components/autofill/core/browser/form_field_unittest.cc

   1 // Copyright 2013 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/memory/scoped_vector.h"
   6 #include "base/strings/string16.h"
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "components/autofill/core/browser/autofill_field.h"
   9 #include "components/autofill/core/browser/form_field.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11
  12 using base::ASCIIToUTF16;
  13
  14 namespace autofill {
  15
  16 TEST(FormFieldTest, Match) {
  17   AutofillField field;
  18
  19   // Empty strings match.
  20   EXPECT_TRUE(FormField::Match(&field, base::string16(),
  21                                FormField::MATCH_LABEL));
  22
  23   // Empty pattern matches non-empty string.
  24   field.label = ASCIIToUTF16("a");
  25   EXPECT_TRUE(FormField::Match(&field, base::string16(),
  26                                FormField::MATCH_LABEL));
  27
  28   // Strictly empty pattern matches empty string.
  29   field.label = base::string16();
  30   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^$"),
  31               FormField::MATCH_LABEL));
  32
  33   // Strictly empty pattern does not match non-empty string.
  34   field.label = ASCIIToUTF16("a");
  35   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^$"),
  36                FormField::MATCH_LABEL));
  37
  38   // Non-empty pattern doesn't match empty string.
  39   field.label = base::string16();
  40   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("a"),
  41                FormField::MATCH_LABEL));
  42
  43   // Beginning of line.
  44   field.label = ASCIIToUTF16("head_tail");
  45   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^head"),
  46               FormField::MATCH_LABEL));
  47   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^tail"),
  48                FormField::MATCH_LABEL));
  49
  50   // End of line.
  51   field.label = ASCIIToUTF16("head_tail");
  52   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("head$"),
  53                FormField::MATCH_LABEL));
  54   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("tail$"),
  55               FormField::MATCH_LABEL));
  56
  57   // Exact.
  58   field.label = ASCIIToUTF16("head_tail");
  59   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^head$"),
  60                FormField::MATCH_LABEL));
  61   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("^tail$"),
  62                FormField::MATCH_LABEL));
  63   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("^head_tail$"),
  64               FormField::MATCH_LABEL));
  65
  66   // Escaped dots.
  67   field.label = ASCIIToUTF16("m.i.");
  68   // Note: This pattern is misleading as the "." characters are wild cards.
  69   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m.i."),
  70               FormField::MATCH_LABEL));
  71   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m\\.i\\."),
  72               FormField::MATCH_LABEL));
  73   field.label = ASCIIToUTF16("mXiX");
  74   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("m.i."),
  75               FormField::MATCH_LABEL));
  76   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("m\\.i\\."),
  77                FormField::MATCH_LABEL));
  78
  79   // Repetition.
  80   field.label = ASCIIToUTF16("headtail");
  81   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"),
  82               FormField::MATCH_LABEL));
  83   field.label = ASCIIToUTF16("headXtail");
  84   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"),
  85               FormField::MATCH_LABEL));
  86   field.label = ASCIIToUTF16("headXXXtail");
  87   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.*tail"),
  88               FormField::MATCH_LABEL));
  89   field.label = ASCIIToUTF16("headtail");
  90   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("head.+tail"),
  91                FormField::MATCH_LABEL));
  92   field.label = ASCIIToUTF16("headXtail");
  93   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.+tail"),
  94               FormField::MATCH_LABEL));
  95   field.label = ASCIIToUTF16("headXXXtail");
  96   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head.+tail"),
  97               FormField::MATCH_LABEL));
  98
  99   // Alternation.
 100   field.label = ASCIIToUTF16("head_tail");
 101   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head|other"),
 102               FormField::MATCH_LABEL));
 103   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("tail|other"),
 104               FormField::MATCH_LABEL));
 105   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("bad|good"),
 106                FormField::MATCH_LABEL));
 107
 108   // Case sensitivity.
 109   field.label = ASCIIToUTF16("xxxHeAd_tAiLxxx");
 110   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("head_tail"),
 111               FormField::MATCH_LABEL));
 112
 113   // Word boundaries.
 114   field.label = ASCIIToUTF16("contains word:");
 115   EXPECT_TRUE(FormField::Match(&field, ASCIIToUTF16("\\bword\\b"),
 116                                FormField::MATCH_LABEL));
 117   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("\\bcon\\b"),
 118                                 FormField::MATCH_LABEL));
 119   // Make sure the circumflex in 'crepe' is not treated as a word boundary.
 120   field.label = base::UTF8ToUTF16("cr" "\xC3\xAA" "pe");
 121   EXPECT_FALSE(FormField::Match(&field, ASCIIToUTF16("\\bcr\\b"),
 122                                 FormField::MATCH_LABEL));
 123 }
 124
 125 // Test that we ignore checkable elements.
 126 TEST(FormFieldTest, ParseFormFields) {
 127   ScopedVector<AutofillField> fields;
 128   FormFieldData field_data;
 129   field_data.form_control_type = "text";
 130
 131   field_data.label = ASCIIToUTF16("Address line1");
 132   fields.push_back(new AutofillField(field_data, field_data.label));
 133
 134   field_data.is_checkable = true;
 135   field_data.label = ASCIIToUTF16("Is PO Box");
 136   fields.push_back(new AutofillField(field_data, field_data.label));
 137
 138   // reset |is_checkable| to false.
 139   field_data.is_checkable = false;
 140
 141   field_data.label = ASCIIToUTF16("Address line2");
 142   fields.push_back(new AutofillField(field_data, field_data.label));
 143
 144   ServerFieldTypeMap field_type_map;
 145   FormField::ParseFormFields(fields.get(), true, &field_type_map);
 146   // Does not parse since there are only 2 recognized fields.
 147   ASSERT_EQ(0U, field_type_map.size());
 148
 149   field_data.label = ASCIIToUTF16("City");
 150   fields.push_back(new AutofillField(field_data, field_data.label));
 151
 152   // Checkable element shouldn't interfere with inference of Address line2.
 153   field_type_map.clear();
 154   FormField::ParseFormFields(fields.get(), true, &field_type_map);
 155   ASSERT_EQ(3U, field_type_map.size());
 156
 157   EXPECT_EQ(ADDRESS_HOME_LINE1,
 158             field_type_map.find(ASCIIToUTF16("Address line1"))->second);
 159   EXPECT_EQ(ADDRESS_HOME_LINE2,
 160             field_type_map.find(ASCIIToUTF16("Address line2"))->second);
 161 }
 162
 163 }  // namespace autofill