chrome/browser/ui/cocoa/hyperlink_text_view_unittest.mm

   1 // Copyright (c) 2011 The Chromium 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 #include "base/mac/scoped_nsobject.h"
   6 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
   7 #import "chrome/browser/ui/cocoa/hyperlink_text_view.h"
   8 #include "testing/gtest_mac.h"
   9
  10 namespace {
  11
  12 class HyperlinkTextViewTest : public CocoaTest {
  13  public:
  14   HyperlinkTextViewTest() {
  15     NSRect frame = NSMakeRect(0, 0, 50, 50);
  16     base::scoped_nsobject<HyperlinkTextView> view(
  17         [[HyperlinkTextView alloc] initWithFrame:frame]);
  18     view_ = view.get();
  19     [[test_window() contentView] addSubview:view_];
  20   }
  21
  22   NSFont* GetDefaultFont() {
  23     return [NSFont labelFontOfSize:
  24          [NSFont systemFontSizeForControlSize:NSRegularControlSize]];
  25   }
  26
  27   NSDictionary* GetDefaultTextAttributes() {
  28     const float kTextBaselineShift = -1.0;
  29     return @{
  30       NSForegroundColorAttributeName : [NSColor blackColor],
  31       NSCursorAttributeName : [NSCursor arrowCursor],
  32       NSFontAttributeName : GetDefaultFont(),
  33       NSBaselineOffsetAttributeName : @(kTextBaselineShift)
  34     };
  35   }
  36
  37   NSMutableDictionary* GetDefaultLinkAttributes() {
  38     if (!linkAttributes_.get()) {
  39       linkAttributes_.reset(
  40           [[NSMutableDictionary dictionaryWithDictionary:
  41               GetDefaultTextAttributes()] retain]);
  42       [linkAttributes_ addEntriesFromDictionary:@{
  43           NSForegroundColorAttributeName : [NSColor blueColor],
  44           NSUnderlineStyleAttributeName : @(YES),
  45           NSCursorAttributeName : [NSCursor pointingHandCursor],
  46           NSUnderlineStyleAttributeName : @(NSSingleUnderlineStyle),
  47           NSLinkAttributeName : @""}];
  48     }
  49     return [NSMutableDictionary dictionaryWithDictionary:linkAttributes_];
  50   }
  51
  52   HyperlinkTextView* view_;
  53
  54  private:
  55   base::scoped_nsobject<NSMutableDictionary> linkAttributes_;
  56 };
  57
  58 TEST_VIEW(HyperlinkTextViewTest, view_);
  59
  60 TEST_F(HyperlinkTextViewTest, TestViewConfiguration) {
  61   EXPECT_FALSE([view_ isEditable]);
  62   EXPECT_FALSE([view_ drawsBackground]);
  63   EXPECT_FALSE([view_ isHorizontallyResizable]);
  64   EXPECT_FALSE([view_ isVerticallyResizable]);
  65 }
  66
  67 TEST_F(HyperlinkTextViewTest, LinkInsertion) {
  68   // Test that setMessage:withLink:... inserts the link text.
  69   [view_ setMessageAndLink:@"This is a short text message"
  70                   withLink:@"alarmingly "
  71                   atOffset:10
  72                       font:GetDefaultFont()
  73               messageColor:[NSColor blackColor]
  74                  linkColor:[NSColor blueColor]];
  75   EXPECT_NSEQ(@"This is a alarmingly short text message",
  76               [[view_ textStorage] string]);
  77
  78   // Test insertion at end - most common use case.
  79   NSString* message=@"This is another test message ";
  80   [view_ setMessageAndLink:message
  81                   withLink:@"with link"
  82                   atOffset:[message length]
  83                       font:GetDefaultFont()
  84               messageColor:[NSColor blackColor]
  85                  linkColor:[NSColor blueColor]];
  86   EXPECT_NSEQ(@"This is another test message with link",
  87               [[view_ textStorage] string]);
  88 }
  89
  90 TEST_F(HyperlinkTextViewTest, AttributesForMessageWithLink) {
  91   // Verifies text attributes are set as expected for setMessageWithLink:...
  92   [view_ setMessageAndLink:@"aaabbbbb"
  93                   withLink:@"xxxx"
  94                   atOffset:3
  95                       font:GetDefaultFont()
  96               messageColor:[NSColor blackColor]
  97                  linkColor:[NSColor blueColor]];
  98
  99   NSDictionary* attributes;
 100   NSRange rangeLimit = NSMakeRange(0, 12);
 101   NSRange range;
 102   attributes = [[view_ textStorage] attributesAtIndex:0
 103                                 longestEffectiveRange:&range
 104                                               inRange:rangeLimit];
 105   EXPECT_EQ(0U, range.location);
 106   EXPECT_EQ(3U, range.length);
 107   EXPECT_NSEQ(GetDefaultTextAttributes(), attributes);
 108
 109   attributes = [[view_ textStorage] attributesAtIndex:3
 110                                 longestEffectiveRange:&range
 111                                               inRange:rangeLimit];
 112   EXPECT_EQ(3U, range.location);
 113   EXPECT_EQ(4U, range.length);
 114   EXPECT_NSEQ(GetDefaultLinkAttributes(), attributes);
 115
 116   attributes = [[view_ textStorage] attributesAtIndex:7
 117                                 longestEffectiveRange:&range
 118                                               inRange:rangeLimit];
 119   EXPECT_EQ(7U, range.location);
 120   EXPECT_EQ(5U, range.length);
 121   EXPECT_NSEQ(GetDefaultTextAttributes(), attributes);
 122
 123 }
 124
 125 TEST_F(HyperlinkTextViewTest, TestSetMessage) {
 126   // Verifies setMessage sets text and attributes properly.
 127   NSString* message = @"Test message";
 128   [view_ setMessage:message
 129            withFont:GetDefaultFont()
 130        messageColor:[NSColor blackColor]];
 131   EXPECT_NSEQ(@"Test message", [[view_ textStorage] string]);
 132
 133   NSDictionary* attributes;
 134   NSRange rangeLimit = NSMakeRange(0, [message length]);
 135   NSRange range;
 136   attributes = [[view_ textStorage] attributesAtIndex:0
 137                                 longestEffectiveRange:&range
 138                                               inRange:rangeLimit];
 139   EXPECT_EQ(0U, range.location);
 140   EXPECT_EQ([message length], range.length);
 141   EXPECT_NSEQ(GetDefaultTextAttributes(), attributes);
 142 }
 143
 144 TEST_F(HyperlinkTextViewTest, TestAddLinkRange) {
 145   NSString* message = @"One Two Three Four";
 146   [view_ setMessage:message
 147            withFont:GetDefaultFont()
 148        messageColor:[NSColor blackColor]];
 149
 150   NSColor* blue = [NSColor blueColor];
 151   [view_ addLinkRange:NSMakeRange(4,3) withName:@"Name:Two" linkColor:blue];
 152   [view_ addLinkRange:NSMakeRange(14,4) withName:@"Name:Four" linkColor:blue];
 153
 154   NSDictionary* attributes;
 155   NSRange rangeLimit = NSMakeRange(0, [message length]);
 156   NSRange range;
 157   attributes = [[view_ textStorage] attributesAtIndex:0
 158                                 longestEffectiveRange:&range
 159                                               inRange:rangeLimit];
 160   EXPECT_EQ(0U, range.location);
 161   EXPECT_EQ(4U, range.length);
 162   EXPECT_NSEQ(GetDefaultTextAttributes(), attributes);
 163
 164   NSMutableDictionary* linkAttributes = GetDefaultLinkAttributes();
 165   [linkAttributes setObject:@"Name:Two" forKey:NSLinkAttributeName];
 166   attributes = [[view_ textStorage] attributesAtIndex:4
 167                                 longestEffectiveRange:&range
 168                                               inRange:rangeLimit];
 169   EXPECT_EQ(4U, range.location);
 170   EXPECT_EQ(3U, range.length);
 171   EXPECT_NSEQ(linkAttributes, attributes);
 172
 173   attributes = [[view_ textStorage] attributesAtIndex:7
 174                                 longestEffectiveRange:&range
 175                                               inRange:rangeLimit];
 176   EXPECT_EQ(7U, range.location);
 177   EXPECT_EQ(7U, range.length);
 178   EXPECT_NSEQ(GetDefaultTextAttributes(), attributes);
 179
 180   [linkAttributes setObject:@"Name:Four" forKey:NSLinkAttributeName];
 181   attributes = [[view_ textStorage] attributesAtIndex:14
 182                                 longestEffectiveRange:&range
 183                                               inRange:rangeLimit];
 184   EXPECT_EQ(14U, range.location);
 185   EXPECT_EQ(4U, range.length);
 186   EXPECT_NSEQ(linkAttributes, attributes);
 187 }
 188
 189 }  // namespace