public async Task ReadObjectAsync_HasDateTimeOffsetAttribute_PreservesTimeZone(DateParseHandling handling)
{
{
using var stream = new MemoryStream(
System.Text.Encoding.UTF8.GetBytes("{\"value\":\"2021-06-21T10:16:56.9714243+10:00\"}"));
var serializer = CreateDefaultJsonSerializer();
serializer.DateParseHandling = handling;
using var reader = new DefaultJsonStreamReader(stream, serializer);
Assert.True(await reader.InitializeAsync());
var value = await reader.ReadObjectAsync <JsonDocument>();
Assert.Equal(10, value.Value.Offset.Hours);
}
{
// check again, just in case the test was run in the +10 timezone and would have given a false positive.
using var stream = new MemoryStream(
System.Text.Encoding.UTF8.GetBytes("{\"value\":\"2021-06-21T10:16:56.9714243-8:00\"}"));
var serializer = CreateDefaultJsonSerializer();
serializer.DateParseHandling = handling;
using var reader = new DefaultJsonStreamReader(stream, serializer);
Assert.True(await reader.InitializeAsync());
var value = await reader.ReadObjectAsync <JsonDocument>();
Assert.Equal(-8, value.Value.Offset.Hours);
}
}
public async Task ReadObjectAsync_AfterObject_GetsNextProperty()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Query\query-n1ql-error-response-400.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadObjectsAsync <dynamic>().ToListAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadObjectAsync <MetricsData>();
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Null(result);
}
public async Task ReadToNextAttributeAsync_NestedArray_ReadsInto()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Query\query-200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
Assert.Equal("results", await reader.ReadToNextAttributeAsync());
// Act
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Equal("results[0].abv", result);
Assert.Equal(3, reader.Depth);
}
public async Task InitializeAsync_CalledTwice_InvalidOperationException()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
// Act/Assert
await reader.InitializeAsync();
await Assert.ThrowsAsync <InvalidOperationException>(() => reader.InitializeAsync());
}
public async Task ReadObjectAsync_NotOnObject_InvalidOperationException()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Query\query-n1ql-error-response-400.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act/Assert
await reader.ReadToNextAttributeAsync();
await Assert.ThrowsAsync <InvalidOperationException>(() => reader.ReadObjectAsync <dynamic>());
}
public async Task InitializeAsync_EmptyStream_ReturnsFalse()
{
// Arrange
using var stream = new MemoryStream();
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
// Act
var result = await reader.InitializeAsync();
// Assert
Assert.False(result);
}
public async Task InitializeAsync_CalledOnce_ReturnsTrue()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
// Act
var result = await reader.InitializeAsync();
// Assert
Assert.True(result);
}
public async Task ReadArrayAsync_NotOnArray_InvalidOperationException()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act/Assert
await reader.ReadToNextAttributeAsync();
await Assert.ThrowsAsync <InvalidOperationException>(
() => reader.ReadObjectsAsync <dynamic>().ToListAsync().AsTask());
}
public async Task ReadToNextAttributeAsync_FirstTime_ReturnsFirstAttribute()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Equal("total_rows", result);
}
public async Task ValueType_NotOnProperty_ReturnsNull()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
var result = reader.ValueType;
// Assert
Assert.Null(result);
}
public async Task ReadObjectAsync_OnNumber_ReadsNumber()
{
// Arrange
using var stream = new MemoryStream(
System.Text.Encoding.UTF8.GetBytes("{\"value\":0.105}"));
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act/Assert
await reader.ReadToNextAttributeAsync();
var value = await reader.ReadObjectAsync <double>();
Assert.Equal(0.105, value);
}
public async Task ValueType_OnProperty_ReturnsValue(string filename, Type expectedFirstProperty)
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(filename);
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
await reader.ReadToNextAttributeAsync();
var result = reader.ValueType;
// Assert
Assert.Equal(expectedFirstProperty, result);
}
public async Task ReadObjectAsync_OnDateTimeOffset_PreservesTimeZone()
{
// Note: this emulates a "SELECT RAW" query returning a DateTimeOffset value, and currently requires
// that the serializer be set to DateParseHandling.DateTimeOffset. It will fail with DateParseHandling.DateTime.
{
using var stream = new MemoryStream(
System.Text.Encoding.UTF8.GetBytes("{\"value\":\"2021-06-21T10:16:56.9714243+10:00\"}"));
var serializer = CreateDefaultJsonSerializer();
serializer.DateParseHandling = DateParseHandling.DateTimeOffset;
using var reader = new DefaultJsonStreamReader(stream, serializer);
Assert.True(await reader.InitializeAsync());
await reader.ReadToNextAttributeAsync();
var value = await reader.ReadObjectAsync <DateTimeOffset>();
Assert.Equal(10, value.Offset.Hours);
}
{
// check again, just in case the test was run in the +10 timezone and would have given a false positive.
using var stream = new MemoryStream(
System.Text.Encoding.UTF8.GetBytes("{\"value\":\"2021-06-21T10:16:56.9714243-8:00\"}"));
var serializer = CreateDefaultJsonSerializer();
serializer.DateParseHandling = DateParseHandling.DateTimeOffset;
using var reader = new DefaultJsonStreamReader(stream, serializer);
Assert.True(await reader.InitializeAsync());
await reader.ReadToNextAttributeAsync();
var value = await reader.ReadObjectAsync <DateTimeOffset>();
Assert.Equal(-8, value.Offset.Hours);
}
}
public async Task ReadToNextAttributeAsync_AfterLast_ReturnsNull()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"404-view-notfound.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Null(result);
}
public async Task ReadArrayAsync_ReturnsArray()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Views\200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
// Act
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
var result = await reader.ReadObjectsAsync <dynamic>().ToListAsync();
// Assert
Assert.Equal(4, result.Count);
Assert.Equal("21st_amendment_brewery_cafe", (string)result[0]["id"]);
}
public async Task ReadToNextAttributeAsync_NestedProperties_GetsPathAndDepth()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Query\query-200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
Assert.Equal("signature", await reader.ReadToNextAttributeAsync());
// Act
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Equal("signature.*", result);
Assert.Equal(2, reader.Depth);
}
public async Task ReadToNextAttributeAsync_NestedArray_CorrectPathDuringIteration()
{
// Arrange
using var stream = ResourceHelper.ReadResourceAsStream(@"Documents\Query\query-200-success.json");
using var reader = new DefaultJsonStreamReader(stream, CreateDefaultJsonSerializer());
Assert.True(await reader.InitializeAsync());
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
await reader.ReadToNextAttributeAsync();
Assert.Equal("results", await reader.ReadToNextAttributeAsync());
string?x;
while ((x = await reader.ReadToNextAttributeAsync()) != "results[0].updatedUnixMillis")
{
int i = 0;
// Loop to get to the last attr in the first element
}
// Act
var result = await reader.ReadToNextAttributeAsync();
// Assert
Assert.Equal("results[1].abv", result);
Assert.Equal(3, reader.Depth);
}
