Madeorsk
f16ad46f8d
+ Relations definition. + Add test submodels in testing database. * Generalize raw SQL query preparation and build. * Simplify and improve SQL query build algorithms.
54 lines
1.5 KiB
Zig
54 lines
1.5 KiB
Zig
const std = @import("std");
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const pg = @import("pg");
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const zrm = @import("zrm");
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const repository = @import("repository.zig");
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/// PostgreSQL database connection.
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var database: *pg.Pool = undefined;
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/// Initialize database connection.
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fn initDatabase(allocator: std.mem.Allocator) !void {
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database = try pg.Pool.init(allocator, .{
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.connect = .{
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.host = "localhost",
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.port = 5432,
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},
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.auth = .{
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.username = "zrm",
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.password = "zrm",
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.database = "zrm",
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},
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.size = 1,
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});
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}
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test "belongsTo" {
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zrm.setDebug(true);
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try initDatabase(std.testing.allocator);
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defer database.deinit();
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var poolConnector = zrm.database.PoolConnector{
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.pool = database,
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};
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// Build a query of submodels.
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var myQuery = repository.MySubmodelRepository.Query.init(std.testing.allocator, poolConnector.connector(), .{});
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defer myQuery.deinit();
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// Retrieve parents of submodels from relation.
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try myQuery.with(repository.MySubmodelRelations.parent);
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try myQuery.buildSql();
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// Get query result.
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var result = try myQuery.get(std.testing.allocator);
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defer result.deinit();
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// Checking result.
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try std.testing.expectEqual(2, result.models.len);
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try std.testing.expectEqual(1, result.models[0].parent_id);
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try std.testing.expectEqual(1, result.models[1].parent_id);
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try std.testing.expectEqual(repository.MyModel, @TypeOf(result.models[0].parent.?));
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try std.testing.expectEqual(repository.MyModel, @TypeOf(result.models[1].parent.?));
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try std.testing.expectEqual(1, result.models[0].parent.?.id);
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try std.testing.expectEqual(1, result.models[1].parent.?.id);
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}
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