{
    "$id": "https://fuchsia.dev/schema/src/storage/fs_test/fs_test.schema.json",
    "$schema": "https://json-schema.org/draft-2020-12/schema",
    "description": "Configuration for running a suite of filesystem tests",
    "oneOf": [
        {
            "required": [
                "binary_path",
                "name",
                "timestamp_granularity"
            ]
        },
        {
            "required": [
                "disk_format",
                "name",
                "timestamp_granularity"
            ]
        },
        {
            "required": [
                "library",
                "name"
            ]
        }
    ],
    "properties": {
        "binary_path": {
            "description": "Path to the filesystem binary",
            "type": "string"
        },
        "disk_format": {
            "description": "The format known to fs-management",
            "type": "integer"
        },
        "uses_crypt": {
            "description": "True if the filesystem uses a crypt service",
            "type": "boolean"
        },
        "has_directory_size_limit": {
            "default": false,
            "description": "True if the filesystem has a directory size limit (unrelated to available disk space)",
            "type": "boolean"
        },
        "in_memory": {
            "default": false,
            "description": "True if the filesystem is an in-memory filesystem",
            "type": "boolean"
        },
        "is_case_sensitive": {
            "default": true,
            "description": "True if the filesystem is case sensitive",
            "type": "boolean"
        },
        "is_component": {
            "default": false,
            "description": "True if the filesystem runs as a component",
            "type": "boolean"
        },
        "is_journaled": {
            "default": true,
            "description": "True if the filesystem implements journaling and can recover from sudden failure",
            "type": "boolean"
        },
        "is_slow": {
            "default": false,
            "description": "True if the filesystem is a slow filesystem, in which case some tests are tweaked so they can complete on time",
            "type": "boolean"
        },
        "library": {
            "description": "Dynamic library that contains the filesystem definition; see memfs for an example",
            "type": "string"
        },
        "max_file_size": {
            "description": "The maximum file size supported",
            "exclusiveMinimum": 0,
            "maximum": 9223372036854775807,
            "type": "integer"
        },
        "max_block_size": {
            "description": "The maximum block size the filesystem can support",
            "maximum": 9223372036854775807,
            "type": "integer"
        },
        "name": {
            "description": "Name of the filesystem",
            "minLength": 1,
            "type": "string"
        },
        "options": {
            "description": "A list of test options to be applied to the filesystem",
            "items": {
                "properties": {
                    "description": {
                        "description": "Name given to this set of options",
                        "type": "string"
                    },
                    "device_block_count": {
                        "default": 196608,
                        "description": "device_block_count",
                        "type": "integer"
                    },
                    "device_block_size": {
                        "default": 512,
                        "description": "device_block_size",
                        "type": "integer"
                    },
                    "has_min_volume_size": {
                        "default": false,
                        "description": "True if the filesystem requires a minimum volume size, in which case its volume size is configured as device_block_size * device_block_count for all tests",
                        "type": "boolean"
                    },
                    "use_fvm": {
                        "description": "True if FVM should be used",
                        "type": "boolean"
                    }
                },
                "required": [
                    "description",
                    "use_fvm"
                ],
                "type": "object"
            },
            "minItems": 1,
            "type": "array"
        },
        "sectors_per_cluster": {
            "description": "If set, the sectors_per_cluster value to use when formatting a FAT filesystem",
            "type": "integer"
        },
        "supports_fsck_after_every_transaction": {
            "default": false,
            "description": "True if the filesystem supports the fsck_after_every_transaction mount option",
            "type": "boolean"
        },
        "supports_hard_links": {
            "default": false,
            "description": "True if hard links are supported",
            "type": "boolean"
        },
        "supports_inspect": {
            "default": false,
            "description": "True if the filesystem exposes a standardized inspect tree",
            "type": "boolean"
        },
        "supports_mmap": {
            "default": false,
            "description": "True if mmap is supported",
            "type": "boolean"
        },
        "supports_mmap_shared_write": {
            "default": false,
            "description": "True if mmap supports PROT_WRITE + MAP_SHARED, and propagates writes from the mapped region to the underlying file (implies size changes are tracked)",
            "type": "boolean"
        },
        "supports_resize": {
            "default": false,
            "description": "True if the filesystem can expand in size when used within a volume manager like FVM",
            "type": "boolean"
        },
        "supports_shutdown_on_no_connections": {
            "default": false,
            "description": "True if the filesystem supports shutdown on no connections",
            "type": "boolean"
        },
        "supports_sparse_files": {
            "default": true,
            "description": "True if the filesystem supports sparse files",
            "type": "boolean"
        },
        "supports_watch_event_deleted": {
            "default": true,
            "description": "True if the filesystem supports the WATCH_EVENT_DELETED event",
            "type": "boolean"
        },
        "timestamp_granularity": {
            "description": "Timestamp granularity in nanoseconds",
            "exclusiveMinimum": 0,
            "type": "integer"
        }
    },
    "type": "object"
}