🎨 增加一些单元测试代码

weixin-java-common/src/test/java/me/chanjar/weixin/common/util/fs/FileUtilsTest.java

@@ -0,0 +1,34 @@
+package me.chanjar.weixin.common.util.fs;
+
+import org.apache.commons.io.IOUtils;
+import org.testng.annotations.Test;
+
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.nio.file.Files;
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class FileUtilsTest {
+
+  @Test
+  public void testCreateTmpFile() throws IOException {
+    String strings = "abc";
+    File tmpFile = FileUtils.createTmpFile(new ByteArrayInputStream(strings.getBytes()), "name", "txt");
+    System.out.println(tmpFile);
+    List<String> lines = IOUtils.readLines(Files.newInputStream(tmpFile.toPath()), Charset.defaultCharset());
+    assertThat(lines).hasSize(1);
+    assertThat(lines.get(0)).isEqualTo(strings);
+  }
+
+  @Test
+  public void testTestCreateTmpFile() {
+  }
+
+  @Test
+  public void testImageToBase64ByStream() {
+  }
+}