diff --git a/src/test/java/io/github/robwin/swagger2markup/Swagger2MarkupConverterTest.java b/src/test/java/io/github/robwin/swagger2markup/Swagger2MarkupConverterTest.java
index 60973362..0ef22386 100644
--- a/src/test/java/io/github/robwin/swagger2markup/Swagger2MarkupConverterTest.java
+++ b/src/test/java/io/github/robwin/swagger2markup/Swagger2MarkupConverterTest.java
@@ -24,6 +24,7 @@ import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import io.github.robwin.markup.builder.MarkupLanguage;
 import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
 import org.junit.Test;
 
 import java.io.File;
@@ -42,6 +43,24 @@ import static org.assertj.core.api.BDDAssertions.assertThat;
 
 public class Swagger2MarkupConverterTest {
 
+
+    @Test
+    public void testSwagger2AsciiDocConversionFromString() throws IOException {
+        //Given
+        String swaggerJsonString = IOUtils.toString(getClass().getResourceAsStream("/json/swagger.json"));
+        File outputDirectory = new File("build/docs/asciidoc/generated");
+        FileUtils.deleteQuietly(outputDirectory);
+
+        //When
+        Swagger2MarkupConverter.fromString(swaggerJsonString).build()
+                .intoFolder(outputDirectory.getAbsolutePath());
+
+        //Then
+        String[] directories = outputDirectory.list();
+        assertThat(directories).hasSize(3).containsAll(asList("definitions.adoc", "overview.adoc", "paths.adoc"));
+    }
+
+
     @Test
     public void testSwagger2AsciiDocConversion() throws IOException {
         //Given