Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package android.widget.espresso; |
| 18 | |
| 19 | import static android.support.test.espresso.matcher.ViewMatchers.assertThat; |
| 20 | import static com.android.internal.util.Preconditions.checkNotNull; |
| 21 | import static org.hamcrest.Matchers.is; |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 22 | import static org.hamcrest.number.IsCloseTo.closeTo; |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 23 | |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 24 | import android.annotation.IntDef; |
| 25 | import android.graphics.Rect; |
| 26 | import android.graphics.drawable.Drawable; |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 27 | import android.support.test.espresso.NoMatchingViewException; |
| 28 | import android.support.test.espresso.ViewAssertion; |
Abodunrinwa Toki | ea6cb12 | 2017-04-28 22:14:13 +0100 | [diff] [blame] | 29 | import android.text.Spanned; |
| 30 | import android.text.TextUtils; |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 31 | import android.view.View; |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 32 | import android.widget.EditText; |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 33 | import android.widget.TextView; |
| 34 | |
| 35 | import junit.framework.AssertionFailedError; |
| 36 | import org.hamcrest.Matcher; |
| 37 | |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 38 | import java.lang.annotation.Retention; |
| 39 | import java.lang.annotation.RetentionPolicy; |
| 40 | |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 41 | /** |
| 42 | * A collection of assertions on a {@link android.widget.TextView}. |
| 43 | */ |
| 44 | public final class TextViewAssertions { |
| 45 | |
| 46 | private TextViewAssertions() {} |
| 47 | |
| 48 | /** |
| 49 | * Returns a {@link ViewAssertion} that asserts that the text view has a specified |
| 50 | * selection.<br> |
| 51 | * <br> |
| 52 | * View constraints: |
| 53 | * <ul> |
| 54 | * <li>must be a text view displayed on screen |
| 55 | * <ul> |
| 56 | * |
| 57 | * @param selection The expected selection. |
| 58 | */ |
| 59 | public static ViewAssertion hasSelection(String selection) { |
Abodunrinwa Toki | 8a5e1ae | 2015-09-28 21:59:04 +0100 | [diff] [blame] | 60 | return hasSelection(is(selection)); |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Returns a {@link ViewAssertion} that asserts that the text view has a specified |
| 65 | * selection.<br> |
| 66 | * <br> |
| 67 | * View constraints: |
| 68 | * <ul> |
| 69 | * <li>must be a text view displayed on screen |
| 70 | * <ul> |
| 71 | * |
| 72 | * @param selection A matcher representing the expected selection. |
| 73 | */ |
| 74 | public static ViewAssertion hasSelection(Matcher<String> selection) { |
| 75 | return new TextSelectionAssertion(selection); |
| 76 | } |
| 77 | |
| 78 | /** |
Abodunrinwa Toki | 8a5e1ae | 2015-09-28 21:59:04 +0100 | [diff] [blame] | 79 | * Returns a {@link ViewAssertion} that asserts that the text view insertion pointer is at |
| 80 | * a specified index.<br> |
| 81 | * <br> |
| 82 | * View constraints: |
| 83 | * <ul> |
| 84 | * <li>must be a text view displayed on screen |
| 85 | * <ul> |
| 86 | * |
| 87 | * @param index The expected index. |
| 88 | */ |
| 89 | public static ViewAssertion hasInsertionPointerAtIndex(int index) { |
| 90 | return hasInsertionPointerAtIndex(is(index)); |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Returns a {@link ViewAssertion} that asserts that the text view insertion pointer is at |
| 95 | * a specified index.<br> |
| 96 | * <br> |
| 97 | * View constraints: |
| 98 | * <ul> |
| 99 | * <li>must be a text view displayed on screen |
| 100 | * <ul> |
| 101 | * |
| 102 | * @param index A matcher representing the expected index. |
| 103 | */ |
| 104 | public static ViewAssertion hasInsertionPointerAtIndex(final Matcher<Integer> index) { |
Abodunrinwa Toki | ea6cb12 | 2017-04-28 22:14:13 +0100 | [diff] [blame] | 105 | return (view, exception) -> { |
| 106 | if (view instanceof TextView) { |
| 107 | TextView textView = (TextView) view; |
| 108 | int selectionStart = textView.getSelectionStart(); |
| 109 | int selectionEnd = textView.getSelectionEnd(); |
| 110 | try { |
| 111 | assertThat(selectionStart, index); |
| 112 | assertThat(selectionEnd, index); |
| 113 | } catch (IndexOutOfBoundsException e) { |
| 114 | throw new AssertionFailedError(e.getMessage()); |
Abodunrinwa Toki | 8a5e1ae | 2015-09-28 21:59:04 +0100 | [diff] [blame] | 115 | } |
Abodunrinwa Toki | ea6cb12 | 2017-04-28 22:14:13 +0100 | [diff] [blame] | 116 | } else { |
| 117 | throw new AssertionFailedError("TextView not found"); |
Abodunrinwa Toki | 8a5e1ae | 2015-09-28 21:59:04 +0100 | [diff] [blame] | 118 | } |
| 119 | }; |
| 120 | } |
| 121 | |
| 122 | /** |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 123 | * Returns a {@link ViewAssertion} that asserts that the EditText insertion pointer is on |
| 124 | * the left edge. |
| 125 | */ |
| 126 | public static ViewAssertion hasInsertionPointerOnLeft() { |
| 127 | return new CursorPositionAssertion(CursorPositionAssertion.LEFT); |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Returns a {@link ViewAssertion} that asserts that the EditText insertion pointer is on |
| 132 | * the right edge. |
| 133 | */ |
| 134 | public static ViewAssertion hasInsertionPointerOnRight() { |
| 135 | return new CursorPositionAssertion(CursorPositionAssertion.RIGHT); |
| 136 | } |
| 137 | |
| 138 | /** |
Abodunrinwa Toki | ea6cb12 | 2017-04-28 22:14:13 +0100 | [diff] [blame] | 139 | * Returns a {@link ViewAssertion} that asserts that the TextView does not contain styled text. |
| 140 | */ |
| 141 | public static ViewAssertion doesNotHaveStyledText() { |
| 142 | return (view, exception) -> { |
| 143 | final CharSequence text = ((TextView) view).getText(); |
| 144 | if (text instanceof Spanned && !TextUtils.hasStyleSpan((Spanned) text)) { |
| 145 | return; |
| 146 | } |
| 147 | throw new AssertionFailedError("TextView has styled text"); |
| 148 | }; |
| 149 | } |
| 150 | |
| 151 | /** |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 152 | * A {@link ViewAssertion} to check the selected text in a {@link TextView}. |
| 153 | */ |
| 154 | private static final class TextSelectionAssertion implements ViewAssertion { |
| 155 | |
| 156 | private final Matcher<String> mSelection; |
| 157 | |
| 158 | public TextSelectionAssertion(Matcher<String> selection) { |
| 159 | mSelection = checkNotNull(selection); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | public void check(View view, NoMatchingViewException exception) { |
| 164 | if (view instanceof TextView) { |
| 165 | TextView textView = (TextView) view; |
| 166 | int selectionStart = textView.getSelectionStart(); |
| 167 | int selectionEnd = textView.getSelectionEnd(); |
| 168 | try { |
| 169 | String selectedText = textView.getText() |
| 170 | .subSequence(selectionStart, selectionEnd) |
| 171 | .toString(); |
| 172 | assertThat(selectedText, mSelection); |
| 173 | } catch (IndexOutOfBoundsException e) { |
| 174 | throw new AssertionFailedError(e.getMessage()); |
| 175 | } |
| 176 | } else { |
| 177 | throw new AssertionFailedError("TextView not found"); |
| 178 | } |
| 179 | } |
| 180 | } |
Siyamed Sinir | 987ec65 | 2016-02-17 19:44:41 -0800 | [diff] [blame] | 181 | |
| 182 | /** |
| 183 | * {@link ViewAssertion} to check that EditText cursor is on a given position. |
| 184 | */ |
| 185 | static class CursorPositionAssertion implements ViewAssertion { |
| 186 | |
| 187 | @Retention(RetentionPolicy.SOURCE) |
| 188 | @IntDef({LEFT, RIGHT}) |
| 189 | public @interface CursorEdgePositionType {} |
| 190 | public static final int LEFT = 0; |
| 191 | public static final int RIGHT = 1; |
| 192 | |
| 193 | private final int mPosition; |
| 194 | |
| 195 | private CursorPositionAssertion(@CursorEdgePositionType int position) { |
| 196 | this.mPosition = position; |
| 197 | } |
| 198 | |
| 199 | @Override |
| 200 | public void check(View view, NoMatchingViewException exception) { |
| 201 | if (!(view instanceof EditText)) { |
| 202 | throw new AssertionFailedError("View should be an instance of EditText"); |
| 203 | } |
| 204 | EditText editText = (EditText) view; |
| 205 | Drawable drawable = editText.getEditorForTesting().getCursorDrawable()[0]; |
| 206 | Rect drawableBounds = drawable.getBounds(); |
| 207 | Rect drawablePadding = new Rect(); |
| 208 | drawable.getPadding(drawablePadding); |
| 209 | |
| 210 | final int diff; |
| 211 | final String positionStr; |
| 212 | switch (mPosition) { |
| 213 | case LEFT: |
| 214 | positionStr = "left"; |
| 215 | diff = drawableBounds.left - editText.getScrollX() + drawablePadding.left; |
| 216 | break; |
| 217 | case RIGHT: |
| 218 | positionStr = "right"; |
| 219 | int maxRight = editText.getWidth() - editText.getCompoundPaddingRight() |
| 220 | - editText.getCompoundPaddingLeft() + editText.getScrollX(); |
| 221 | diff = drawableBounds.right - drawablePadding.right - maxRight; |
| 222 | break; |
| 223 | default: |
| 224 | throw new AssertionFailedError("Unknown position for cursor assertion"); |
| 225 | } |
| 226 | |
| 227 | assertThat("Cursor should be on the " + positionStr, Double.valueOf(diff), |
| 228 | closeTo(0f, 1f)); |
| 229 | } |
| 230 | } |
Abodunrinwa Toki | ca4aaf3 | 2015-09-22 20:31:21 +0100 | [diff] [blame] | 231 | } |