| // Copyright 2015 The Bazel Authors. All Rights Reserved. |
| // |
| // 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.google.devtools.build.lib.syntax; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.cmdline.Label; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.IllegalFormatException; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Test properties of the evaluator's datatypes and utility functions |
| * without actually creating any parse trees. |
| */ |
| @RunWith(JUnit4.class) |
| public class PrinterTest { |
| |
| private static List<?> makeList(Object... args) { |
| return EvalUtils.makeSequence(Arrays.<Object>asList(args), false); |
| } |
| |
| private static List<?> makeTuple(Object... args) { |
| return EvalUtils.makeSequence(Arrays.<Object>asList(args), true); |
| } |
| |
| @Test |
| public void testPrinter() throws Exception { |
| // Note that prettyPrintValue and printValue only differ on behaviour of |
| // labels and strings at toplevel. |
| assertEquals("foo\nbar", Printer.str("foo\nbar")); |
| assertEquals("\"foo\\nbar\"", Printer.repr("foo\nbar")); |
| assertEquals("'", Printer.str("'")); |
| assertEquals("\"'\"", Printer.repr("'")); |
| assertEquals("\"", Printer.str("\"")); |
| assertEquals("\"\\\"\"", Printer.repr("\"")); |
| assertEquals("3", Printer.str(3)); |
| assertEquals("3", Printer.repr(3)); |
| assertEquals("None", Printer.repr(Runtime.NONE)); |
| |
| assertEquals("//x:x", Printer.str( |
| Label.parseAbsolute("//x"))); |
| assertEquals("\"//x:x\"", Printer.repr( |
| Label.parseAbsolute("//x"))); |
| |
| List<?> list = makeList("foo", "bar"); |
| List<?> tuple = makeTuple("foo", "bar"); |
| |
| assertEquals("(1, [\"foo\", \"bar\"], 3)", |
| Printer.str(makeTuple(1, list, 3))); |
| assertEquals("(1, [\"foo\", \"bar\"], 3)", |
| Printer.repr(makeTuple(1, list, 3))); |
| assertEquals("[1, (\"foo\", \"bar\"), 3]", |
| Printer.str(makeList(1, tuple, 3))); |
| assertEquals("[1, (\"foo\", \"bar\"), 3]", |
| Printer.repr(makeList(1, tuple, 3))); |
| |
| Map<Object, Object> dict = ImmutableMap.<Object, Object>of( |
| 1, tuple, |
| 2, list, |
| "foo", makeList()); |
| assertEquals("{1: (\"foo\", \"bar\"), 2: [\"foo\", \"bar\"], \"foo\": []}", |
| Printer.str(dict)); |
| assertEquals("{1: (\"foo\", \"bar\"), 2: [\"foo\", \"bar\"], \"foo\": []}", |
| Printer.repr(dict)); |
| } |
| |
| private void checkFormatPositionalFails(String errorMessage, String format, Object... arguments) { |
| try { |
| Printer.format(format, arguments); |
| fail(); |
| } catch (IllegalFormatException e) { |
| assertThat(e).hasMessage(errorMessage); |
| } |
| } |
| |
| @Test |
| public void testSortedOutputOfUnsortedMap() throws Exception { |
| Map<Integer, Integer> map = new HashMap<>(); |
| int[] data = {5, 7, 3}; |
| |
| for (int current : data) { |
| map.put(current, current); |
| } |
| assertThat(Printer.str(map)).isEqualTo("{3: 3, 5: 5, 7: 7}"); |
| } |
| |
| @Test |
| public void testFormatPositional() throws Exception { |
| assertEquals("foo 3", Printer.formatToString("%s %d", makeTuple("foo", 3))); |
| assertEquals("foo 3", Printer.format("%s %d", "foo", 3)); |
| |
| // Note: formatToString doesn't perform scalar x -> (x) conversion; |
| // The %-operator is responsible for that. |
| assertThat(Printer.formatToString("", makeTuple())).isEmpty(); |
| assertEquals("foo", Printer.format("%s", "foo")); |
| assertEquals("3.14159", Printer.format("%s", 3.14159)); |
| checkFormatPositionalFails("not all arguments converted during string formatting", |
| "%s", 1, 2, 3); |
| assertEquals("%foo", Printer.format("%%%s", "foo")); |
| checkFormatPositionalFails("not all arguments converted during string formatting", |
| "%%s", "foo"); |
| checkFormatPositionalFails("unsupported format character \" \" at index 1 in \"% %s\"", |
| "% %s", "foo"); |
| assertEquals("[1, 2, 3]", Printer.format("%s", makeList(1, 2, 3))); |
| assertEquals("(1, 2, 3)", Printer.format("%s", makeTuple(1, 2, 3))); |
| assertEquals("[]", Printer.format("%s", makeList())); |
| assertEquals("()", Printer.format("%s", makeTuple())); |
| assertEquals("% 1 \"2\" 3", Printer.format("%% %d %r %s", 1, "2", "3")); |
| |
| checkFormatPositionalFails( |
| "invalid argument \"1\" for format pattern %d", |
| "%d", "1"); |
| checkFormatPositionalFails("unsupported format character \".\" at index 1 in \"%.3g\"", |
| "%.3g"); |
| checkFormatPositionalFails("unsupported format character \".\" at index 1 in \"%.3g\"", |
| "%.3g", 1, 2); |
| checkFormatPositionalFails("unsupported format character \".\" at index 1 in \"%.s\"", |
| "%.s"); |
| } |
| |
| @Test |
| public void testSingleQuotes() throws Exception { |
| assertThat(Printer.str("test", '\'')).isEqualTo("test"); |
| assertThat(Printer.repr("test", '\'')).isEqualTo("'test'"); |
| |
| assertEquals("'\\''", Printer.repr("'", '\'')); |
| assertEquals("\"", Printer.str("\"", '\'')); |
| assertEquals("'\"'", Printer.repr("\"", '\'')); |
| |
| List<?> list = makeList("foo", "bar"); |
| List<?> tuple = makeTuple("foo", "bar"); |
| |
| assertThat(Printer.str(makeTuple(1, list, 3), '\'')).isEqualTo("(1, ['foo', 'bar'], 3)"); |
| assertThat(Printer.repr(makeTuple(1, list, 3), '\'')).isEqualTo("(1, ['foo', 'bar'], 3)"); |
| assertThat(Printer.str(makeList(1, tuple, 3), '\'')).isEqualTo("[1, ('foo', 'bar'), 3]"); |
| assertThat(Printer.repr(makeList(1, tuple, 3), '\'')).isEqualTo("[1, ('foo', 'bar'), 3]"); |
| |
| Map<Object, Object> dict = |
| ImmutableMap.<Object, Object>of(1, tuple, 2, list, "foo", makeList()); |
| |
| assertThat(Printer.str(dict, '\'')) |
| .isEqualTo("{1: ('foo', 'bar'), 2: ['foo', 'bar'], 'foo': []}"); |
| assertThat(Printer.repr(dict, '\'')) |
| .isEqualTo("{1: ('foo', 'bar'), 2: ['foo', 'bar'], 'foo': []}"); |
| } |
| } |