From ef76f22c4f5f41a55a31f1fdf829755aabd1c6a3 Mon Sep 17 00:00:00 2001
From: Mikhail Pozdnyakov <mikhail.pozdnyakov@mapbox.com>
Date: Fri, 8 May 2020 18:53:34 +0300
Subject: [test] Add StyleConversion.SetSourceGenericProperties test

---
 test/CMakeLists.txt                   |  1 +
 test/map/map.test.cpp                 | 10 +++---
 test/style/conversion/layer.test.cpp  |  2 +-
 test/style/conversion/source.test.cpp | 58 +++++++++++++++++++++++++++++++++++
 4 files changed, 64 insertions(+), 7 deletions(-)
 create mode 100644 test/style/conversion/source.test.cpp

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2ead99e4d8..a9337b5274 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -47,6 +47,7 @@ add_library(
     ${PROJECT_SOURCE_DIR}/test/style/conversion/layer.test.cpp
     ${PROJECT_SOURCE_DIR}/test/style/conversion/light.test.cpp
     ${PROJECT_SOURCE_DIR}/test/style/conversion/property_value.test.cpp
+    ${PROJECT_SOURCE_DIR}/test/style/conversion/source.test.cpp
     ${PROJECT_SOURCE_DIR}/test/style/conversion/stringify.test.cpp
     ${PROJECT_SOURCE_DIR}/test/style/conversion/tileset.test.cpp
     ${PROJECT_SOURCE_DIR}/test/style/expression/expression.test.cpp
diff --git a/test/map/map.test.cpp b/test/map/map.test.cpp
index 7ccd519181..0370f51707 100644
--- a/test/map/map.test.cpp
+++ b/test/map/map.test.cpp
@@ -1124,12 +1124,10 @@ TEST(Map, UniversalStyleGetter) {
     Source* imageSource = test.map.getStyle().getSource("image");
     ASSERT_TRUE(imageSource);
     checkConstProperty(imageSource, "url", "https://docs.mapbox.com/mapbox-gl-js/assets/radar.gif");
-    std::vector<Value> expectedCoordinates{
-        std::vector<Value>{-80.425, 46.437},
-        std::vector<Value>{-71.516, 46.437},
-        std::vector<Value>{-71.516, 37.936},
-        std::vector<Value>{-80.425, 37.936}
-    };
+    std::vector<Value> expectedCoordinates{std::vector<Value>{-80.425, 46.437},
+                                           std::vector<Value>{-71.516, 46.437},
+                                           std::vector<Value>{-71.516, 37.936},
+                                           std::vector<Value>{-80.425, 37.936}};
     checkConstProperty(imageSource, "coordinates", expectedCoordinates);
 
     // Non-existent
diff --git a/test/style/conversion/layer.test.cpp b/test/style/conversion/layer.test.cpp
index 079d7ce5a5..9d04c48d28 100644
--- a/test/style/conversion/layer.test.cpp
+++ b/test/style/conversion/layer.test.cpp
@@ -132,7 +132,7 @@ TEST(StyleConversion, OverrideDefaults) {
     EXPECT_EQ(2u, roundTrippedObject.at("paint").getObject()->size());
 }
 
-TEST(StyleConversion, SetGenericProperties) {
+TEST(StyleConversion, SetLayerGenericProperties) {
     auto layer = parseLayer(R"JSON({
         "type": "symbol",
         "id": "symbol",
diff --git a/test/style/conversion/source.test.cpp b/test/style/conversion/source.test.cpp
new file mode 100644
index 0000000000..e889e01d1d
--- /dev/null
+++ b/test/style/conversion/source.test.cpp
@@ -0,0 +1,58 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/conversion/json.hpp>
+#include <mbgl/style/conversion/source.hpp>
+
+using namespace mbgl;
+using namespace mbgl::style;
+using namespace mbgl::style::conversion;
+namespace {
+
+std::unique_ptr<Source> parseSource(const std::string& src, const std::string& sourceName) {
+    Error error;
+    auto source = convertJSON<std::unique_ptr<mbgl::style::Source>>(src, error, sourceName);
+    if (source) return std::move(*source);
+    return nullptr;
+}
+
+void checkConstProperty(std::unique_ptr<Source>& source, const std::string& propertyName, const mbgl::Value& expected) {
+    Value value = source->getProperty(propertyName);
+    EXPECT_EQ(expected, value) << propertyName;
+}
+
+void checkSetProperty(std::unique_ptr<Source>& source, const std::string& propertyName, const JSValue& value) {
+    auto error = source->setProperty(propertyName, Convertible(&value));
+    EXPECT_EQ(nullopt, error) << error->message;
+}
+
+} // namespace
+
+TEST(StyleConversion, SetSourceGenericProperties) {
+    auto source = parseSource(R"JSON({
+        "type": "vector",
+        "tiles": ["http://example.com/{z}-{x}-{y}.vector.pbf"],
+        "scheme": "xyz",
+        "minzoom": 11,
+        "maxzoom": 16,
+        "attribution": "mapbox",
+        "bounds": [-180, -73, -120, 73]
+    })JSON",
+                              "vector_source");
+
+    ASSERT_NE(nullptr, source);
+    checkConstProperty(source, "volatile", false);
+    checkSetProperty(source, "volatile", JSValue(true));
+    checkConstProperty(source, "volatile", true);
+
+    checkConstProperty(source, "minimum-tile-update-interval", 0.0);
+    checkSetProperty(source, "minimum-tile-update-interval", JSValue(10.5));
+    checkConstProperty(source, "minimum-tile-update-interval", 10.5);
+
+    checkConstProperty(source, "prefetch-zoom-delta", NullValue());
+    checkSetProperty(source, "prefetch-zoom-delta", JSValue(0));
+    checkConstProperty(source, "prefetch-zoom-delta", 0u);
+
+    checkConstProperty(source, "max-overscale-factor-for-parent-tiles", NullValue());
+    checkSetProperty(source, "max-overscale-factor-for-parent-tiles", JSValue(2));
+    checkConstProperty(source, "max-overscale-factor-for-parent-tiles", 2u);
+}
\ No newline at end of file
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