{
  "$id": "equipment/cohesion_test_warren_spring.v1-0-0.json",
  "$schema": "https://raw.githubusercontent.com/Vidminas/python-jsonschema-minmax/main/metaschema/minmax-metaschema.json",

  "type": "object",
  "properties": {
    "test_category": { "const": "Cohesion Test" },
    "test_subcategory": { "const": "Warren Spring Cohesion Test" },
    "class": { "label": "Test Regime", "const": "Quasi-static" },
    "rating": { "label": "Repeatability Rating", "const": 4 },
    "geometric_properties": { "$ref": "#/$defs/geometric_properties" },
    "measurement_parameters": { "$ref": "#/$defs/measurement_parameters" }
  },
  "required": ["geometric_properties", "measurement_parameters"],

  "$defs": {
    "geometric_properties": {
      "type": "object",
      "properties": {
        "cell_diameter": { "type": "number", "minimum": 0, "units": ["mm"] },
        "cell_height": { "type": "number", "minimum": 0, "units": ["mm"] },
        "cell_material": { "type": "string" },
        "wall_thickness": { "type": "number", "minimum": 0, "units": ["mm"] },
        "attachment_diameter": { "type": "number", "minimum": 0, "units": ["mm"] },
        "max_consolidation_stress": { "type": "number", "minimum": 0, "units": ["Pa"] },
        "max_translation_rate": { "type": "number", "minimum": 0, "units": ["mm/s"] },
        "spring_calibration_factor": { "type": "number", "minimum": 0 },
        "consolidation_stress_application": { "enum": ["Constant Mass", "Servo-Controlled"] }
        },
      "additionalProperties": false,
      "required": ["cell_diameter", "cell_height", "consolidation_stress_application",  "tension_force_application", 
      "max_consolidation_stress", "max_tension_force", "spring_calibration_factor"]
    },
    "measurement_parameters": {
      "type": "object",
      "properties": {
        "force_accuracy": { "type": "number", "minimum": 0, "units": ["Pa"] },
        "force_resolution": { "type": "number", "minimum": 0, "units": ["Pa"] },
        "displacement_accuracy": { "type": "number", "minimum": 0, "units": ["mm"] },
        "displacement_resolution": { "type": "number", "minimum": 0, "units": ["mm"] }
      },
      "additionalProperties": false,
      "required": ["force_accuracy", "displacement_accuracy"]
    }
  }
}