Merge pull request #5 from dlang-tour/add-file-dumping-test

Add file dumping test

.editorconfig

@@ -0,0 +1,14 @@
+# EditorConfig file: http://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+
+[*.d]
+charset = utf-8
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true

README.rst

@@ -6,7 +6,7 @@ This is a fork of the D:YAML library by kiith-sa (https://github.com/kiith-sa/D-
 The intent of this fork is to provide a version suitable for use by dlang-tour, until
 fixes are accepted upstream.
 
-.. image:: https://travis-ci.org/dlang-tour/d-yaml-dlang-tour.svg?branch=master
+.. image:: https://travis-ci.org/dlang-tour/dyaml-dlang-tour.svg?branch=master
 .. image:: https://img.shields.io/dub/v/dyaml-dlang-tour.svg
    :target: http://code.dlang.org/packages/dyaml-dlang-tour
 

source/dyaml/stream.d

@@ -1,74 +1,113 @@
 module dyaml.stream;
 
-enum BOM {
-        UTF8,           /// UTF-8
-        UTF16LE,        /// UTF-16 Little Endian
-        UTF16BE,        /// UTF-16 Big Endian
-        UTF32LE,        /// UTF-32 Little Endian
-        UTF32BE,        /// UTF-32 Big Endian
+enum BOM
+{
+    UTF8,           /// UTF-8
+    UTF16LE,        /// UTF-16 Little Endian
+    UTF16BE,        /// UTF-16 Big Endian
+    UTF32LE,        /// UTF-32 Little Endian
+    UTF32BE,        /// UTF-32 Big Endian
 }
 
 import std.system;
 
 private enum int NBOMS = 5;
 immutable Endian[NBOMS] BOMEndian =
-[ std.system.endian,
-  Endian.littleEndian, Endian.bigEndian,
-  Endian.littleEndian, Endian.bigEndian
-  ];
+[
+    std.system.endian,
+    Endian.littleEndian, Endian.bigEndian,
+    Endian.littleEndian, Endian.bigEndian
+];
 
 immutable ubyte[][NBOMS] ByteOrderMarks =
-[ [0xEF, 0xBB, 0xBF],
-  [0xFF, 0xFE],
-  [0xFE, 0xFF],
-  [0xFF, 0xFE, 0x00, 0x00],
-  [0x00, 0x00, 0xFE, 0xFF]
-  ];
+[
+    [0xEF, 0xBB, 0xBF],
+    [0xFF, 0xFE],
+    [0xFE, 0xFF],
+    [0xFF, 0xFE, 0x00, 0x00],
+    [0x00, 0x00, 0xFE, 0xFF]
+];
 
-interface YStream {
-	void writeExact(const void* buffer, size_t size);
-	size_t write(const(ubyte)[] buffer);
-	void flush();
-	@property bool writeable();
+interface YStream
+{
+    void writeExact(const void* buffer, size_t size);
+    size_t write(const(ubyte)[] buffer);
+    void flush();
+    @property bool writeable();
 }
 
-class YMemoryStream : YStream {
-	ubyte[] data;
+class YMemoryStream : YStream
+{
+    ubyte[] data;
 
-	void writeExact(const void* buffer, size_t size) {
-		data ~= cast(ubyte[])buffer[0 .. size];
-	}
+    void writeExact(const void* buffer, size_t size)
+    {
+        data ~= cast(ubyte[])buffer[0 .. size];
+    }
 
-	size_t write(const(ubyte)[] buffer) {
-		data ~= buffer;
-		return buffer.length;
-	}
+    size_t write(const(ubyte)[] buffer)
+    {
+        data ~= buffer;
+        return buffer.length;
+    }
 
-	void flush() {}
+    void flush() {}
 
-	@property bool writeable() { return true; }
+    @property bool writeable() { return true; }
 }
 
-class YFile : YStream {
-	static import std.stdio;
-	std.stdio.File file;
+class YFile : YStream
+{
+    static import std.stdio;
+    std.stdio.File file;
 
-	this(string fn) {
-		this.file = std.stdio.File(fn, "w");
-	}
+    this(string fn)
+    {
+        this.file = std.stdio.File(fn, "w");
+    }
 
-	void writeExact(const void* buffer, size_t size) {
-		this.file.rawWrite(cast(const) buffer[0 .. size]);
-	}
+    void writeExact(const void* buffer, size_t size)
+    {
+        this.file.rawWrite(cast(const) buffer[0 .. size]);
+    }
 
-	size_t write(const(ubyte)[] buffer) {
-		this.file.rawWrite(buffer);
-		return buffer.length;
-	}
+    size_t write(const(ubyte)[] buffer)
+    {
+        this.file.rawWrite(buffer);
+        return buffer.length;
+    }
 
-	void flush() {
-		this.file.flush();
-	}
+    void flush()
+    {
+        this.file.flush();
+    }
 
-	@property bool writeable() { return true; }
+    @property bool writeable() { return true; }
+}
+
+unittest
+{
+    import dyaml.dumper, dyaml.loader, dyaml.node;
+    import std.file : readText, remove;
+
+    char[] test =  ("Hello World : [Hello, World]\n" ~
+                    "Answer: 42").dup;
+    //Read the input.
+    Node expected = Loader.fromString(test).load();
+    assert(expected["Hello World"][0] == "Hello");
+    assert(expected["Hello World"][1] == "World");
+    assert(expected["Answer"].as!int == 42);
+
+    //Dump the loaded document to output.yaml.
+    Dumper("output.yaml").dump(expected);
+
+    // Load the file and verify that it was saved correctly.
+    Node actual = Loader("output.yaml").load();
+    assert(actual["Hello World"][0] == "Hello");
+    assert(actual["Hello World"][1] == "World");
+    assert(actual["Answer"].as!int == 42);
+    assert(actual == expected);
+
+    // Clean up.
+    remove("output.yaml");
 }