Test OrderByQualityProvider

src/main/kotlin/texlab/completion/OrderByQualityProvider.kt

@@ -31,7 +31,7 @@ class OrderByQualityProvider(private val provider: CompletionProvider) : Complet
                 when (node) {
                     is LatexGroupSyntax -> ""
                     is LatexCommandSyntax -> node.name.text.substring(1)
-                    is LatexTextSyntax -> node.words[0].text
+                    is LatexTextSyntax -> node.words.last().text
                     is LatexDocumentSyntax -> null
                     null -> null
                 }

src/test/kotlin/texlab/completion/OrderByQualityProviderTests.kt

@@ -0,0 +1,18 @@
+package texlab.completion
+
+import org.junit.jupiter.api.Assertions.assertEquals
+import org.junit.jupiter.api.Test
+import texlab.WorkspaceBuilder
+import texlab.completion.latex.LatexKernelCommandProvider
+
+class OrderByQualityProviderTests {
+    @Test
+    fun `it should prioritize items that begin with the query`() {
+        val provider = OrderByQualityProvider(LatexKernelCommandProvider)
+        val request = WorkspaceBuilder()
+                .document("foo.tex", "\\usep")
+                .completion("foo.tex", 0, 5)
+        val items = provider.complete(request)
+        assertEquals("usepackage", items[0].label)
+    }
+}