revert back to convenience init for BarChartDataSet

fix ChartDataTests compile errors: use new API dataSet(forLabel:, ignorecase: )

Cartfile.resolved

@@ -1 +1 @@
-github "uber/ios-snapshot-test-case" "6.1.0"
+github "uber/ios-snapshot-test-case" "6.2.0"

Charts.xcodeproj/project.pbxproj

@@ -287,7 +287,7 @@
 		BD02157CF8CEE1189BF681DA /* PieChartDataEntry.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = PieChartDataEntry.swift; path = Source/Charts/Data/Implementations/Standard/PieChartDataEntry.swift; sourceTree = "<group>"; };
 		BD5C6D20243EC2F19069AACD /* CandleStickChartRenderer.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = CandleStickChartRenderer.swift; path = Source/Charts/Renderers/CandleStickChartRenderer.swift; sourceTree = "<group>"; };
 		BFABD027DAF6851088F002AC /* LineChartDataProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = LineChartDataProvider.swift; path = Source/Charts/Interfaces/LineChartDataProvider.swift; sourceTree = "<group>"; };
-		C03E6D8023DAAB2600083010 /* ChartDataTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChartDataTests.swift; sourceTree = "<group>"; };
+		C03E6D8023DAAB2600083010 /* ChartDataTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = ChartDataTests.swift; path = Tests/Charts/ChartDataTests.swift; sourceTree = "<group>"; };
 		C31AA65EA27776F8C653C7E8 /* BarChartDataSet.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = BarChartDataSet.swift; path = Source/Charts/Data/Implementations/Standard/BarChartDataSet.swift; sourceTree = "<group>"; };
 		C52E8344160B5E689DA3C25C /* ChevronDownShapeRenderer.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = ChevronDownShapeRenderer.swift; path = Source/Charts/Renderers/Scatter/ChevronDownShapeRenderer.swift; sourceTree = "<group>"; };
 		C574E1BC7E12D937A5471EF8 /* Info.plist */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.plist.xml; name = Info.plist; path = "Tests/Supporting Files/Info.plist"; sourceTree = "<group>"; };

Source/Charts/Data/Implementations/Standard/BarChartDataSet.swift

@@ -28,6 +28,11 @@ open class BarChartDataSet: BarLineScatterCandleBubbleChartDataSet, BarChartData
         super.init()
         initialize()
     }
+
+    public override convenience init(label: String)
+    {
+        self.init(entries:[], label: label)
+    }
     
     public override init(entries: [ChartDataEntry], label: String)
     {

ChartDataTests.swift → Tests/Charts/ChartDataTests.swift

@@ -45,25 +45,25 @@ class ChartDataTests: XCTestCase {
     }
     
     func testGetDataSetByLabelCaseSensitive() {
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.one, ignorecase: false)?.label == SetLabels.one)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.two, ignorecase: false)?.label == SetLabels.two)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.three, ignorecase: false)?.label == SetLabels.three)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.one.uppercased(), ignorecase: false) == nil)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.one, ignorecase: false)?.label == SetLabels.one)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.two, ignorecase: false)?.label == SetLabels.two)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.three, ignorecase: false)?.label == SetLabels.three)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.one.uppercased(), ignorecase: false) == nil)
     }
     
     func testGetDataSetByLabelIgnoreCase() {
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.one, ignorecase: true)?.label == SetLabels.one)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.two, ignorecase: true)?.label == SetLabels.two)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.three, ignorecase: true)?.label == SetLabels.three)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.one, ignorecase: true)?.label == SetLabels.one)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.two, ignorecase: true)?.label == SetLabels.two)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.three, ignorecase: true)?.label == SetLabels.three)
         
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.one.uppercased(), ignorecase: true)?.label == SetLabels.one)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.two.uppercased(), ignorecase: true)?.label == SetLabels.two)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.three.uppercased(), ignorecase: true)?.label == SetLabels.three)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.one.uppercased(), ignorecase: true)?.label == SetLabels.one)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.two.uppercased(), ignorecase: true)?.label == SetLabels.two)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.three.uppercased(), ignorecase: true)?.label == SetLabels.three)
     }
     
     func testGetDataSetByLabelNilWithBadLabel() {
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.badLabel, ignorecase: true) == nil)
-        XCTAssertTrue(data.getDataSetByLabel(SetLabels.badLabel, ignorecase: false) == nil)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.badLabel, ignorecase: true) == nil)
+        XCTAssertTrue(data.dataSet(forLabel: SetLabels.badLabel, ignorecase: false) == nil)
     }
 }