root/tools/json_schema_compiler/test/error_generation_unittest.cc

DEFINITIONS

1. GetPopulateError
2. EqualsUtf16
3. TEST
4. TEST
5. TEST
6. TEST
7. TEST
8. TEST
9. TEST
10. TEST
11. TEST
12. TEST
13. TEST
14. TEST
15. TEST
16. TEST
17. TEST
18. TEST
19. TEST
20. TEST

// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "tools/json_schema_compiler/test/error_generation.h"

#include "base/json/json_writer.h"
#include "base/strings/utf_string_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "tools/json_schema_compiler/test/test_util.h"

using namespace test::api::error_generation;
using base::FundamentalValue;
using json_schema_compiler::test_util::Dictionary;
using json_schema_compiler::test_util::List;

template <typename T>
base::string16 GetPopulateError(const base::Value& value) {
  base::string16 error;
  T test_type;
  T::Populate(value, &test_type, &error);
  return error;
}

testing::AssertionResult EqualsUtf16(const std::string& expected,
                                     const base::string16& actual) {
  if (base::ASCIIToUTF16(expected) != actual)
    return testing::AssertionFailure() << expected << " != " << actual;
  return testing::AssertionSuccess();
}

// GenerateTypePopulate errors

TEST(JsonSchemaCompilerErrorTest, RequiredPropertyPopulate) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "string", new base::StringValue("bling"));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<TestType>(*value)));
  }
  {
    scoped_ptr<base::BinaryValue> value(new base::BinaryValue());
    EXPECT_TRUE(EqualsUtf16("expected dictionary, got binary",
        GetPopulateError<TestType>(*value)));
  }
}

TEST(JsonSchemaCompilerErrorTest, UnexpectedTypePopulation) {
  {
    scoped_ptr<base::ListValue> value(new base::ListValue());
    EXPECT_TRUE(EqualsUtf16("",
        GetPopulateError<ChoiceType::Integers>(*value)));
  }
  {
    scoped_ptr<base::BinaryValue> value(new base::BinaryValue());
    EXPECT_TRUE(EqualsUtf16("expected integers or integer, got binary",
        GetPopulateError<ChoiceType::Integers>(*value)));
  }
}

// GenerateTypePopulateProperty errors

TEST(JsonSchemaCompilerErrorTest, TypeIsRequired) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "integers", new FundamentalValue(5));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<ChoiceType>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
    EXPECT_TRUE(EqualsUtf16("'integers' is required",
        GetPopulateError<ChoiceType>(*value)));
  }
}

// GenerateParamsCheck errors

TEST(JsonSchemaCompilerErrorTest, TooManyParameters) {
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5));
    EXPECT_TRUE(TestFunction::Params::Create(*params_value));
  }
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5),
        new FundamentalValue(5));
    base::string16 error;
    EXPECT_FALSE(TestFunction::Params::Create(*params_value, &error));
    EXPECT_TRUE(EqualsUtf16("expected 1 arguments, got 2", error));
  }
}

// GenerateFunctionParamsCreate errors

TEST(JsonSchemaCompilerErrorTest, ParamIsRequired) {
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5));
    EXPECT_TRUE(TestFunction::Params::Create(*params_value));
  }
  {
    scoped_ptr<base::ListValue> params_value = List(
        base::Value::CreateNullValue());
    base::string16 error;
    EXPECT_FALSE(TestFunction::Params::Create(*params_value, &error));
    EXPECT_TRUE(EqualsUtf16("'num' is required", error));
  }
}

// GeneratePopulateVariableFromValue errors

TEST(JsonSchemaCompilerErrorTest, WrongPropertyValueType) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
      "string", new base::StringValue("yes"));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<TestType>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "string", new FundamentalValue(1.1));
    EXPECT_TRUE(EqualsUtf16("'string': expected string, got number",
        GetPopulateError<TestType>(*value)));
  }
}

TEST(JsonSchemaCompilerErrorTest, WrongParameterCreationType) {
  {
    scoped_ptr<base::ListValue> params_value = List(
        new base::StringValue("Yeah!"));
    EXPECT_TRUE(TestString::Params::Create(*params_value));
  }
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5));
    base::string16 error;
    EXPECT_FALSE(TestTypeInObject::Params::Create(*params_value, &error));
    EXPECT_TRUE(EqualsUtf16("'paramObject': expected dictionary, got integer",
        error));
  }
}

TEST(JsonSchemaCompilerErrorTest, WrongTypeValueType) {
  {
    scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<ObjectType>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "otherType", new FundamentalValue(1.1));
    ObjectType out;
    base::string16 error;
    EXPECT_TRUE(ObjectType::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'otherType': expected dictionary, got number",
        error));
    EXPECT_EQ(NULL, out.other_type.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, UnableToPopulateArray) {
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5));
    EXPECT_TRUE(EqualsUtf16("",
        GetPopulateError<ChoiceType::Integers>(*params_value)));
  }
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5),
        new FundamentalValue(false));
    EXPECT_TRUE(EqualsUtf16("unable to populate array 'integers'",
        GetPopulateError<ChoiceType::Integers>(*params_value)));
  }
}

TEST(JsonSchemaCompilerErrorTest, BinaryTypeExpected) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "data", new base::BinaryValue());
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<BinaryData>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "data", new FundamentalValue(1.1));
    EXPECT_TRUE(EqualsUtf16("'data': expected binary, got number",
        GetPopulateError<BinaryData>(*value)));
  }
}

TEST(JsonSchemaCompilerErrorTest, ListExpected) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "TheArray", new base::ListValue());
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<ArrayObject>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "TheArray", new FundamentalValue(5));
    EXPECT_TRUE(EqualsUtf16("'TheArray': expected list, got integer",
        GetPopulateError<ArrayObject>(*value)));
  }
}

// GenerateStringToEnumConversion errors

TEST(JsonSchemaCompilerErrorTest, BadEnumValue) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "enumeration", new base::StringValue("one"));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<HasEnumeration>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "enumeration", new base::StringValue("bad sauce"));
    EXPECT_TRUE(EqualsUtf16("'Enumeration': expected \"one\" or \"two\" "
              "or \"three\", got \"bad sauce\"",
        GetPopulateError<HasEnumeration>(*value)));
  }
}

// Warn but don't fail out errors

TEST(JsonSchemaCompilerErrorTest, WarnOnOptionalFailure) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "string", new base::StringValue("bling"));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<OptionalTestType>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "string", new base::FundamentalValue(1));

    OptionalTestType out;
    base::string16 error;
    EXPECT_TRUE(OptionalTestType::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'string': expected string, got integer",
        error));
    EXPECT_EQ(NULL, out.string.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, OptionalBinaryTypeFailure) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "data", new base::BinaryValue());
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<OptionalBinaryData>(*value)));
  }
  {
    // There's a bug with silent failures if the key doesn't exist.
    scoped_ptr<base::DictionaryValue> value = Dictionary("data",
        new base::FundamentalValue(1));

    OptionalBinaryData out;
    base::string16 error;
    EXPECT_TRUE(OptionalBinaryData::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'data': expected binary, got integer",
        error));
    EXPECT_EQ(NULL, out.data.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, OptionalArrayTypeFailure) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "TheArray", new base::ListValue());
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<ArrayObject>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "TheArray", new FundamentalValue(5));
    ArrayObject out;
    base::string16 error;
    EXPECT_TRUE(ArrayObject::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'TheArray': expected list, got integer",
        error));
    EXPECT_EQ(NULL, out.the_array.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, OptionalUnableToPopulateArray) {
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5));
    EXPECT_TRUE(EqualsUtf16("",
        GetPopulateError<OptionalChoiceType::Integers>(*params_value)));
  }
  {
    scoped_ptr<base::ListValue> params_value = List(
        new FundamentalValue(5),
        new FundamentalValue(false));
    OptionalChoiceType::Integers out;
    base::string16 error;
    EXPECT_TRUE(OptionalChoiceType::Integers::Populate(*params_value, &out,
        &error));
    EXPECT_TRUE(EqualsUtf16("unable to populate array 'integers'",
        error));
    EXPECT_EQ(NULL, out.as_integer.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, MultiplePopulationErrors) {
  {

    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "TheArray", new FundamentalValue(5));
    ArrayObject out;
    base::string16 error;
    EXPECT_TRUE(ArrayObject::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'TheArray': expected list, got integer",
        error));
    EXPECT_EQ(NULL, out.the_array.get());

    EXPECT_TRUE(ArrayObject::Populate(*value, &out, &error));
    EXPECT_TRUE(EqualsUtf16("'TheArray': expected list, got integer; "
        "'TheArray': expected list, got integer",
        error));
    EXPECT_EQ(NULL, out.the_array.get());
  }
}

TEST(JsonSchemaCompilerErrorTest, TooManyKeys) {
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
      "string", new base::StringValue("yes"));
    EXPECT_TRUE(EqualsUtf16("", GetPopulateError<TestType>(*value)));
  }
  {
    scoped_ptr<base::DictionaryValue> value = Dictionary(
        "string", new base::StringValue("yes"),
        "ohno", new base::StringValue("many values"));
    EXPECT_TRUE(EqualsUtf16("found unexpected key 'ohno'",
        GetPopulateError<TestType>(*value)));
  }
}