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Update syntaxHighlight test

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This commit is contained in:
Dimitry Ivanov 2018-11-04 14:15:10 +03:00
parent 3eea327671
commit eb232037a1
1 changed files with 46 additions and 7 deletions
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51
markwon/src/test/java/ru/noties/markwon/renderer/SyntaxHighlightTest.java
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@ -1,6 +1,7 @@
package ru.noties.markwon.renderer;
import android.content.Context;
import android.os.Build;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.SpannableStringBuilder;
@ -19,21 +20,34 @@ import ru.noties.markwon.SyntaxHighlight;
import ru.noties.markwon.spans.SpannableTheme;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@RunWith(RobolectricTestRunner.class)
@Config(manifest = Config.NONE)
@Config(manifest = Config.NONE, sdk = {
Build.VERSION_CODES.JELLY_BEAN,
Build.VERSION_CODES.M,
Build.VERSION_CODES.O
})
public class SyntaxHighlightTest {
// codeSpan must be before actual highlight spans (true reverse of builder)
// if we go with path of reversing spans inside SpannableBuilder (which
// might extend SpannableStringBuilder like https://github.com/noties/Markwon/pull/71)
// then on M (23) codeSpan will always be _before_ actual highlight and thus
// no highlight will be present
// note that bad behaviour is present on M (emulator/device/robolectric)
// other SDKs are added to validate that they do not fail
@Test
public void test() {
final Object highlightSpan = new Object();
class Highlight {
}
final Object codeSpan = new Object();
final SyntaxHighlight highlight = new SyntaxHighlight() {
@ -41,7 +55,9 @@ public class SyntaxHighlightTest {
@Override
public CharSequence highlight(@Nullable String info, @NonNull String code) {
final SpannableStringBuilder builder = new SpannableStringBuilder(code);
builder.setSpan(highlightSpan, 0, builder.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
for (int i = 0, length = code.length(); i < length; i++) {
builder.setSpan(new Highlight(), i, i + 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
return builder;
}
};
@ -57,16 +73,39 @@ public class SyntaxHighlightTest {
final SpannableBuilder builder = new SpannableBuilder();
append(builder, "# Header 1\n", new Object());
append(builder, "## Header 2\n", new Object());
append(builder, "### Header 3\n", new Object());
final int start = builder.length();
final SpannableMarkdownVisitor visitor = new SpannableMarkdownVisitor(configuration, builder);
final FencedCodeBlock fencedCodeBlock = new FencedCodeBlock();
fencedCodeBlock.setLiteral("{code}");
visitor.visit(fencedCodeBlock);
final Object[] spans = builder.spannableStringBuilder().getSpans(0, builder.length(), Object.class);
final int end = builder.length();
assertEquals(2, spans.length);
append(builder, "### Footer 3\n", new Object());
append(builder, "## Footer 2\n", new Object());
append(builder, "# Footer 1\n", new Object());
final Object[] spans = builder.spannableStringBuilder().getSpans(start, end, Object.class);
// each character + code span
final int length = fencedCodeBlock.getLiteral().length() + 1;
assertEquals(length, spans.length);
assertEquals(codeSpan, spans[0]);
assertEquals(highlightSpan, spans[1]);
for (int i = 1; i < length; i++) {
assertTrue(spans[i] instanceof Highlight);
}
}
private static void append(@NonNull SpannableBuilder builder, @NonNull String text, @NonNull Object span) {
final int start = builder.length();
builder.append(text);
builder.setSpan(span, start, builder.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
}