56 lines
2.0 KiB
Zig
56 lines
2.0 KiB
Zig
const std = @import("std");
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const service_list = @import("models/service_manifest.zig");
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const expectEqualStrings = std.testing.expectEqualStrings;
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pub fn Services(comptime service_imports: anytype) type {
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if (service_imports.len == 0) return services;
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// From here, the fields of our structure can be generated at comptime...
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var fields: [serviceCount(service_imports)]std.builtin.Type.StructField = undefined;
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for (&fields, 0..) |*item, i| {
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const import_field = @field(service_list, @tagName(service_imports[i]));
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item.* = .{
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.name = @tagName(service_imports[i]),
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.type = @TypeOf(import_field),
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.default_value = &import_field,
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.is_comptime = false,
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.alignment = 0,
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};
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}
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// finally, generate the type
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return @Type(.{
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.Struct = .{
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.layout = .auto,
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.fields = &fields,
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.decls = &[_]std.builtin.Type.Declaration{},
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.is_tuple = false,
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},
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});
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}
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fn serviceCount(desired_services: anytype) usize {
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if (desired_services.len == 0) return @TypeOf(service_list).Struct.fields.len;
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return desired_services.len;
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}
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/// Using this constant may blow up build times. Recommed using Services()
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/// function directly, e.g. const services = Services(.{.sts, .ec2, .s3, .ddb}){};
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pub const services = service_list;
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test "services includes sts" {
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try expectEqualStrings("2011-06-15", services.sts.version);
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}
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test "sts includes get_caller_identity" {
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try expectEqualStrings("GetCallerIdentity", services.sts.get_caller_identity.action_name);
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}
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test "can get service and action name from request" {
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// get request object. This call doesn't have parameters
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const metadata = services.sts.get_caller_identity.Request.metaInfo();
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try expectEqualStrings("2011-06-15", metadata.service_metadata.version);
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}
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test "can filter services" {
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const filtered_services = Services(.{ .sts, .wafv2 }){};
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try expectEqualStrings("2011-06-15", filtered_services.sts.version);
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}
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