Examples of com.google.visualization.datasource.query.Query

Package com.google.visualization.datasource.query

Examples of com.google.visualization.datasource.query.Query

com.google.visualization.datasource.query.Query
google.com/apis/visualization/documentation/querylanguage.html"> query language reference . A Query can be executed by the query engine (see: {@link com.google.visualization.datasource.DataSourceHelper#applyQuery}). It can be split in 2 Query objects based on the Capabilities value (see: {@link com.google.visualization.datasource.DataSourceHelper#splitQuery}). Note on errors: Since this class handles a user generated query, all errors (of type INVALID_QUERY) should provide a descriptive error message for both the user. @author Itai R. @author Yonatan B.Y.

    assertEquals("Label 2", labels.getLabel(new SimpleColumn("c2")));
  }


  public void testInvalidLabel() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery("select c1 label c1 gaga ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidEmptyLabel() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery("select c1 label c1 ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testDuplicateLabelColumn() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery("select c1 label c1 'gaga', c1 'gugu' ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidTwoLabelsNoComma() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(
          "select c1, c2 label c1,c2 'label 1' c2 'label 2' ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }

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  }


  // FORMAT clause tests


  public void testOneValidFormatWithDoubleQuotes() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery("select c1 Format c1 \"Format 1\" ");
    QueryFormat formats = query.getUserFormatOptions();
    assertEquals("Format 1", formats.getPattern(new SimpleColumn("c1")));
  }

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    QueryFormat formats = query.getUserFormatOptions();
    assertEquals("Format 1", formats.getPattern(new SimpleColumn("c1")));
  }


  public void testOneValidFormatWithSingleQuote() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery("select c1 Format c1 'Format 1' ");
    QueryFormat formats = query.getUserFormatOptions();
    assertEquals("Format 1", formats.getPattern(new SimpleColumn("c1")));
  }

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    QueryFormat formats = query.getUserFormatOptions();
    assertEquals("Format 1", formats.getPattern(new SimpleColumn("c1")));
  }


  public void testTwoValidFormats() throws Exception {
    Query query = QueryBuilder.getInstance().parseQuery(
        "select c1,c2 Format c1 'Format 1', c2 'Format 2' ");
    QueryFormat formats = query.getUserFormatOptions();
    assertEquals("Format 1", formats.getPattern(new SimpleColumn("c1")));
    assertEquals("Format 2", formats.getPattern(new SimpleColumn("c2")));
  }

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    assertEquals("Format 2", formats.getPattern(new SimpleColumn("c2")));
  }


  public void testInvalidFormat() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery("select c1 Format c1 gaga ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidEmptyFormat() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery("select c1 Format c1 ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }
  }

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    }
  }


  public void testInvalidTwoFormatsNoComma() throws Exception {
    try {
      Query query = QueryBuilder.getInstance().parseQuery(
          "select c1,c2 Format c1 'Format 1' c2 'Format 2' ");
      fail("Should have thrown an exception.");
    } catch (InvalidQueryException e) {
      // Expected behavior.
    }

View Full Code Here

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com.google.visualization.datasource.DataSourceHelper

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com.google.visualization.datasource.DataSourceServiceTest

com.google.visualization.datasource.query.engine.QueryEngineTest

com.google.visualization.datasource.query.parser.QueryBuilder

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