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add unit tests for horizontal bar chart, including default tests and …
…drawValues and drawValuesAboveBars default data entries included positive and negative values
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| // | ||
| // HorizontalBarChartTests.swift | ||
| // ChartsTests | ||
| // | ||
| // Created by Xuan Liu on 2019/3/20. | ||
| // | ||
|
|
||
| import XCTest | ||
| import FBSnapshotTestCase | ||
| @testable import Charts | ||
|
|
||
| class HorizontalBarChartTests: FBSnapshotTestCase | ||
| { | ||
|
|
||
| override func setUp() | ||
| { | ||
| super.setUp() | ||
| // Set to `true` to re-capture all snapshots | ||
| self.recordMode = false | ||
| } | ||
|
|
||
| override func tearDown() | ||
| { | ||
| // Put teardown code here. This method is called after the invocation of each test method in the class. | ||
| super.tearDown() | ||
| } | ||
|
|
||
| //MARK: Prepare | ||
| func setupCustomValuesDataEntries(values: [Double]) -> [ChartDataEntry] | ||
| { | ||
| var entries: [ChartDataEntry] = Array() | ||
| for (i, value) in values.enumerated() | ||
| { | ||
| entries.append(BarChartDataEntry(x: Double(i), y: value, icon: UIImage(named: "icon", in: Bundle(for: self.classForCoder), compatibleWith: nil))) | ||
| } | ||
| return entries | ||
| } | ||
|
|
||
| func setupStackedvaluesDataEntries() -> [ChartDataEntry] | ||
| { | ||
| var entries: [ChartDataEntry] = Array() | ||
| entries.append(BarChartDataEntry(x: 0, yValues: [28, 50, 60, 30, 42], icon: UIImage(named: "icon"))) | ||
| entries.append(BarChartDataEntry(x: 1, yValues: [-20, -36, -52, -40, -15], icon: UIImage(named: "icon"))) | ||
| entries.append(BarChartDataEntry(x: 2, yValues: [10, 30, 40, 90, 72], icon: UIImage(named: "icon"))) | ||
| entries.append(BarChartDataEntry(x: 3, yValues: [-40, -50, -30, -60, -20], icon: UIImage(named: "icon"))) | ||
| entries.append(BarChartDataEntry(x: 4, yValues: [10, 40, 60, 45, 62], icon: UIImage(named: "icon"))) | ||
| return entries | ||
| } | ||
|
|
||
| func setupDefaultValuesDataEntries() -> [ChartDataEntry] | ||
| { | ||
| let values: [Double] = [8, 104, -81, 93, 52, -44, 97, 101, -75, 28, | ||
| -76, 25, 20, -13, 52, 44, -57, 23, 45, -91, | ||
| 99, 14, -84, 48, 40, -71, 106, 41, -45, 61] | ||
| return setupCustomValuesDataEntries(values: values) | ||
| } | ||
|
|
||
| func setupDefaultDataSet(chartDataEntries: [ChartDataEntry]) -> BarChartDataSet | ||
| { | ||
| let dataSet = BarChartDataSet(entries: chartDataEntries, label: "Bar chart unit test data") | ||
| dataSet.drawIconsEnabled = false | ||
| dataSet.iconsOffset = CGPoint(x: 0, y: -10.0) | ||
| return dataSet | ||
| } | ||
|
|
||
| func setupDefaultStackedDataSet(chartDataEntries: [ChartDataEntry]) -> BarChartDataSet | ||
| { | ||
| let dataSet = BarChartDataSet(entries: chartDataEntries, label: "Stacked bar chart unit test data") | ||
| dataSet.drawIconsEnabled = false | ||
| dataSet.iconsOffset = CGPoint(x: 0, y: -10.0) | ||
| dataSet.colors = Array(arrayLiteral:NSUIColor(red: 46/255.0, green: 204/255.0, blue: 113/255.0, alpha: 1.0), | ||
| NSUIColor(red: 241/255.0, green: 196/255.0, blue: 15/255.0, alpha: 1.0), | ||
| NSUIColor(red: 231/255.0, green: 76/255.0, blue: 60/255.0, alpha: 1.0), | ||
| NSUIColor(red: 52/255.0, green: 152/255.0, blue: 219/255.0, alpha: 1.0) | ||
| ) | ||
| return dataSet | ||
| } | ||
|
|
||
| func setupDefaultChart(dataSets: [BarChartDataSet]) -> BarChartView | ||
| { | ||
| let data = BarChartData(dataSets: dataSets) | ||
| data.barWidth = 0.85 | ||
|
|
||
| let chart = HorizontalBarChartView(frame: CGRect(x: 0, y: 0, width: 480, height: 350)) | ||
| chart.backgroundColor = NSUIColor.clear | ||
| chart.data = data | ||
| return chart | ||
| } | ||
|
|
||
| //MARK: Start Test | ||
| func testDefaultValues() | ||
| { | ||
| let dataEntries = setupDefaultValuesDataEntries() | ||
| let dataSet = setupDefaultDataSet(chartDataEntries: dataEntries) | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
|
|
||
| func testHidesValues() | ||
| { | ||
| let dataEntries = setupDefaultValuesDataEntries() | ||
| let dataSet = setupDefaultDataSet(chartDataEntries: dataEntries) | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| dataSet.drawValuesEnabled = false | ||
| chart.notifyDataSetChanged() | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
|
|
||
| func testNotDrawValueAboveBars() | ||
| { | ||
| let dataEntries = setupDefaultValuesDataEntries() | ||
| let dataSet = setupDefaultDataSet(chartDataEntries: dataEntries) | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| chart.drawValueAboveBarEnabled = false | ||
| chart.notifyDataSetChanged() | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
|
|
||
| func testStackedDrawValues() | ||
| { | ||
| let dataEntries = setupStackedvaluesDataEntries() | ||
| let dataSet = setupDefaultStackedDataSet(chartDataEntries: dataEntries) | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| chart.notifyDataSetChanged() | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
|
|
||
| func testStackedNotDrawValues() | ||
| { | ||
| let dataEntries = setupStackedvaluesDataEntries() | ||
| let dataSet = setupDefaultStackedDataSet(chartDataEntries: dataEntries) | ||
| dataSet.drawValuesEnabled = false | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| chart.notifyDataSetChanged() | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
|
|
||
| func testStackedNotDrawValuesAboveBars() | ||
| { | ||
| let dataEntries = setupStackedvaluesDataEntries() | ||
| let dataSet = setupDefaultStackedDataSet(chartDataEntries: dataEntries) | ||
| let chart = setupDefaultChart(dataSets: [dataSet]) | ||
| chart.drawValueAboveBarEnabled = false | ||
| chart.notifyDataSetChanged() | ||
| FBSnapshotVerifyView(chart, identifier: Snapshot.identifier(UIScreen.main.bounds.size), tolerance: Snapshot.tolerance) | ||
| } | ||
| } |
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