How to use shouldHaveLinesCount method of org.assertj.core.error.ShouldHaveLineCount class

Best Assertj code snippet using org.assertj.core.error.ShouldHaveLineCount.shouldHaveLinesCount

Source:Strings_assertHasLinesCount_Test.java Github

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...31 @Test32 public void should_fail_if_lines_count_of_actual_is_not_equal_to_expected_size() {33 AssertionInfo info = TestData.someInfo();34 String actual = ("Begin" + (System.lineSeparator())) + "End";35 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> strings.assertHasLineCount(info, actual, 6)).withMessage(ShouldHaveLineCount.shouldHaveLinesCount(actual, 2, 6).create());36 }37 @Test38 public void should_pass_if_lines_count_of_actual_is_equal_to_expected_lines_count() {39 strings.assertHasLineCount(TestData.someInfo(), String.format((("Begin" + (System.lineSeparator())) + "Middle%nEnd")), 3);40 }41 @Test42 public void should_fail_if_actual_is_null_whatever_custom_comparison_strategy_is() {43 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> stringsWithCaseInsensitiveComparisonStrategy.assertHasLineCount(someInfo(), null, 3)).withMessage(FailureMessages.actualIsNull());44 }45 @Test46 public void should_fail_if_lines_count_of_actual_is_not_equal_to_expected_lines_count_whatever_custom_comparison_strategy_is() {47 AssertionInfo info = TestData.someInfo();48 String actual = ("Begin" + (System.lineSeparator())) + "End";49 Assertions.assertThatExceptionOfType(AssertionError.class).isThrownBy(() -> stringsWithCaseInsensitiveComparisonStrategy.assertHasLineCount(info, actual, 3)).withMessage(ShouldHaveLineCount.shouldHaveLinesCount(actual, 2, 3).create());50 }51 @Test52 public void should_pass_if_lines_count_of_actual_is_equal_to_expected_lines_count_whatever_custom_comparison_strategy_is() {53 stringsWithCaseInsensitiveComparisonStrategy.assertHasLineCount(TestData.someInfo(), (("Begin" + (System.lineSeparator())) + "End"), 2);54 }55}...

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shouldHaveLinesCount

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.assertThatThrownBy;3import java.io.IOException;4import java.nio.file.Files;5import java.nio.file.Path;6import java.nio.file.Paths;7import org.junit.jupiter.api.Test;8class ShouldHaveLineCountTest {9 void shouldHaveLineCountTest() throws IOException {10 Path path = Paths.get("src/test/resources/testfile.txt");11 assertThat(Files.readAllLines(path)).hasSize(2);12 }13 void shouldHaveLineCountTest2() throws IOException {14 Path path = Paths.get("src/test/resources/testfile.txt");15 assertThatThrownBy(() -> assertThat(Files.readAllLines(path)).hasSize(3))16 .hasMessageContaining("expected size:<3> but was:<2> in:");17 }18}

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shouldHaveLinesCount

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1public void testFileWithSixLines() throws IOException {2 File file = new File("file.txt");3 try (FileWriter writer = new FileWriter(file)) {4 writer.write("line15line6");6 }7 assertThat(file).hasLinesCount(6);8}9public void testFileWithFiveLines() throws IOException {10 File file = new File("file.txt");11 try (FileWriter writer = new FileWriter(file)) {12 writer.write("line113line5");14 }15 assertThat(file).hasLinesCount(5);16}17public void testFileWithThreeLines() throws IOException {18 File file = new File("file.txt");19 try (FileWriter writer = new FileWriter(file)) {20 writer.write("line121line3");22 }23 assertThat(file).hasLinesCount(3);24}25public void testFileWithZeroLines() throws IOException {26 File file = new File("file.txt");27 try (FileWriter writer = new FileWriter(file)) {28 writer.write("");29 }30 assertThat(file).hasLinesCount(0);31}32public void testFileWithOneLine() throws IOException {33 File file = new File("file.txt");34 try (FileWriter writer = new FileWriter(file)) {35 writer.write("line1");36 }37 assertThat(file).hasLinesCount(1);38}39public void testFileWithTwoLines() throws IOException {40 File file = new File("file.txt");41 try (FileWriter writer = new FileWriter(file

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