2, edit.changes.size)
+        val document1 = File("foo.tex").toURI().toString()
+        val document2 = File("bar.tex").toURI().toString()
+        val change1 = edit.changes.getValue(document1)
+        val change2 = edit.changes.getValue(document2)
+
+        assertEquals(1, change1.size)
+        assertEquals(Range(Position(1, 0), Position(1, 4)), change1[0].range)
+        assertEquals("\\qux", change1[0].newText)
+
+        assertEquals(1, change2.size)
+        assertEquals(Range(Position(0, 0), Position(0, 4)), change2[0].range)
+        assertEquals("\\qux", change2[0].newText)
+    }
+
+    @Test
+    fun `it should not process BibTeX documents`() {
+        WorkspaceBuilder()
+                .document("foo.bib", "\\foo \\bar")
+                .rename("foo.bib", 0, 1, "baz")
+                .let { LatexEnvironmentRenamer.rename(it) }
+                .also { Assertions.assertNull(it) }
+    }
+}
diff --git a/src/test/kotlin/texlab/rename/LatexEnvironmentRenamerTests.kt b/src/test/kotlin/texlab/rename/LatexEnvironmentRenamerTests.kt
new file mode 100644
index 00000000..ec8ec827
--- /dev/null
+++ b/src/test/kotlin/texlab/rename/LatexEnvironmentRenamerTests.kt
@@ -0,0 +1,44 @@
+package texlab.rename
+
+import org.eclipse.lsp4j.Position
+import org.eclipse.lsp4j.Range
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Assertions.assertNull
+import org.junit.jupiter.api.Test
+import texlab.WorkspaceBuilder
+
+class LatexEnvironmentRenamerTests {
+    @Test
+    fun `it should rename unmatched environments`() {
+        val edit = WorkspaceBuilder()
+                .document("foo.tex", "\\begin{foo}\n\\end{bar}")
+                .rename("foo.tex", 0, 8, "baz")
+                .let { LatexEnvironmentRenamer.rename(it) }!!
+
+        assertEquals(1, edit.changes.keys.size)
+        val changes = edit.changes.getValue(edit.changes.keys.first())
+        assertEquals(2, changes.size)
+        assertEquals(Range(Position(0, 7), Position(0, 10)), changes[0].range)
+        assertEquals("baz", changes[0].newText)
+        assertEquals(Range(Position(1, 5), Position(1, 8)), changes[1].range)
+        assertEquals("baz", changes[1].newText)
+    }
+
+    @Test
+    fun `it should not rename unrelated environments`() {
+        WorkspaceBuilder()
+                .document("foo.tex", "\\begin{foo}\n\\end{bar}")
+                .rename("foo.tex", 0, 5, "baz")
+                .let { LatexEnvironmentRenamer.rename(it) }
+                .also { assertNull(it) }
+    }
+
+    @Test
+    fun `it should not process BibTeX documents`() {
+        WorkspaceBuilder()
+                .document("foo.bib", "\\begin{foo}\n\\end{bar}")
+                .rename("foo.bib", 0, 8, "baz")
+                .let { LatexEnvironmentRenamer.rename(it) }
+                .also { assertNull(it) }
+    }
+}