blob: 74fc3bf1149ceaa21a0fb35fdbc16ef9d3daaebd [file] [log] [blame]
<!DOCTYPE html>
<!--
@license
Copyright (C) 2016 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.
-->
<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-syntax-layer</title>
<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="../../shared/gr-rest-api-interface/mock-diff-response_test.html">
<link rel="import" href="gr-syntax-layer.html">
<script>void(0);</script>
<test-fixture id="basic">
<template>
<gr-syntax-layer></gr-syntax-layer>
</template>
</test-fixture>
<script>
suite('gr-syntax-layer tests', () => {
let sandbox;
let diff;
let element;
function getMockHLJS() {
const html = '<span class="gr-diff gr-syntax gr-syntax-string">' +
'ipsum</span>';
return {
configure() {},
highlight(lang, line, ignore, state) {
return {
value: line.replace(/ipsum/, html),
top: state === undefined ? 1 : state + 1,
};
},
};
}
setup(() => {
sandbox = sinon.sandbox.create();
element = fixture('basic');
const mock = document.createElement('mock-diff-response');
diff = mock.diffResponse;
element.diff = diff;
});
teardown(() => {
sandbox.restore();
});
test('annotate without range does nothing', () => {
const annotationSpy = sandbox.spy(GrAnnotation, 'annotateElement');
const el = document.createElement('div');
el.textContent = 'Etiam dui, blandit wisi.';
const line = new GrDiffLine(GrDiffLine.Type.REMOVE);
line.beforeNumber = 12;
element.annotate(el, line);
assert.isFalse(annotationSpy.called);
});
test('annotate with range applies it', () => {
const str = 'Etiam dui, blandit wisi.';
const start = 6;
const length = 3;
const className = 'foobar';
const annotationSpy = sandbox.spy(GrAnnotation, 'annotateElement');
const el = document.createElement('div');
el.textContent = str;
const line = new GrDiffLine(GrDiffLine.Type.REMOVE);
line.beforeNumber = 12;
element._baseRanges[11] = [{
start,
length,
className,
}];
element.annotate(el, line);
assert.isTrue(annotationSpy.called);
assert.equal(annotationSpy.lastCall.args[0], el);
assert.equal(annotationSpy.lastCall.args[1], start);
assert.equal(annotationSpy.lastCall.args[2], length);
assert.equal(annotationSpy.lastCall.args[3], className);
assert.isOk(el.querySelector('hl.' + className));
});
test('annotate with range but disabled does nothing', () => {
const str = 'Etiam dui, blandit wisi.';
const start = 6;
const length = 3;
const className = 'foobar';
const annotationSpy = sandbox.spy(GrAnnotation, 'annotateElement');
const el = document.createElement('div');
el.textContent = str;
const line = new GrDiffLine(GrDiffLine.Type.REMOVE);
line.beforeNumber = 12;
element._baseRanges[11] = [{
start,
length,
className,
}];
element.enabled = false;
element.annotate(el, line);
assert.isFalse(annotationSpy.called);
});
test('process on empty diff does nothing', done => {
element.diff = {
meta_a: {content_type: 'application/json'},
meta_b: {content_type: 'application/json'},
content: [],
};
const processNextSpy = sandbox.spy(element, '_processNextLine');
const processPromise = element.process();
processPromise.then(() => {
assert.isFalse(processNextSpy.called);
assert.equal(element._baseRanges.length, 0);
assert.equal(element._revisionRanges.length, 0);
done();
});
});
test('process for unsupported languages does nothing', done => {
element.diff = {
meta_a: {content_type: 'text/x+objective-cobol-plus-plus'},
meta_b: {content_type: 'application/not-a-real-language'},
content: [],
};
const processNextSpy = sandbox.spy(element, '_processNextLine');
const processPromise = element.process();
processPromise.then(() => {
assert.isFalse(processNextSpy.called);
assert.equal(element._baseRanges.length, 0);
assert.equal(element._revisionRanges.length, 0);
done();
});
});
test('process while disabled does nothing', done => {
const processNextSpy = sandbox.spy(element, '_processNextLine');
element.enabled = false;
const loadHLJSSpy = sandbox.spy(element, '_loadHLJS');
const processPromise = element.process();
processPromise.then(() => {
assert.isFalse(processNextSpy.called);
assert.equal(element._baseRanges.length, 0);
assert.equal(element._revisionRanges.length, 0);
assert.isFalse(loadHLJSSpy.called);
done();
});
});
test('process highlight ipsum', done => {
element.diff.meta_a.content_type = 'application/json';
element.diff.meta_b.content_type = 'application/json';
const mockHLJS = getMockHLJS();
const highlightSpy = sinon.spy(mockHLJS, 'highlight');
sandbox.stub(element.$.libLoader, 'get',
() => { return Promise.resolve(mockHLJS); });
const processNextSpy = sandbox.spy(element, '_processNextLine');
const processPromise = element.process();
processPromise.then(() => {
const linesA = diff.meta_a.lines;
const linesB = diff.meta_b.lines;
assert.isTrue(processNextSpy.called);
assert.equal(element._baseRanges.length, linesA);
assert.equal(element._revisionRanges.length, linesB);
assert.equal(highlightSpy.callCount, linesA + linesB);
// The first line of both sides have a range.
let ranges = [element._baseRanges[0], element._revisionRanges[0]];
for (const range of ranges) {
assert.equal(range.length, 1);
assert.equal(range[0].className,
'gr-diff gr-syntax gr-syntax-string');
assert.equal(range[0].start, 'lorem '.length);
assert.equal(range[0].length, 'ipsum'.length);
}
// There are no ranges from ll.1-12 on the left and ll.1-11 on the
// right.
ranges = element._baseRanges.slice(1, 12)
.concat(element._revisionRanges.slice(1, 11));
for (const range of ranges) {
assert.equal(range.length, 0);
}
// There should be another pair of ranges on l.13 for the left and
// l.12 for the right.
ranges = [element._baseRanges[13], element._revisionRanges[12]];
for (const range of ranges) {
assert.equal(range.length, 1);
assert.equal(range[0].className,
'gr-diff gr-syntax gr-syntax-string');
assert.equal(range[0].start, 32);
assert.equal(range[0].length, 'ipsum'.length);
}
// The next group should have a similar instance on either side.
let range = element._baseRanges[15];
assert.equal(range.length, 1);
assert.equal(range[0].className, 'gr-diff gr-syntax gr-syntax-string');
assert.equal(range[0].start, 34);
assert.equal(range[0].length, 'ipsum'.length);
range = element._revisionRanges[14];
assert.equal(range.length, 1);
assert.equal(range[0].className, 'gr-diff gr-syntax gr-syntax-string');
assert.equal(range[0].start, 35);
assert.equal(range[0].length, 'ipsum'.length);
done();
});
});
test('_diffChanged calls cancel', () => {
const cancelSpy = sandbox.spy(element, '_diffChanged');
element.diff = {content: []};
assert.isTrue(cancelSpy.called);
});
test('_rangesFromElement no ranges', () => {
const elem = document.createElement('span');
elem.textContent = 'Etiam dui, blandit wisi.';
const offset = 100;
const result = element._rangesFromElement(elem, offset);
assert.equal(result.length, 0);
});
test('_rangesFromElement single range', () => {
const str0 = 'Etiam ';
const str1 = 'dui, blandit';
const str2 = ' wisi.';
const className = 'gr-diff gr-syntax gr-syntax-string';
const offset = 100;
const elem = document.createElement('span');
elem.appendChild(document.createTextNode(str0));
const span = document.createElement('span');
span.textContent = str1;
span.className = className;
elem.appendChild(span);
elem.appendChild(document.createTextNode(str2));
const result = element._rangesFromElement(elem, offset);
assert.equal(result.length, 1);
assert.equal(result[0].start, str0.length + offset);
assert.equal(result[0].length, str1.length);
assert.equal(result[0].className, className);
});
test('_rangesFromElement non-whitelist', () => {
const str0 = 'Etiam ';
const str1 = 'dui, blandit';
const str2 = ' wisi.';
const className = 'not-in-the-whitelist';
const offset = 100;
const elem = document.createElement('span');
elem.appendChild(document.createTextNode(str0));
const span = document.createElement('span');
span.textContent = str1;
span.className = className;
elem.appendChild(span);
elem.appendChild(document.createTextNode(str2));
const result = element._rangesFromElement(elem, offset);
assert.equal(result.length, 0);
});
test('_rangesFromElement milti range', () => {
const str0 = 'Etiam ';
const str1 = 'dui,';
const str2 = ' blandit';
const str3 = ' wisi.';
const className = 'gr-diff gr-syntax gr-syntax-string';
const offset = 100;
const elem = document.createElement('span');
elem.appendChild(document.createTextNode(str0));
let span = document.createElement('span');
span.textContent = str1;
span.className = className;
elem.appendChild(span);
elem.appendChild(document.createTextNode(str2));
span = document.createElement('span');
span.textContent = str3;
span.className = className;
elem.appendChild(span);
const result = element._rangesFromElement(elem, offset);
assert.equal(result.length, 2);
assert.equal(result[0].start, str0.length + offset);
assert.equal(result[0].length, str1.length);
assert.equal(result[0].className, className);
assert.equal(result[1].start,
str0.length + str1.length + str2.length + offset);
assert.equal(result[1].length, str3.length);
assert.equal(result[1].className, className);
});
test('_rangesFromElement nested range', () => {
const str0 = 'Etiam ';
const str1 = 'dui,';
const str2 = ' blandit';
const str3 = ' wisi.';
const className = 'gr-diff gr-syntax gr-syntax-string';
const offset = 100;
const elem = document.createElement('span');
elem.appendChild(document.createTextNode(str0));
const span1 = document.createElement('span');
span1.textContent = str1;
span1.className = className;
elem.appendChild(span1);
const span2 = document.createElement('span');
span2.textContent = str2;
span2.className = className;
span1.appendChild(span2);
elem.appendChild(document.createTextNode(str3));
const result = element._rangesFromElement(elem, offset);
assert.equal(result.length, 2);
assert.equal(result[0].start, str0.length + offset);
assert.equal(result[0].length, str1.length + str2.length);
assert.equal(result[0].className, className);
assert.equal(result[1].start, str0.length + str1.length + offset);
assert.equal(result[1].length, str2.length);
assert.equal(result[1].className, className);
});
test('_rangesFromString whitelist allows recursion', () => {
const str = [
'<span class="non-whtelisted-class">',
'<span class="gr-diff gr-syntax gr-syntax-keyword">public</span>',
'</span>'].join('');
const result = element._rangesFromString(str);
assert.notEqual(result.length, 0);
});
test('_isSectionDone', () => {
let state = {sectionIndex: 0, lineIndex: 0};
assert.isFalse(element._isSectionDone(state));
state = {sectionIndex: 0, lineIndex: 2};
assert.isFalse(element._isSectionDone(state));
state = {sectionIndex: 0, lineIndex: 4};
assert.isTrue(element._isSectionDone(state));
state = {sectionIndex: 1, lineIndex: 2};
assert.isFalse(element._isSectionDone(state));
state = {sectionIndex: 1, lineIndex: 3};
assert.isTrue(element._isSectionDone(state));
state = {sectionIndex: 3, lineIndex: 0};
assert.isFalse(element._isSectionDone(state));
state = {sectionIndex: 3, lineIndex: 3};
assert.isFalse(element._isSectionDone(state));
state = {sectionIndex: 3, lineIndex: 4};
assert.isTrue(element._isSectionDone(state));
});
test('workaround CPP LT directive', () => {
// Does nothing to regular line.
let line = 'int main(int argc, char** argv) { return 0; }';
assert.equal(element._workaround('cpp', line), line);
// Does nothing to include directive.
line = '#include <stdio>';
assert.equal(element._workaround('cpp', line), line);
// Converts left-shift operator in #define.
line = '#define GiB (1ull << 30)';
let expected = '#define GiB (1ull || 30)';
assert.equal(element._workaround('cpp', line), expected);
// Converts less-than operator in #if.
line = ' #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1)';
expected = ' #if __GNUC__ | 4 || (__GNUC__ == 4 && __GNUC_MINOR__ | 1)';
assert.equal(element._workaround('cpp', line), expected);
});
test('workaround Java param-annotation', () => {
// Does nothing to regular line.
let line = 'public static void foo(int bar) { }';
assert.equal(element._workaround('java', line), line);
// Does nothing to regular annotation.
line = 'public static void foo(@Nullable int bar) { }';
assert.equal(element._workaround('java', line), line);
// Converts parameterized annotation.
line = 'public static void foo(@SuppressWarnings("unused") int bar) { }';
const expected = 'public static void foo(@SuppressWarnings "unused" ' +
' int bar) { }';
assert.equal(element._workaround('java', line), expected);
});
test('workaround CPP whcar_t character literals', () => {
// Does nothing to regular line.
let line = 'int main(int argc, char** argv) { return 0; }';
assert.equal(element._workaround('cpp', line), line);
// Does nothing to wchar_t string.
line = 'wchar_t* sz = L"abc 123";';
assert.equal(element._workaround('cpp', line), line);
// Converts wchar_t character literal to string.
line = 'wchar_t myChar = L\'#\'';
let expected = 'wchar_t myChar = L"."';
assert.equal(element._workaround('cpp', line), expected);
// Converts wchar_t character literal with escape sequence to string.
line = 'wchar_t myChar = L\'\\"\'';
expected = 'wchar_t myChar = L"\\."';
assert.equal(element._workaround('cpp', line), expected);
});
test('workaround go backslash character literals', () => {
// Does nothing to regular line.
let line = 'func foo(in []byte) (lit []byte, n int, err error) {';
assert.equal(element._workaround('go', line), line);
// Does nothing to string with backslash literal
line = 'c := "\\\\"';
assert.equal(element._workaround('go', line), line);
// Converts backslash literal character to a string.
line = 'c := \'\\\\\'';
const expected = 'c := "\\\\"';
assert.equal(element._workaround('go', line), expected);
});
});
</script>