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Diffstat (limited to 'vespajlib/src/test/java/com/yahoo/text/ExpressionFormatterTest.java')
-rw-r--r-- | vespajlib/src/test/java/com/yahoo/text/ExpressionFormatterTest.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/vespajlib/src/test/java/com/yahoo/text/ExpressionFormatterTest.java b/vespajlib/src/test/java/com/yahoo/text/ExpressionFormatterTest.java new file mode 100644 index 00000000000..7251ccef521 --- /dev/null +++ b/vespajlib/src/test/java/com/yahoo/text/ExpressionFormatterTest.java @@ -0,0 +1,190 @@ +// 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" + + ")"; + assertPrettyPrint(expected, "foo(bar(baz()))", 0); + } + + @Test + public void testBasicDense() { + assertPrettyPrint("foo(bar(baz()))", "foo(bar(baz()))", 50); + } + + @Test + public void testArgument() { + String expected = + "foo(\n" + + " bar(\n" + + " baz(\n" + + " hello world\n" + + " )\n" + + " )\n" + + ")"; + assertPrettyPrint(expected, "foo(bar(baz(hello world)))", 0); + } + + @Test + public void testMultipleArguments() { + String expected = + "foo(\n" + + " bar(\n" + + " baz(\n" + + " hello world,\n" + + " 37\n" + + " )\n" + + " )\n" + + ")"; + assertPrettyPrint(expected, "foo(bar(baz(hello world,37)))", 0); + } + + @Test + public void testMultipleArgumentsSemiDense() { + String expected = + "foo(\n" + + " bar(\n" + + " baz(hi,37),\n" + + " baz(\n" + + " hello world,\n" + + " 37\n" + + " )\n" + + " )\n" + + ")"; + assertPrettyPrint(expected, "foo(bar(baz(hi,37),baz(hello world,37)))", 15); + } + + @Test + public void testUnmatchedStart() { + String expected = + "foo(\n" + + " (\n" + + " bar(\n" + + " baz(\n" + + " )\n" + + " )\n" + + " )"; + assertPrettyPrint(expected, "foo((bar(baz()))", 0); + } + + @Test + public void testUnmatchedEnd() { + String expected = + "foo(\n" + + " bar(\n" + + " baz(\n" + + " )\n" + + " )\n" + + ")\n" + + ")"; + assertPrettyPrint(expected, "foo(bar(baz())))", 0); + } + + @Test + public void testNoParenthesis() { + String expected = + "foo bar baz"; + assertPrettyPrint(expected, "foo bar baz", 0); + } + + @Test + public void testEmpty() { + String expected = + ""; + assertPrettyPrint(expected, "", 0); + } + + @Test + public void test2ColumnMode() { + String expected = + "1: foo(\n" + + " bar(\n" + + " baz(\n" + + "2: hello world\n" + + " )\n" + + "t(o )\n" + + " )"; + ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3, 0); + 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" + + " )"; + ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3, 0); + assertEquals(expected, pp.format("\t1:\tfoo(bar(baz(\t2:\thello world,\t3:\t37)\tt(o)@olong:\t))")); + } + + @Test + public void test2ColumnModeMultipleArgumentsSemiDense() { + String expected = + "1: foo(\n" + + " bar(\n" + + " baz(hi,37),\n" + + " boz(\n" + + "2: hello world,\n" + + "3: 5\n" + + " )\n" + + "t(o )\n" + + " )"; + ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3, 15); + assertEquals(expected, pp.format("\t1:\tfoo(bar(baz(hi,37),boz(\t2:\thello world,\t3:\t5)\tt(o)@olong:\t))")); + } + + @Test + public void test2ColumnModeMultipleArgumentsWithSpaces() { + String expected = + " foo(\n" + + "1: bar(\n" + + " baz(\n" + + "2: hello world,\n" + + "3: 37\n" + + " )\n" + + "t(o )\n" + + " )"; + ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(3, 0); + assertEquals(expected, pp.format("foo(\t1:\tbar(baz(\t2:\thello world, \t3:\t37)\tt(o)@olong:\t))")); + } + + @Test + public void testTwoColumnLambdaFunction() { + String expected = + " join(\n" + + " a,\n" + + " join(\n" + + " b, c, f(a, b)(a * b)\n" + + " )\n" + + " , f(a, b)(a * b)\n" + + " )"; + ExpressionFormatter pp = ExpressionFormatter.inTwoColumnMode(5, 25); + assertEquals(expected, pp.format("join(a, join(b, c, f(a, b)(a * b)), f(a, b)(a * b))")); + } + + private void assertPrettyPrint(String expected, String expression, int lineLength) { + assertEquals(expected, ExpressionFormatter.withLineLength(lineLength).format(expression)); + } + +} |