Examples with FileSystemFile spoon.support.compiler.FileSystemFile used on opensource projects

Example 1 with FileSystemFile

use of spoon.support.compiler.FileSystemFile in project spoon by INRIA.

the class TemplateInvocationSubstitutionTest method testInvocationSubstitutionByStatement.

@Test
public void testInvocationSubstitutionByStatement() throws Exception {
    // contract: the template engine supports substitution of any method invocation
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/InvocationSubstitutionByStatementTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtBlock<?> templateArg = factory.Class().get(InvocationSubstitutionByStatementTemplate.class).getMethod("sample").getBody();
    CtClass<?> resultKlass = factory.Class().create("Result");
    CtStatement result = new InvocationSubstitutionByStatementTemplate(templateArg).apply(resultKlass);
    assertEquals("throw new java.lang.RuntimeException(\"Failed\")", result.toString());
}

Example 2 with FileSystemFile

use of spoon.support.compiler.FileSystemFile in project spoon by INRIA.

the class TemplateInvocationSubstitutionTest method testInvocationSubstitutionByExpression.

@Test
public void testInvocationSubstitutionByExpression() throws Exception {
    // contract: the template engine supports substitution of any method invocation
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/InvocationSubstitutionByExpressionTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> resultKlass = factory.Class().create("Result");
    CtBlock<?> result = new InvocationSubstitutionByExpressionTemplate(factory.createLiteral("abc")).apply(resultKlass);
    assertEquals("java.lang.System.out.println(\"abc\".substring(1))", result.getStatement(0).toString());
    assertEquals("java.lang.System.out.println(\"abc\".substring(1))", result.getStatement(1).toString());
}

Example 3 with FileSystemFile

use of spoon.support.compiler.FileSystemFile in project spoon by INRIA.

the class TemplateInvocationSubstitutionTest method testSubstitutionByExpression.

@Test
public void testSubstitutionByExpression() throws Exception {
    // contract: the template engine understands fields whose type extends from TemplateParameter as template parameter automatically. No need for extra annotation
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/SubstitutionByExpressionTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> resultKlass = factory.Class().create("Result");
    CtBlock<?> result = new SubstitutionByExpressionTemplate(factory.createLiteral("abc")).apply(resultKlass);
    assertEquals("java.lang.System.out.println(\"abc\".substring(1))", result.getStatement(0).toString());
}

Example 4 with FileSystemFile

use of spoon.support.compiler.FileSystemFile in project spoon by INRIA.

the class TemplateTest method substituteStringLiteral.

@Test
public void substituteStringLiteral() throws Exception {
    // contract: the substitution of literals is possible too
    // contract: the template engine supports substitution of root element
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/SubstituteLiteralTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    {
        // contract: String value is substituted in String literal
        final CtClass<?> result = (CtClass<?>) new SubstituteLiteralTemplate("value1").apply(factory.createClass());
        assertEquals("java.lang.String stringField1 = \"value1\";", result.getField("stringField1").toString());
        assertEquals("java.lang.String stringField2 = \"Substring value1 is substituted too - value1\";", result.getField("stringField2").toString());
        // contract: the parameter of type string replaces only method name
        assertEquals("java.lang.System.out.println(spoon.test.template.testclasses.Params.value1())", result.getMethodsByName("m1").get(0).getBody().getStatement(0).toString());
    }
    {
        // contract: String Literal value is substituted in String literal
        final CtClass<?> result = (CtClass<?>) new SubstituteLiteralTemplate(factory.createLiteral("value2")).apply(factory.createClass());
        assertEquals("java.lang.String stringField1 = \"value2\";", result.getField("stringField1").toString());
        assertEquals("java.lang.String stringField2 = \"Substring value2 is substituted too - value2\";", result.getField("stringField2").toString());
        // contract: the parameter of type String literal replaces whole invocation
        assertEquals("java.lang.System.out.println(\"value2\")", result.getMethodsByName("m1").get(0).getBody().getStatement(0).toString());
    }
    {
        // contract: simple name of type reference is substituted in String literal
        final CtClass<?> result = (CtClass<?>) new SubstituteLiteralTemplate(factory.Type().createReference("some.ignored.package.TypeName")).apply(factory.createClass());
        assertEquals("java.lang.String stringField1 = \"TypeName\";", result.getField("stringField1").toString());
        assertEquals("java.lang.String stringField2 = \"Substring TypeName is substituted too - TypeName\";", result.getField("stringField2").toString());
        // contract type reference is substituted in invocation as class access
        assertEquals("java.lang.System.out.println(some.ignored.package.TypeName.class)", result.getMethodsByName("m1").get(0).getBody().getStatement(0).toString());
    }
    {
        // contract: number literal is substituted in String literal as number converted to string
        final CtClass<?> result = (CtClass<?>) new SubstituteLiteralTemplate(factory.createLiteral(7)).apply(factory.createClass());
        assertEquals("java.lang.String stringField1 = \"7\";", result.getField("stringField1").toString());
        assertEquals("java.lang.String stringField2 = \"Substring 7 is substituted too - 7\";", result.getField("stringField2").toString());
        // contract number literal is substituted in invocation as number literal
        assertEquals("java.lang.System.out.println(7)", result.getMethodsByName("m1").get(0).getBody().getStatement(0).toString());
    }
}

Example 5 with FileSystemFile

use of spoon.support.compiler.FileSystemFile in project spoon by INRIA.

the class TemplateTest method testSubstituteInnerClass.

@Test
public void testSubstituteInnerClass() throws Exception {
    // contract: the inner class is substituted well too and references to target class are substituted well
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/InnerClassTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> result = factory.Class().create("x.Result");
    new InnerClassTemplate().apply(result);
    assertEquals(1, result.getNestedTypes().size());
    CtType<?> innerType = result.getNestedType("Inner");
    assertNotNull(innerType);
    CtField<?> innerField = innerType.getField("innerField");
    assertNotNull(innerField);
    assertSame(innerType, innerField.getDeclaringType());
    CtFieldReference<?> fr = innerType.filterChildren((CtFieldReference<?> e) -> true).first();
    // check that reference to declaring type is correctly substituted
    assertEquals("x.Result$Inner", fr.getDeclaringType().getQualifiedName());
}