111 lines
3.0 KiB
Java
111 lines
3.0 KiB
Java
package scanner;
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import static org.junit.Assert.assertEquals;
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import static testutil.TestUtilities.createInputStreamFromString;
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import java.io.InputStream;
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import org.junit.Test;
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import file.FilePosition;
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public class LispScannerTextTester {
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private void assertTokenTextMatches(String input, String[] expectedTextList) {
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LispScanner lispScanner = createLispScanner(input);
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for (String expectedText : expectedTextList)
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assertEquals(expectedText, lispScanner.getNextToken().getText());
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}
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private void assertTokenTextMatches(String input, String expectedText) {
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LispScanner lispScanner = createLispScanner(input);
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assertEquals(expectedText, lispScanner.getNextToken().getText());
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}
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private LispScanner createLispScanner(String input) {
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InputStream stringInputStream = createInputStreamFromString(input);
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return new LispScanner(stringInputStream, "testFile");
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}
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private void assertInputFileNameMatches(String input, String expectedInputFileName) {
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InputStream stringInputStream = createInputStreamFromString(input);
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LispScanner lispScanner = new LispScanner(stringInputStream, expectedInputFileName);
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FilePosition tokenPosition = lispScanner.getNextToken().getPosition();
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assertEquals(expectedInputFileName, tokenPosition.getFileName());
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}
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@Test
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public void givenEmptyStream_RecordsCorrectFileName() {
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String input = "";
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String expectedFileName = "testFileName";
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assertInputFileNameMatches(input, expectedFileName);
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}
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@Test
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public void givenParenthesis_RecordsCorrectText() {
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String input = "()";
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String[] expected = { "(", ")" };
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assertTokenTextMatches(input, expected);
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}
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@Test
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public void givenQuote_RecordsCorrectText() {
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String input = "'";
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String expected = "'";
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assertTokenTextMatches(input, expected);
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}
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@Test
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public void givenEof_ReordsCorrectText() {
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String input = "";
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String expected = "EOF";
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assertTokenTextMatches(input, expected);
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}
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@Test
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public void givenIdentifier_RecordsCorrectText() {
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String input = "identifier";
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assertTokenTextMatches(input, input);
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}
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@Test
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public void givenNumber_RecordsCorrectText() {
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String input = "192837456";
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assertTokenTextMatches(input, input);
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}
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@Test
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public void givenString_RecordsCorrectText() {
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String input = "\"String!!! \n More... \"";
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assertTokenTextMatches(input, input);
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}
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@Test
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public void givenNumberFollowedByComment_RecordsCorrectText() {
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String input = "192837456;comment";
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String expected = "192837456";
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assertTokenTextMatches(input, expected);
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}
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@Test
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public void givenIdentifiersWithCommentBetween_RecordsCorrectText() {
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String input = "abc123;comment\nabc222";
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String[] expected = { "abc123", "abc222" };
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assertTokenTextMatches(input, expected);
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}
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}
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