Test for Issue symfony#26065: leading spaces in YAML multi-line string literals

tamc · tamc · commit 752f8d2e59b7 · 2018-02-06T17:30:29.000Z
When dumping an object to YAML. If the first line of a mult-line string literal starts with spaces then the YAML spec says you need to use a [block indentation indicator][1]. [1]: http://www.yaml.org/spec/1.2/spec.html#id2793979
diff --git a/src/Symfony/Component/Yaml/Tests/DumperTest.php b/src/Symfony/Component/Yaml/Tests/DumperTest.php
@@ -454,6 +454,17 @@ public function testDumpMultiLineStringAsScalarBlock()
         $this->assertSame(file_get_contents(__DIR__.'/Fixtures/multiple_lines_as_literal_block.yml'), $this->dumper->dump($data, 2, 0, Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK));
     }
 
+    public function testDumpMultiLineStringAsScalarBlockWhenFirstLineHasLeadingSpace()
+    {
+        $data = array(
+            'data' => array(
+                'multi_line' => "    the first line has leading spaces\nThe second line does not.",
+            ),
+        );
+
+        $this->assertSame(file_get_contents(__DIR__.'/Fixtures/multiple_lines_as_literal_block_leading_space_in_first_line.yml'), $this->dumper->dump($data, 2, 0, Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK));
+    }
+
     public function testCarriageReturnIsMaintainedWhenDumpingAsMultiLineLiteralBlock()
     {
         $this->assertSame("- \"a\\r\\nb\\nc\"\n", $this->dumper->dump(array("a\r\nb\nc"), 2, 0, Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK));
diff --git a/src/Symfony/Component/Yaml/Tests/Fixtures/multiple_lines_as_literal_block_leading_space_in_first_line.yml b/src/Symfony/Component/Yaml/Tests/Fixtures/multiple_lines_as_literal_block_leading_space_in_first_line.yml
@@ -0,0 +1,4 @@
+data:
+    multi_line: |4
+            the first line has leading spaces
+        The second line does not.
