| Flutter Impeller |

golden_digest.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_IMPELLER_GOLDEN_TESTS_GOLDEN_DIGEST_H_
6 #define FLUTTER_IMPELLER_GOLDEN_TESTS_GOLDEN_DIGEST_H_
7
8 #include <map>
9 #include <string>
10 #include <vector>
11
12 #include "flutter/fml/macros.h"
13 #include "flutter/impeller/golden_tests/working_directory.h"
14
15 namespace impeller {
16 namespace testing {
17
18 /// Manages a global variable for tracking instances of golden images.
19 class GoldenDigest {
20 public:
21 static GoldenDigest* Instance();
22
23 void AddDimension(const std::string& name, const std::string& value);
24
25 void AddImage(const std::string& test_name,
26 const std::string& filename,
27 int32_t width,
28 int32_t height);
29
30 /// Writes a "digest.json" file to `working_directory`.
31 ///
32 /// Returns `true` on success.
33 bool Write(WorkingDirectory* working_directory);
34
35 private:
36 GoldenDigest(const GoldenDigest&) = delete;
37
38 GoldenDigest& operator=(const GoldenDigest&) = delete;
39 GoldenDigest();
40 struct Entry {
41 std::string test_name;
42 std::string filename;
43 int32_t width;
44 int32_t height;
45 double max_diff_pixels_percent;
46 int32_t max_color_delta;
47 };
48
49 static GoldenDigest* instance_;
50 std::vector<Entry> entries_;
51 std::map<std::string, std::string> dimensions_;
52 };
53 } // namespace testing
54 } // namespace impeller
55
56 #endif // FLUTTER_IMPELLER_GOLDEN_TESTS_GOLDEN_DIGEST_H_
impeller::testing::GoldenDigest::AddImage
void AddImage(const std::string &test_name, const std::string &filename, int32_t width, int32_t height)
Definition: golden_digest.cc:34
impeller::testing::WorkingDirectory
Definition: working_directory.h:17
impeller::testing::GoldenDigest
Manages a global variable for tracking instances of golden images.
Definition: golden_digest.h:19
working_directory.h
impeller::testing::GoldenDigest::Write
bool Write(WorkingDirectory *working_directory)
Definition: golden_digest.cc:42
impeller::testing::GoldenDigest::Instance
static GoldenDigest * Instance()
Definition: golden_digest.cc:18
impeller::testing::GoldenDigest::AddDimension
void AddDimension(const std::string &name, const std::string &value)
Definition: golden_digest.cc:27
impeller
Definition: aiks_blur_unittests.cc:20