Mock
Mock data sources for testing.
Connection Profile
No connection profile needed.
Connection Table
source_type(string, required): "query_history" | "schema_driven"query_history(object, optional): Query History Configurationevent_rate(number, required): Events to generate per secondruntime(number, optional): Source will finish after this many secondsfailure_prob(number, optional): Probability that a query ends in FAILED (0-1, default 0.05)fixed_query_id(string, optional): Generate events for exactly this query id
schema_driven(object, optional): Schema-Driven Mock Configurationname(string, required): Name of the schemafields(array, required): Field definitionsname(string, required): Field nametype(string, required): "boolean" | "int" | "int32" | "int64" | "float" | "float32" | "float64" | "string" | "timestamp" | "json"nullable(boolean, optional): Whether field can be null (default false)generator(object, required): Data generator configuration (constant, sequence, uuid, range, enum, faker, datetime, relative, template, array, struct)
generation(object, required): Generation mode- Batch mode:
mode(string): "batch"total(number, required): Total records to generatebatch_size(number, optional): Batch size
- Streaming mode:
mode(string): "streaming"rate(number, required): Records per secondruntime(number, optional): Runtime in seconds
- Batch mode:
constraints(array, optional): Constraints to apply (unique, conditional)seed(number, optional): Random seed for reproducible data
JSON Schema Reference
Connection Table Schema
{
"type": "object",
"title": "MockTable",
"properties": {
"source_type": {
"title": "Mock Source Type",
"type": "string",
"enum": ["query_history", "schema_driven"],
"default": "query_history",
"description": "Type of mock data source to generate"
},
"query_history": {
"type": "object",
"title": "Query History Configuration",
"properties": {
"event_rate": {
"title": "Event rate (messages / sec)",
"type": "number",
"minimum": 0,
"description": "Number of events to generate per second"
},
"runtime": {
"title": "Runtime (seconds)",
"type": "number",
"description": "If set, the source will finish after this many seconds"
},
"failure_prob": {
"title": "Failure probability",
"type": "number",
"minimum": 0,
"maximum": 1,
"default": 0.05,
"description": "Probability that a query ends in FAILED"
},
"fixed_query_id": {
"title": "Fixed query id",
"type": "string",
"description": "If set, generate events for exactly this query id"
}
},
"required": ["event_rate"]
},
"schema_driven": {
"type": "object",
"title": "Schema-Driven Mock Configuration",
"description": "Define custom schema and data generation rules",
"properties": {
"name": {
"type": "string",
"description": "Name of the schema"
},
"fields": {
"type": "array",
"description": "Field definitions",
"items": {
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Field name"
},
"type": {
"type": "string",
"enum": ["boolean", "int", "int32", "int64", "float", "float32", "float64", "string", "timestamp", "json"],
"description": "Field data type"
},
"nullable": {
"type": "boolean",
"default": false,
"description": "Whether the field can be null"
},
"generator": {
"oneOf": [
{
"type": "object",
"properties": {
"generator_type": {"const": "constant"},
"value": {}
},
"required": ["generator_type", "value"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "sequence"},
"start": {"type": "number"},
"increment": {"type": "number", "default": 1}
},
"required": ["generator_type", "start"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "uuid"}
},
"required": ["generator_type"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "range"},
"min": {"type": "number"},
"max": {"type": "number"},
"distribution": {"type": "string", "enum": ["uniform", "normal"], "default": "uniform"}
},
"required": ["generator_type", "min", "max"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "enum"},
"values": {"type": "array"},
"weights": {"type": "array", "items": {"type": "number"}}
},
"required": ["generator_type", "values"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "faker"},
"method": {"type": "string"},
"locale": {"type": "string", "default": "en"}
},
"required": ["generator_type", "method"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "datetime"},
"start": {"type": "string"},
"end": {"type": "string"},
"format": {"type": "string"}
},
"required": ["generator_type"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "relative"},
"base": {"type": "string"},
"offset": {"type": "string"}
},
"required": ["generator_type", "base", "offset"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "template"},
"template": {}
},
"required": ["generator_type", "template"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "array"},
"length": {
"oneOf": [
{"type": "number"},
{
"type": "object",
"properties": {
"min": {"type": "number"},
"max": {"type": "number"}
},
"required": ["min", "max"]
}
]
},
"element": {"type": "object"}
},
"required": ["generator_type", "length", "element"]
},
{
"type": "object",
"properties": {
"generator_type": {"const": "struct"},
"fields": {"type": "array"}
},
"required": ["generator_type", "fields"]
}
]
}
},
"required": ["name", "type", "generator"]
}
},
"generation": {
"type": "object",
"oneOf": [
{
"properties": {
"mode": {"const": "batch"},
"total": {"type": "number", "minimum": 1},
"batch_size": {"type": "number", "minimum": 1}
},
"required": ["mode", "total"]
},
{
"properties": {
"mode": {"const": "streaming"},
"rate": {"type": "number", "minimum": 0},
"runtime": {"type": "number", "minimum": 0}
},
"required": ["mode", "rate"]
}
]
},
"constraints": {
"type": "array",
"description": "Constraints to apply to the generated data",
"items": {
"oneOf": [
{
"type": "object",
"properties": {
"type": {"const": "unique"},
"fields": {
"type": "array",
"items": {"type": "string"},
"minItems": 1
}
},
"required": ["type", "fields"]
},
{
"type": "object",
"properties": {
"type": {"const": "conditional"},
"condition": {"type": "string"},
"then": {"type": "object"}
},
"required": ["type", "condition", "then"]
}
]
}
},
"seed": {
"type": "number",
"description": "Random seed for reproducible data generation"
}
},
"required": ["name", "fields", "generation"]
}
},
"required": ["source_type"],
"additionalProperties": false
}