zrm/tests/relations.zig

100 lines
2.9 KiB
Zig

const std = @import("std");
const pg = @import("pg");
const zrm = @import("zrm");
const repository = @import("repository.zig");
/// PostgreSQL database connection.
var database: *pg.Pool = undefined;
/// Initialize database connection.
fn initDatabase(allocator: std.mem.Allocator) !void {
database = try pg.Pool.init(allocator, .{
.connect = .{
.host = "localhost",
.port = 5432,
},
.auth = .{
.username = "zrm",
.password = "zrm",
.database = "zrm",
},
.size = 5,
});
}
test "belongsTo" {
zrm.setDebug(true);
try initDatabase(std.testing.allocator);
defer database.deinit();
var poolConnector = zrm.database.PoolConnector{
.pool = database,
};
// Build a query of submodels.
var myQuery = repository.MySubmodelRepository.QueryWith(
// Retrieve parents of submodels from relation.
&[_]zrm.relations.Relation{repository.MySubmodelRelations.parent}
).init(std.testing.allocator, poolConnector.connector(), .{});
defer myQuery.deinit();
try myQuery.buildSql();
// Get query result.
var result = try myQuery.get(std.testing.allocator);
defer result.deinit();
// Checking result.
try std.testing.expectEqual(2, result.models.len);
try std.testing.expectEqual(1, result.models[0].parent_id);
try std.testing.expectEqual(1, result.models[1].parent_id);
try std.testing.expectEqual(repository.MyModel, @TypeOf(result.models[0].parent.?));
try std.testing.expectEqual(1, result.models[0].parent.?.id);
try std.testing.expectEqual(1, result.models[1].parent.?.id);
}
test "hasMany" {
zrm.setDebug(true);
try initDatabase(std.testing.allocator);
defer database.deinit();
var poolConnector = zrm.database.PoolConnector{
.pool = database,
};
// Build a query of submodels.
var myQuery = repository.MyModelRepository.QueryWith(
// Retrieve parents of submodels from relation.
&[_]zrm.relations.Relation{repository.MyModelRelations.submodels}
).init(std.testing.allocator, poolConnector.connector(), .{});
defer myQuery.deinit();
try myQuery.buildSql();
// Get query result.
var result = try myQuery.get(std.testing.allocator);
defer result.deinit();
// Checking result.
try std.testing.expectEqual(repository.MySubmodel, @TypeOf(result.models[0].submodels.?[0]));
// Checking retrieved submodels.
for (result.models) |model| {
try std.testing.expect(model.submodels != null);
if (model.submodels.?.len > 0) {
try std.testing.expectEqual(1, model.id);
try std.testing.expectEqual(2, model.submodels.?.len);
for (model.submodels.?) |submodel| {
try std.testing.expectEqual(1, submodel.parent_id.?);
try std.testing.expect(
std.mem.eql(u8, &try pg.uuidToHex(submodel.uuid), "f6868a5b-2efc-455f-b76e-872df514404f")
or std.mem.eql(u8, &try pg.uuidToHex(submodel.uuid), "013ef171-9781-40e9-b843-f6bc11890070")
);
try std.testing.expect(
std.mem.eql(u8, submodel.label, "test") or std.mem.eql(u8, submodel.label, "another")
);
}
}
}
}