lint/cli/src/test/java/com/android/tools/lint/checks/ClickableViewAccessibilityDetectorTest.java

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.tools.lint.checks;

import com.android.tools.lint.detector.api.Detector;

public class ClickableViewAccessibilityDetectorTest extends AbstractCheckTest {

    @Override
    protected Detector getDetector() {
        return new ClickableViewAccessibilityDetector();
    }

    public void testWarningWhenViewOverridesOnTouchEventButNotPerformClick() throws Exception {
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:16: Warning: Custom view test/pkg/ClickableViewAccessibilityTest$ViewOverridesOnTouchEventButNotPerformClick overrides onTouchEvent but not performClick [ClickableViewAccessibility]\n"
                + "        public boolean onTouchEvent(MotionEvent event) {\n"
                + "                       ~~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ViewOverridesOnTouchEventButNotPerformClick.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ViewOverridesOnTouchEventButNotPerformClick.class"
            ));
    }

    public void testWarningWhenOnTouchEventDoesNotCallPerformClick() throws Exception {
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:28: Warning: test/pkg/ClickableViewAccessibilityTest$ViewDoesNotCallPerformClick#onTouchEvent should call test/pkg/ClickableViewAccessibilityTest$ViewDoesNotCallPerformClick#performClick when a click is detected [ClickableViewAccessibility]\n"
                + "        public boolean onTouchEvent(MotionEvent event) {\n"
                + "                       ~~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ViewDoesNotCallPerformClick.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ViewDoesNotCallPerformClick.class"
            ));
    }

    public void testWarningWhenPerformClickDoesNotCallSuper() throws Exception {
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:44: Warning: test/pkg/ClickableViewAccessibilityTest$PerformClickDoesNotCallSuper#performClick should call super#performClick [ClickableViewAccessibility]\n"
                + "        public boolean performClick() {\n"
                + "                       ~~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$PerformClickDoesNotCallSuper.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$PerformClickDoesNotCallSuper.class"
            ));
    }

    public void testNoWarningOnValidView() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ValidView.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ValidView.class"
            ));
    }

    public void testNoWarningOnNonViewSubclass() throws Exception {
        assertEquals(
            "No warnings.",
        lintProject(
            "bytecode/.classpath=>.classpath",
            "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
            "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
            "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
            "bytecode/ClickableViewAccessibilityTest$NotAView.class.data=>"
                + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NotAView.class"
        ));
    }

    public void testWarningOnViewSubclass() throws Exception {
        // ViewSubclass is actually a subclass of ValidView. This tests that we can detect
        // tests further down in the inheritance hierarchy than direct children of View.
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:84: Warning: test/pkg/ClickableViewAccessibilityTest$ViewSubclass#performClick should call super#performClick [ClickableViewAccessibility]\n"
                + "        public boolean performClick() {\n"
                + "                       ~~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ValidView.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ValidView.class",
                "bytecode/ClickableViewAccessibilityTest$ViewSubclass.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ViewSubclass.class"
                ));
    }

    public void testNoWarningOnOnTouchEventWithDifferentSignature() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ViewWithDifferentOnTouchEvent.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ViewWithDifferentOnTouchEvent.class"
            ));
    }

    public void testNoWarningOnPerformClickWithDifferentSignature() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ViewWithDifferentPerformClick.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ViewWithDifferentPerformClick.class"
            ));
    }

    public void testWarningWhenSetOnTouchListenerCalledOnViewWithNoPerformClick() throws Exception {
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:124: Warning: Custom view test/pkg/ClickableViewAccessibilityTest$NoPerformClick has setOnTouchListener called on it but does not override performClick [ClickableViewAccessibility]\n"
                + "            view.setOnTouchListener(new ValidOnTouchListener());\n"
                + "                 ~~~~~~~~~~~~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$NoPerformClick.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NoPerformClick.class",
                "bytecode/ClickableViewAccessibilityTest$NoPerformClickOnTouchListenerSetter.class.data=>"
                    + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NoPerformClickOnTouchListenerSetter.class",
                "bytecode/ClickableViewAccessibilityTest$ValidOnTouchListener.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ValidOnTouchListener.class"
            ));
    }

    public void testNoWarningWhenSetOnTouchListenerNotCalledOnViewWithNoPerformClick() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$NoPerformClick.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NoPerformClick.class"
            ));
    }

    public void testNoWarningWhenSetOnTouchListenerCalledOnViewWithPerformClick() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest$HasPerformClick.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$HasPerformClick.class",
                "bytecode/ClickableViewAccessibilityTest$HasPerformClickOnTouchListenerSetter.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$HasPerformClickOnTouchListenerSetter.class"
            ));
    }

    public void testNoWarningWhenOnTouchListenerCalledOnNonViewSubclass() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$NotAView.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NotAView.class",
                "bytecode/ClickableViewAccessibilityTest$NotAViewOnTouchListenerSetter.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$NotAViewOnTouchListenerSetter.class"
            ));
    }

    public void testNoWarningWhenOnTouchCallsPerformClick() throws Exception {
        assertEquals(
            "No warnings.",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$ValidOnTouchListener.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$ValidOnTouchListener.class"
            ));
    }

    public void testWarningWhenOnTouchDoesNotCallPerformClick() throws Exception {
        assertEquals(
            "src/test/pkg/ClickableViewAccessibilityTest.java:162: Warning: test/pkg/ClickableViewAccessibilityTest$InvalidOnTouchListener#onTouch should call View#performClick when a click is detected [ClickableViewAccessibility]\n"
                + "        public boolean onTouch(View v, MotionEvent event) {\n"
                + "                       ~~~~~~~\n"
                + "0 errors, 1 warnings\n",
            lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$InvalidOnTouchListener.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$InvalidOnTouchListener.class"
            ));
    }

    public void testNoWarningWhenAnonymousOnTouchListenerCallsPerformClick() throws Exception {
        assertEquals(
           "No warnings.",
           lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$AnonymousValidOnTouchListener.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$AnonymousValidOnTouchListener.class",
               "bytecode/ClickableViewAccessibilityTest$AnonymousValidOnTouchListener$1.class.data=>"
                       + "bin/classes/test/pkg/ClickableViewAccessibilityTest$AnonymousValidOnTouchListener$1.class"
            ));
    }


    public void testWarningWhenAnonymousOnTouchListenerDoesNotCallPerformClick() throws Exception {
      assertEquals(
           "src/test/pkg/ClickableViewAccessibilityTest.java:182: Warning: test/pkg/ClickableViewAccessibilityTest$AnonymousInvalidOnTouchListener$1#onTouch should call View#performClick when a click is detected [ClickableViewAccessibility]\n"
               + "                public boolean onTouch(View v, MotionEvent event) {\n"
               + "                               ~~~~~~~\n"
               + "0 errors, 1 warnings\n",
           lintProject(
                "bytecode/.classpath=>.classpath",
                "bytecode/AndroidManifest.xml=>AndroidManifest.xml",
                "bytecode/ClickableViewAccessibilityTest.java.txt=>src/test/pkg/ClickableViewAccessibilityTest.java",
                "bytecode/ClickableViewAccessibilityTest.class.data=>bin/classes/test/pkg/ClickableViewAccessibilityTest.class",
                "bytecode/ClickableViewAccessibilityTest$AnonymousInvalidOnTouchListener.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$AnonymousInvalidOnTouchListener.class",
                "bytecode/ClickableViewAccessibilityTest$AnonymousInvalidOnTouchListener$1.class.data=>"
                        + "bin/classes/test/pkg/ClickableViewAccessibilityTest$AnonymousInvalidOnTouchListener$1.class"
            ));
    }
}