Added partial bar chart test coverage

@@ -21,7 +21,9 @@
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 		0AF7A8AF182AAEEF003645C4 /* PCChartViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 0AF7A8AE182AAEEF003645C4 /* PCChartViewController.m */; };
 		5C728F7B8AACCC0864A63B26 /* libPods-PNChartTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = B0A0D7DDAB496680487BF1E5 /* libPods-PNChartTests.a */; };
-		6E984E561AE2AF2D00E817A0 /* PNChartTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 6E984E551AE2AF2D00E817A0 /* PNChartTests.m */; };
+		6E984E5D1AE2B00600E817A0 /* PNBarChartTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 6E984E5C1AE2B00600E817A0 /* PNBarChartTests.m */; };
+		6E984E5E1AE2B03800E817A0 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
+		6E984E5F1AE2B03E00E817A0 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
 		91177ED8198DFAC400017E27 /* PNBar.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177EC9198DFAC400017E27 /* PNBar.m */; };
 		91177EDA198DFAC400017E27 /* PNBarChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECB198DFAC400017E27 /* PNBarChart.m */; };
 		91177EDC198DFAC400017E27 /* PNCircleChart.m in Sources */ = {isa = PBXBuildFile; fileRef = 91177ECD198DFAC400017E27 /* PNCircleChart.m */; };
@@ -75,7 +77,7 @@
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 		6E984E511AE2AF2D00E817A0 /* PNChartTests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = PNChartTests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		6E984E541AE2AF2D00E817A0 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
-		6E984E551AE2AF2D00E817A0 /* PNChartTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = PNChartTests.m; sourceTree = "<group>"; };
+		6E984E5C1AE2B00600E817A0 /* PNBarChartTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBarChartTests.m; sourceTree = "<group>"; };
 		91177EC8198DFAC400017E27 /* PNBar.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBar.h; sourceTree = "<group>"; };
 		91177EC9198DFAC400017E27 /* PNBar.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = PNBar.m; sourceTree = "<group>"; };
 		91177ECA198DFAC400017E27 /* PNBarChart.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PNBarChart.h; sourceTree = "<group>"; };
@@ -215,8 +217,8 @@
 		6E984E521AE2AF2D00E817A0 /* PNChartTests */ = {
 			isa = PBXGroup;
 			children = (
-				6E984E551AE2AF2D00E817A0 /* PNChartTests.m */,
 				6E984E531AE2AF2D00E817A0 /* Supporting Files */,
+				6E984E5C1AE2B00600E817A0 /* PNBarChartTests.m */,
 			);
 			path = PNChartTests;
 			sourceTree = "<group>";
@@ -456,7 +458,9 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				6E984E561AE2AF2D00E817A0 /* PNChartTests.m in Sources */,
+				6E984E5F1AE2B03E00E817A0 /* PNBarChart.m in Sources */,
+				6E984E5E1AE2B03800E817A0 /* PNBar.m in Sources */,
+				6E984E5D1AE2B00600E817A0 /* PNBarChartTests.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

+//
+//  PNBarChartTests.m
+//  PNChartDemo
+//
+//  Created by Viktoras Laukevičius on 18/04/15.
+//  Copyright (c) 2015 kevinzhow. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import <XCTest/XCTest.h>
+#define EXP_SHORTHAND
+#import <Expecta.h>
+#import "PNBarChart.h"
+#import "PNBar.h"
+
+@interface PNBarChartTests : XCTestCase
+
+@property (nonatomic, strong) PNBarChart *barChart;
+
+@end
+
+@implementation PNBarChartTests
+
+- (void)setUp
+{
+    [super setUp];
+    CGRect frame = CGRectMake(10, 20, 320, 200);
+    self.barChart = [[PNBarChart alloc] initWithFrame:frame];
+}
+
+- (void)tearDown
+{
+    self.barChart = nil;
+    [super tearDown];
+}
+
+- (void)testXAxisLabels
+{
+    self.barChart.xLabels = @[@"TOne", @"TTwo", @"TThree", @"TFour"];
+    expect(self.barChart.subviews.count).equal(4);
+    for (NSUInteger idx = 0; idx < 4; idx++) {
+        UILabel *xAxisLabel = self.barChart.subviews[idx];
+        expect(xAxisLabel.text).to.equal(self.barChart.xLabels[idx]);
+    }
+}
+
+- (void)testYAxisLabels
+{
+    self.barChart.yLabelFormatter = ^(CGFloat value) {
+        return [NSString stringWithFormat:@"Value %zi", (NSUInteger)value];
+    };
+    self.barChart.yValues = @[@1, @10, @5, @4, @7];
+    NSArray *expectedResults = @[@10, @8, @6, @5, @3, @1];
+    for (NSUInteger idx = 0; idx < 4; idx++) {
+        UILabel *yAxisLabel = self.barChart.subviews[idx];
+        expect(yAxisLabel.text).to.equal([NSString stringWithFormat:@"Value %@", expectedResults[idx]]);
+    }
+}
+
+- (void)testLabelsVisibility
+{
+    self.barChart.showLabel = NO;
+    self.barChart.yLabelFormatter = ^(CGFloat value) {
+        return [NSString stringWithFormat:@"Value %zi", (NSUInteger)value];
+    };
+    self.barChart.xLabels = @[@"TOne", @"TTwo", @"TThree", @"TFour"];
+    self.barChart.yValues = @[@1, @10, @5, @4, @7];
+    expect(self.barChart.subviews.count).to.equal(0);
+}
+
+- (void)testChartBars
+{
+    self.barChart.barBackgroundColor = [UIColor greenColor];
+    self.barChart.yLabelFormatter = ^(CGFloat value) {
+        return [NSString stringWithFormat:@"Value %zi", (NSUInteger)value];
+    };
+    self.barChart.yValues = @[@1, @2, @3];
+    NSArray *strokeColour = @[[UIColor greenColor], [UIColor redColor], [UIColor purpleColor]];
+    self.barChart.strokeColors = strokeColour;
+    [self.barChart strokeChart];
+    for (NSUInteger idx = 0; idx < self.barChart.bars.count; idx++) {
+        PNBar *bar = self.barChart.bars[idx];
+        expect(bar.backgroundColor).to.equal([UIColor greenColor]);
+        expect(bar.barColor).to.equal(strokeColour[idx]);
+    }
+}
+
+- (void)testStrokeColor
+{
+    self.barChart.yLabelFormatter = ^(CGFloat value) {
+        return [NSString stringWithFormat:@"Value %zi", (NSUInteger)value];
+    };
+    self.barChart.yValues = @[@1, @2, @3];
+    self.barChart.strokeColor = [UIColor magentaColor];
+    self.barChart.strokeColors = @[[UIColor greenColor], [UIColor redColor]];
+    [self.barChart strokeChart];
+    for (NSUInteger idx = 0; idx < self.barChart.bars.count; idx++) {
+        PNBar *bar = self.barChart.bars[idx];
+        expect(bar.barColor).equal(self.barChart.strokeColor);
+    }
+}
+
+- (void)testMaxValue
+{
+    self.barChart.yLabelFormatter = ^(CGFloat value) {
+        return [NSString stringWithFormat:@"Value %zi", (NSUInteger)value];
+    };
+    self.barChart.yMaxValue = 8;
+    self.barChart.yValues = @[@10, @8, @7, @3];
+    NSArray *expectedResults = @[@8, @6, @4, @2];
+    for (NSUInteger idx = 0; idx < expectedResults.count; idx++) {
+        UILabel *yAxisLabel = self.barChart.subviews[idx];
+        expect(yAxisLabel.text).to.equal([NSString stringWithFormat:@"Value %@", expectedResults[idx]]);
+    }
+}
+
+@end

-//
-//  PNChartTests.m
-//  PNChartTests
-//
-//  Created by Viktoras Laukevičius on 18/04/15.
-//  Copyright (c) 2015 kevinzhow. All rights reserved.
-//
-
-#import <UIKit/UIKit.h>
-#import <XCTest/XCTest.h>
-
-@interface PNChartTests : XCTestCase
-
-@end
-
-@implementation PNChartTests
-
-- (void)setUp {
-    [super setUp];
-    // Put setup code here. This method is called before the invocation of each test method in the class.
-}
-
-- (void)tearDown {
-    // Put teardown code here. This method is called after the invocation of each test method in the class.
-    [super tearDown];
-}
-
-- (void)testExample {
-    // This is an example of a functional test case.
-    XCTAssert(YES, @"Pass");
-}
-
-- (void)testPerformanceExample {
-    // This is an example of a performance test case.
-    [self measureBlock:^{
-        // Put the code you want to measure the time of here.
-    }];
-}
-
-@end