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// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.text;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author bratseth
*/
public class ExpressionFormatterTest {
@Test
public void testBasic() {
String expected =
"foo(\n" +
" bar(\n" +
" baz(\n" +
" )\n" +
" )\n" +
")\n";
assertPrettyPrint(expected, "foo(bar(baz()))");
}
@Test
public void testArgument() {
String expected =
"foo(\n" +
" bar(\n" +
" baz(\n" +
" hello world\n" +
" )\n" +
" )\n" +
")\n";
assertPrettyPrint(expected, "foo(bar(baz(hello world)))");
}
@Test
public void testMultipleArguments() {
String expected =
"foo(\n" +
" bar(\n" +
" baz(\n" +
" hello world,\n" +
" 37\n" +
" )\n" +
" )\n" +
")\n";
assertPrettyPrint(expected, "foo(bar(baz(hello world,37)))");
}
@Test
public void testUnmatchedStart() {
String expected =
"foo(\n" +
" (\n" +
" bar(\n" +
" baz(\n" +
" )\n" +
" )\n" +
" )\n";
assertPrettyPrint(expected, "foo((bar(baz()))");
}
@Test
public void testUnmatchedEnd() {
String expected =
"foo(\n" +
" bar(\n" +
" baz(\n" +
" )\n" +
" )\n" +
")\n" +
")\n";
assertPrettyPrint(expected, "foo(bar(baz())))");
}
@Test
public void testNoParenthesis() {
String expected =
"foo bar baz";
assertPrettyPrint(expected, "foo bar baz");
}
@Test
public void testEmpty() {
String expected =
"";
assertPrettyPrint(expected, "");
}
@Test
public void test2ColumnMode() {
String expected =
"1: foo(\n" +
" bar(\n" +
" baz(\n" +
"2: hello world\n" +
" )\n" +
"t(o )\n" +
" )\n";
ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3);
assertEquals(expected, pp.format("\t1:\tfoo(bar(baz(\t2:\thello world)\tt(o)@olong:\t))"));
}
@Test
public void test2ColumnModeMultipleArguments() {
String expected =
"1: foo(\n" +
" bar(\n" +
" baz(\n" +
"2: hello world,\n" +
"3: 37\n" +
" )\n" +
"t(o )\n" +
" )\n";
ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3);
assertEquals(expected, pp.format("\t1:\tfoo(bar(baz(\t2:\thello world,\t3:\t37)\tt(o)@olong:\t))"));
}
@Test
public void test2ColumnModeMultipleArgumentsWithSpaces() {
String expected =
"1: foo(\n" +
" bar(\n" +
" baz(\n" +
"2: hello world,\n" +
"3: 37\n" +
" )\n" +
"t(o )\n" +
" )\n";
ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3);
assertEquals(expected, pp.format("\t1:\tfoo(bar(baz(\t2:\thello world, \t3:\t37)\tt(o)@olong:\t))"));
}
private void assertPrettyPrint(String expected, String expression) {
assertEquals(expected, ExpressionFormatter.on(expression));
}
}
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