/*
* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/MemoryStream.h>
#include <LibDiff/Format.h>
#include <LibDiff/Generator.h>
#include <LibTest/TestCase.h>
TEST_CASE(test_generate_unified_diff)
{
StringView old_text = R"(Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
BlockContainer <(anonymous)> at (8,8) content-size 784x0 children: inline
TextNode <#text>
TextNode <#text>
BlockContainer <div> at (8,8) content-size 784x150 children: inline
line 0 width: 300, height: 150, bottom: 150, baseline: 150
frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 300x150]
TextNode <#text>
SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
TextNode <#text>
Box <use> at (8,8) content-size 0x0 children: inline
Box <symbol#braces> at (8,8) content-size 0x0 children: inline
TextNode <#text>
SVGGeometryBox <path> at (92.375,26.75) content-size 131.25x112.15625 children: inline
TextNode <#text>
TextNode <#text>
TextNode <#text>
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
PaintableBox (Box<use>) [8,8 0x0]
PaintableBox (Box<symbol>#braces) [8,8 0x0]
SVGGeometryPaintable (SVGGeometryBox<path>) [92.375,26.75 131.25x112.15625]
)"sv;
StringView new_text = R"(Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (0,0) content-size 800x600 [BFC] children: not-inline
BlockContainer <body> at (8,8) content-size 784x150 children: not-inline
BlockContainer <(anonymous)> at (8,8) content-size 784x0 children: inline
TextNode <#text>
TextNode <#text>
BlockContainer <div> at (8,8) content-size 784x150 children: inline
line 0 width: 300, height: 150, bottom: 150, baseline: 150
frag 0 from SVGSVGBox start: 0, length: 0, rect: [8,8 300x150]
TextNode <#text>
SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
TextNode <#text>
Box <use> at (8,8) content-size 0x0 children: not-inline
TextNode <#text>
TextNode <#text>
ViewportPaintable (Viewport<#document>) [0,0 800x600]
PaintableWithLines (BlockContainer<HTML>) [0,0 800x600]
PaintableWithLines (BlockContainer<BODY>) [8,8 784x150]
PaintableWithLines (BlockContainer(anonymous)) [8,8 784x0]
PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
PaintableBox (Box<use>) [8,8 0x0]
)"sv;
auto result = MUST(Diff::from_text(old_text, new_text, 3));
EXPECT_EQ(result.size(), 2U);
auto hunk1_stream = make<AllocatingMemoryStream>();
MUST(Diff::write_unified(result[0], *hunk1_stream));
auto hunk1 = MUST(hunk1_stream->read_until_eof());
EXPECT_EQ(StringView { hunk1 }, R"(@@ -10,12 +10,7 @@
TextNode <#text>
SVGSVGBox <svg> at (8,8) content-size 300x150 [SVG] children: inline
TextNode <#text>
- Box <use> at (8,8) content-size 0x0 children: inline
- Box <symbol#braces> at (8,8) content-size 0x0 children: inline
- TextNode <#text>
- SVGGeometryBox <path> at (92.375,26.75) content-size 131.25x112.15625 children: inline
- TextNode <#text>
- TextNode <#text>
+ Box <use> at (8,8) content-size 0x0 children: not-inline
TextNode <#text>
TextNode <#text>
)"sv);
auto hunk2_stream = make<AllocatingMemoryStream>();
MUST(Diff::write_unified(result[1], *hunk2_stream));
auto hunk2 = MUST(hunk2_stream->read_until_eof());
EXPECT_EQ(StringView { hunk2 }, R"(@@ -26,6 +21,4 @@
PaintableWithLines (BlockContainer<DIV>) [8,8 784x150]
SVGSVGPaintable (SVGSVGBox<svg>) [8,8 300x150]
PaintableBox (Box<use>) [8,8 0x0]
- PaintableBox (Box<symbol>#braces) [8,8 0x0]
- SVGGeometryPaintable (SVGGeometryBox<path>) [92.375,26.75 131.25x112.15625]
)"sv);
}
