Package org.apache.mahout.pig.encoders

Examples of org.apache.mahout.pig.encoders.EncodingSpec

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import static org.junit.Assert.fail;

public class EncodingSpecTest {
    @Test
    public void testSum() throws RecognitionException, IOException {
        EncodingSpec z = parse("a+c+b");
        Assert.assertEquals("[[a], [b], [c]]", z.getVariables().toString());

        try {
            parse("a+$1+$2");
            fail("Should have failed");
        } catch (FormulaParseException e) {
            assertTrue(e.getMessage().startsWith("Syntax error"));
        }

        z = parse("a + 1");
        Assert.assertEquals("[[1], [a]]", z.getVariables().toString());
    }
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        }
    }

    @Test
    public void testProduct() throws RecognitionException, IOException {
        EncodingSpec z = parse("a+c*b");
        Assert.assertEquals("[[a], [b], [b, c], [c]]", z.getVariables().toString());
        z = parse("(a+c)*(c+b+a)");
        Assert.assertEquals("[[a], [a, b], [a, c], [b], [b, c], [c]]", z.getVariables().toString());
    }
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        Assert.assertEquals("[[a], [a, b], [a, c], [b], [b, c], [c]]", z.getVariables().toString());
    }

    @Test
    public void testPower() throws RecognitionException, IOException {
        EncodingSpec z = parse("(a+b+c)^2");
        Assert.assertEquals("[[a], [a, b], [a, c], [b], [b, c], [c]]", z.getVariables().toString());

        z = parse("(a+b+c)^3");
        Assert.assertEquals("[[a], [a, b], [a, b, c], [a, c], [b], [b, c], [c]]", z.getVariables().toString());

        z = parse("(a+b+c)^30");
        Assert.assertEquals("[[a], [a, b], [a, b, c], [a, c], [b], [b, c], [c]]", z.getVariables().toString());
    }
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Related Classes of org.apache.mahout.pig.encoders.EncodingSpec

  • org.apache.mahout.pig.EncodingSpecTest
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