Examples with EGraphEngine org.hl7.fhir.utilities.graphql.EGraphEngine used on opensource projects

Example 1 with EGraphEngine

use of org.hl7.fhir.utilities.graphql.EGraphEngine in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngineTests method testResource.

private void testResource(Resource resource, String output, String source) throws IOException, EGraphEngine, EGraphQLException {
    GraphQLEngine gql = new GraphQLEngine(TestingUtilities.context());
    gql.setServices(this);
    if (resource != null) {
        gql.setFocus(resource);
    }
    gql.setGraphQL(Parser.parseFile(TestingUtilities.resourceNameToFile("graphql", source)));
    gql.getGraphQL().setOperationName(null);
    gql.getGraphQL().getVariables().add(new Argument("var", new NameValue("true")));
    boolean ok = false;
    String msg = null;
    try {
        gql.execute();
        ok = true;
    } catch (Exception e) {
        if (!output.equals("$error"))
            e.printStackTrace();
        ok = false;
        msg = e.getMessage();
    }
    if (ok) {
        Assertions.assertTrue(!output.equals("$error"), "Expected to fail, but didn't");
        StringBuilder str = new StringBuilder();
        gql.getOutput().setWriteWrapper(false);
        gql.getOutput().write(str, 0);
        TextFile.stringToFile(str.toString(), TestingUtilities.resourceNameToFile("graphql", output + ".out"));
        msg = TestingUtilities.checkJsonIsSame(TestingUtilities.resourceNameToFile("graphql", output + ".out"), TestingUtilities.resourceNameToFile("graphql", output));
        Assertions.assertTrue(Utilities.noString(msg), msg);
    } else
        Assertions.assertTrue(output.equals("$error"), "Error, but proper output was expected (" + msg + ")");
}

Example 2 with EGraphEngine

use of org.hl7.fhir.utilities.graphql.EGraphEngine in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngineTests method testReferenceReverseHistory.

@Test
public void testReferenceReverseHistory() throws IOException, EGraphEngine, EGraphQLException {
    String context = "Patient/example/$graphql";
    String source = "reference-reverse.gql";
    String output = "reference-reverse-history.json";
    String[] parts = context.split("/");
    String filename = TestingUtilities.resourceNameToFile(parts[0].toLowerCase() + "-" + parts[1].toLowerCase() + ".xml");
    Resource parsedResource = new XmlParser().parse(new FileInputStream(filename));
    parsedResource.setId("example/_history/1");
    testResource(parsedResource, output, source);
}

Example 3 with EGraphEngine

use of org.hl7.fhir.utilities.graphql.EGraphEngine in project org.hl7.fhir.core by hapifhir.

the class GraphQLParserTests method test.

@ParameterizedTest(name = "{index}: {0}")
@MethodSource("data")
public void test(String name, String test) throws IOException, EGraphQLException, EGraphEngine {
    Package doc = Parser.parse(test);
    Assertions.assertTrue(doc != null);
}

Example 4 with EGraphEngine

use of org.hl7.fhir.utilities.graphql.EGraphEngine in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method execute.

@Override
public void execute() throws EGraphEngine, EGraphQLException, FHIRException {
    if (graphQL == null)
        throw new EGraphEngine("Unable to process graphql - graphql document missing");
    fpe = new FHIRPathEngine(this.context);
    magicExpression = new ExpressionNode(0);
    output = new GraphQLResponse();
    Operation op = null;
    // todo: initial conditions
    if (!Utilities.noString(graphQL.getOperationName())) {
        op = graphQL.getDocument().operation(graphQL.getOperationName());
        if (op == null)
            throw new EGraphEngine("Unable to find operation \"" + graphQL.getOperationName() + "\"");
    } else if ((graphQL.getDocument().getOperations().size() == 1))
        op = graphQL.getDocument().getOperations().get(0);
    else
        throw new EGraphQLException("No operation name provided, so expected to find a single operation");
    if (op.getOperationType() == OperationType.qglotMutation)
        throw new EGraphQLException("Mutation operations are not supported (yet)");
    checkNoDirectives(op.getDirectives());
    processVariables(op);
    if (focus == null)
        processSearch(output, op.getSelectionSet(), false, "");
    else
        processObject(focus, focus, output, op.getSelectionSet(), false, "");
}

Example 5 with EGraphEngine

use of org.hl7.fhir.utilities.graphql.EGraphEngine in project org.hl7.fhir.core by hapifhir.

the class GraphQLParserTests method test.

@ParameterizedTest(name = "{index}: {0}")
@MethodSource("data")
public void test(String name, String test) throws IOException, EGraphQLException, EGraphEngine {
    Package doc = Parser.parse(test);
    Assertions.assertNotNull(doc);
}