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Merge pull request #24 from lanwen/tests
add - tests for range method and case, any, start and end of line
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69 changes: 69 additions & 0 deletions
69
src/test/java/ru/lanwen/verbalregex/NegativeCasesTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package ru.lanwen.verbalregex; | ||
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| import org.junit.Test; | ||
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| import java.util.regex.PatternSyntaxException; | ||
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| import static org.hamcrest.CoreMatchers.containsString; | ||
| import static org.hamcrest.CoreMatchers.equalTo; | ||
| import static org.hamcrest.CoreMatchers.is; | ||
| import static org.junit.Assert.assertThat; | ||
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| /** | ||
| * User: lanwen | ||
| * Date: 11.05.14 | ||
| * Time: 3:37 | ||
| */ | ||
| public class NegativeCasesTest { | ||
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| @Test(expected = IllegalStateException.class) | ||
| public void testEndCaptureOnEmptyRegex() { | ||
| VerbalExpression.regex().endCapture().build(); | ||
| } | ||
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| @Test(expected = IndexOutOfBoundsException.class) | ||
| public void shouldExceptionWhenTryGetMoreThanCapturedGroup() { | ||
| String text = "abc"; | ||
| VerbalExpression regex = VerbalExpression.regex().find("b").capture().find("c").build(); | ||
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| regex.getText(text, 2); | ||
| } | ||
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| @Test(expected = PatternSyntaxException.class) | ||
| public void testRangeWithoutArgs() throws Exception { | ||
| VerbalExpression.regex().startOfLine().range().build(); | ||
| } | ||
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| @Test(expected = PatternSyntaxException.class) | ||
| public void testRangeWithOneArg() throws Exception { | ||
| VerbalExpression.regex().startOfLine().range("a").build(); | ||
| } | ||
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| @Test | ||
| public void rangeWithThreeArgsUsesOnlyFirstTwo() throws Exception { | ||
| VerbalExpression regex = VerbalExpression.regex().startOfLine().range("a", "z", "A").build(); | ||
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| assertThat("Range with three args differs from expected", regex.toString(), equalTo("^[a-z]")); | ||
| } | ||
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| @Test | ||
| public void orWithNullMatchesAny() throws Exception { | ||
| VerbalExpression regex = VerbalExpression.regex().startOfLine().then("a").or(null).build(); | ||
| assertThat("regex don't matches writed letter", regex.test("a"), is(true)); | ||
| assertThat("or(null) should match any", regex.test("bcd"), is(true)); | ||
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| assertThat("or(null) extract only first", regex.getText("abcd"), equalTo("a")); | ||
| } | ||
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| @Test | ||
| public void orAfterCaptureProduceEmptyGroup() throws Exception { | ||
| VerbalExpression regex = VerbalExpression.regex().startOfLine().then("a").capture().or("b").build(); | ||
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| assertThat(regex.toString(), containsString("()|")); | ||
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| assertThat("regex dont matches string abcd", regex.getText("abcd", 0), equalTo("a")); | ||
| assertThat("regex dont extract a by first group", regex.getText("abcd", 1), equalTo("a")); | ||
| assertThat("second group should produce empty string", regex.getText("abcd", 2), equalTo("")); | ||
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| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package ru.lanwen.verbalregex; | ||
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| import org.junit.Test; | ||
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| import static org.hamcrest.CoreMatchers.equalTo; | ||
| import static org.hamcrest.core.IsNot.not; | ||
| import static org.junit.Assert.assertThat; | ||
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| /** | ||
| * User: lanwen | ||
| * Date: 11.05.14 | ||
| * Time: 3:30 | ||
| */ | ||
| public class UsageLibTest { | ||
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| @Test | ||
| public void staticFabricsRetunSameAsConstructorExpressions() { | ||
| VerbalExpression regexViaFactory = VerbalExpression.regex().anything().build(); | ||
| VerbalExpression regexViaConstructor = new VerbalExpression.Builder().anything().build(); | ||
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| assertThat("Factory builder method produce not same as constructor regex", | ||
| regexViaFactory.toString(), equalTo(regexViaConstructor.toString())); | ||
| } | ||
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| @Test | ||
| public void clonedBuilderEqualsOriginal() { | ||
| VerbalExpression.Builder builder = VerbalExpression.regex().anything().addModifier('i'); | ||
| VerbalExpression.Builder clonedBuilder = VerbalExpression.regex(builder); | ||
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| assertThat("Cloned builder changed after creating new one", | ||
| builder.build().toString(), equalTo(clonedBuilder.build().toString())); | ||
| } | ||
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| @Test | ||
| public void clonedBuilderCantChangeOriginal() { | ||
| VerbalExpression.Builder builder = VerbalExpression.regex().anything().addModifier('i'); | ||
| VerbalExpression.Builder clonedBuilder = VerbalExpression.regex(builder).endOfLine(); | ||
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| assertThat("Cloned builder changed after creating new one", | ||
| builder.build().toString(), not(clonedBuilder.build().toString())); | ||
| } | ||
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| } |