Add test for prepend string array

metafacture/metafacture-fix#93

data/testing/prependArrays_strings/animalsStrings.json

@@ -0,0 +1,8 @@
+{
+	"animals":[
+			"dog",
+			"cat"
+	],
+	"others": "human",
+	"fictional": "unicorn"
+}

data/testing/prependArrays_strings/expected_string.json

@@ -0,0 +1,10 @@
+{
+	"animals": [
+		"earthworm",
+		"unicorn",
+		"human",
+		"dog",
+		"cat"
+	],
+	"others": "human"
+}

data/testing/prependArrays_strings/result_string.json

@@ -0,0 +1,10 @@
+{
+  "animals" : [ "dog", "cat", {
+    "$prepend" : "human"
+  }, {
+    "$prepend" : "unicorn"
+  }, {
+    "$prepend" : "earthworm"
+  } ],
+  "others" : "human"
+}

data/testing/prependArrays_strings/test_prepend_string.fix

@@ -0,0 +1,5 @@
+copy_field("others", "animals[].$prepend")
+
+move_field("fictional", "animals[].$prepend")
+
+add_field("animals[].$prepend", "earthworm")

data/testing/prependArrays_strings/test_prepend_string.flux

@@ -0,0 +1,10 @@
+infile = FLUX_DIR + "animalsStrings.json";
+
+infile
+| open-file
+| as-records
+| decode-json
+| fix(FLUX_DIR + "test_prepend_string.fix")
+| encode-json(prettyPrinting="true")
+| write(FLUX_DIR + "result_string.json")
+;