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042800cb2a8dcb70fc00a5487d578bf75e95f11f
mesh-delivery/contracts/go/seats/nodebuildgo/contract_test.go
T
jschoubben ab9b8d3471 CT5: the build seats accept step on check and on delivery, and run on check, each kind by its stream; regenerated 
A kind's subject is <stream>.<kind>: check.step, delivery.step (a recovery's steps, the
runner alone) and check.run (node-build-go). Regenerated with seatgen at mesh-catalog
b5aebbbe (GEN4); its fixture rows for the three subjects fail to compile against the
contract before.

Builds: design 47 G §415, §455, §22, §206, §86, §338.

Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
2026-11-11 11:29:13 +01:00

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// Code generated by seatgen from the seat definitions; DO NOT EDIT.
package nodebuildgo
import (
"encoding/json"
"reflect"
"regexp"
"testing"
)
// TestFixtures reads every fixture of seats/node-build-go/fixtures: each decodes into its type, a field the type does not
// know is dropped (ADR 0608 §6), and it reads back as its wire says; each subject named is the contract's.
func TestFixtures(t *testing.T) {
cases := []struct {
name, subject, given, wire string
decode func([]byte) (any, error)
subjectIs *regexp.Regexp
}{
{name: "a unit step ended passed on its node, with its counts and what it carried", subject: "mesh.seat.node-build-go.event.step-ended.ace", given: "{\"artifact\":\"nats:program\",\"carried\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\"}],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"ended\":\"2026-11-10T10:02:00Z\",\"fingerprint\":\"fp-0123\",\"id\":\"m2kx9a1b3c4d5e\",\"kept\":[{\"digest\":\"sha256:cccc\",\"level\":\"unit\",\"package\":\"./modules/nats/b\"}],\"module\":\"nats\",\"node\":\"ace\",\"outcome\":\"passed\",\"pipeline\":\"main.12.nats\",\"started\":\"2026-11-10T10:00:00Z\",\"step\":\"unit\",\"tests\":{\"unit\":14},\"v\":1}", wire: "{\"artifact\":\"nats:program\",\"carried\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\"}],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"ended\":\"2026-11-10T10:02:00Z\",\"fingerprint\":\"fp-0123\",\"id\":\"m2kx9a1b3c4d5e\",\"kept\":[{\"digest\":\"sha256:cccc\",\"level\":\"unit\",\"package\":\"./modules/nats/b\"}],\"module\":\"nats\",\"node\":\"ace\",\"outcome\":\"passed\",\"pipeline\":\"main.12.nats\",\"started\":\"2026-11-10T10:00:00Z\",\"step\":\"unit\",\"tests\":{\"unit\":14},\"v\":1}",
decode: func(b []byte) (any, error) { var v StepEndedEvent; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.event\\.step-ended\\.[^.*> ]+$")},
{name: "an integration step that could not run, naming the part not heard", subject: "mesh.seat.node-build-go.event.step-ended.g14", given: "{\"artifact\":\"nats:program\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fingerprint\":\"fp-0123\",\"id\":\"m2kx9a1b3c4d5f\",\"module\":\"nats\",\"node\":\"g14\",\"outcome\":\"could not run\",\"output-object\":\"mesh-build-go_sent-objects/m2kx9a1b3c4d5f\",\"pipeline\":\"main.12.nats\",\"said\":\"the sandbox could not fetch novox/mesh-sdk\",\"step\":\"integration\",\"v\":1}", wire: "{\"artifact\":\"nats:program\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fingerprint\":\"fp-0123\",\"id\":\"m2kx9a1b3c4d5f\",\"module\":\"nats\",\"node\":\"g14\",\"outcome\":\"could not run\",\"output-object\":\"mesh-build-go_sent-objects/m2kx9a1b3c4d5f\",\"pipeline\":\"main.12.nats\",\"said\":\"the sandbox could not fetch novox/mesh-sdk\",\"step\":\"integration\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepEndedEvent; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.event\\.step-ended\\.[^.*> ]+$")},
{name: "a running step", subject: "", given: "{\"id\":\"a1b2\",\"node\":\"ace\",\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"running\",\"tool\":\"build\",\"v\":1}", wire: "{\"id\":\"a1b2\",\"node\":\"ace\",\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"running\",\"tool\":\"build\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a paused node", subject: "", given: "{\"at\":\"2026-11-05T10:00:00Z\",\"by\":\"operator@shanks\",\"paused\":true,\"v\":1}", wire: "{\"at\":\"2026-11-05T10:00:00Z\",\"by\":\"operator@shanks\",\"paused\":true,\"v\":1}",
decode: func(b []byte) (any, error) {
var v PausesByPausedNodeValue
err := json.Unmarshal(b, &v)
return v, err
}, subjectIs: nil},
{name: "a node's capacity", subject: "", given: "{\"configured\":2,\"effective\":2,\"v\":1,\"why\":\"the configured steps fit the cores\"}", wire: "{\"configured\":2,\"effective\":2,\"v\":1,\"why\":\"the configured steps fit the cores\"}",
decode: func(b []byte) (any, error) {
var v PausesByCapacityNodeValue
err := json.Unmarshal(b, &v)
return v, err
}, subjectIs: nil},
{name: "a node's toolchain", subject: "", given: "{\"language\":\"go\",\"recipe\":\"1\",\"v\":1,\"version\":\"1.26.0\"}", wire: "{\"language\":\"go\",\"recipe\":\"1\",\"v\":1,\"version\":\"1.26.0\"}",
decode: func(b []byte) (any, error) {
var v ToolchainsByNodeLanguageValue
err := json.Unmarshal(b, &v)
return v, err
}, subjectIs: nil},
{name: "a build ask", subject: "mesh.seat.node-build-go.accept.delivery", given: "{\"asker\":\"mesh-delivery-builder\",\"build\":{\"artifacts\":[{\"artifact\":\"go\"}],\"module\":\"nats\"},\"id\":\"a1b2\",\"kind\":\"build\",\"language\":\"go\"}", wire: "{\"asker\":\"mesh-delivery-builder\",\"build\":{\"artifacts\":[{\"artifact\":\"go\"}],\"module\":\"nats\"},\"id\":\"a1b2\",\"kind\":\"build\",\"language\":\"go\"}",
decode: func(b []byte) (any, error) { var v DeliveryAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.delivery$")},
{name: "a check ask with its fetch, siblings and levels", subject: "mesh.seat.node-build-go.accept.check", given: "{\"asker\":\"mesh-delivery-checker\",\"at\":\"2026-11-05T10:00:00Z\",\"check\":{\"fetch\":{\"base\":\"89abcdef0123456789abcdef0123456789abcdef\",\"beside\":[{\"commit\":\"fedcba9876543210fedcba9876543210fedcba98\",\"repository\":\"novox/mesh-sdk\"}],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"packages\":{\"git.novox.be/novox/mesh-sdk/go\":\"fedcba9876543210fedcba9876543210fedcba98\"},\"ref\":\"refs/pull/7/head\",\"repository\":\"novox/mesh-catalog\"},\"kept\":true,\"levels\":[\"unit\",\"integration\"],\"node-names\":[\"ace\",\"g14\"],\"toolchain\":{\"language\":\"go\",\"recipe\":\"2\",\"version\":\"1.26.0\"}},\"id\":\"c3d4\",\"kind\":\"check\",\"language\":\"go\",\"v\":1}", wire: "{\"asker\":\"mesh-delivery-checker\",\"at\":\"2026-11-05T10:00:00Z\",\"check\":{\"fetch\":{\"base\":\"89abcdef0123456789abcdef0123456789abcdef\",\"beside\":[{\"commit\":\"fedcba9876543210fedcba9876543210fedcba98\",\"repository\":\"novox/mesh-sdk\"}],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"packages\":{\"git.novox.be/novox/mesh-sdk/go\":\"fedcba9876543210fedcba9876543210fedcba98\"},\"ref\":\"refs/pull/7/head\",\"repository\":\"novox/mesh-catalog\"},\"kept\":true,\"levels\":[\"unit\",\"integration\"],\"node-names\":[\"ace\",\"g14\"],\"toolchain\":{\"language\":\"go\",\"recipe\":\"2\",\"version\":\"1.26.0\"}},\"id\":\"c3d4\",\"kind\":\"check\",\"language\":\"go\",\"v\":1}",
decode: func(b []byte) (any, error) { var v CheckAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.check$")},
{name: "a finished build step with its artifacts", subject: "", given: "{\"ended\":\"2026-11-05T10:03:00Z\",\"id\":\"a1b2\",\"node\":\"ace\",\"result\":{\"artifacts\":[{\"artifact\":\"go\",\"digest\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"reference\":\"container-image-registry/nats/go@sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}],\"imports\":[\"git.novox.be/novox/mesh-sdk/go\"],\"toolchain\":{\"language\":\"go\",\"recipe\":\"1\",\"version\":\"1.26.0\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"build\",\"v\":1}", wire: "{\"ended\":\"2026-11-05T10:03:00Z\",\"id\":\"a1b2\",\"node\":\"ace\",\"result\":{\"artifacts\":[{\"artifact\":\"go\",\"digest\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"reference\":\"container-image-registry/nats/go@sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}],\"imports\":[\"git.novox.be/novox/mesh-sdk/go\"],\"toolchain\":{\"language\":\"go\",\"recipe\":\"1\",\"version\":\"1.26.0\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"build\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a finished build step that kept its artifact on its node", subject: "", given: "{\"ended\":\"2026-11-05T10:03:00Z\",\"id\":\"a1b3\",\"node\":\"ace\",\"result\":{\"artifacts\":[{\"artifact\":\"go\",\"digest\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"reference\":\"container-image-registry/nats/go@sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}],\"imports\":[\"git.novox.be/novox/mesh-sdk/go\"],\"kept\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"toolchain\":{\"language\":\"go\",\"recipe\":\"1\",\"version\":\"1.26.0\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"build\",\"v\":1}", wire: "{\"ended\":\"2026-11-05T10:03:00Z\",\"id\":\"a1b3\",\"node\":\"ace\",\"result\":{\"artifacts\":[{\"artifact\":\"go\",\"digest\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"reference\":\"container-image-registry/nats/go@sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"}],\"imports\":[\"git.novox.be/novox/mesh-sdk/go\"],\"kept\":\"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\",\"toolchain\":{\"language\":\"go\",\"recipe\":\"1\",\"version\":\"1.26.0\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"build\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a finished check step with its levels", subject: "", given: "{\"ended\":\"2026-11-05T10:06:00Z\",\"id\":\"c3d4\",\"node\":\"ace\",\"result\":{\"fetch\":{\"base\":\"abcdef0123456789abcdef0123456789abcdef01\",\"changed\":[\"a.go\",\"modules/m/main.go\"],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"merge\":\"fedcba9876543210fedcba9876543210fedcba98\",\"modules\":[\".\"],\"trees\":{\"modules/m\":{\"locks\":{\"go.sum\":\"c5fc83c01e92404452b986527d239140ccf9a48b88e0c268fbf38c2e1429e9c9\"},\"manifest\":\"ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356\",\"tree\":\"1111111111111111111111111111111111111111\"}},\"workspace\":\"mvii1iwu5414e4\"},\"levels\":[{\"digest\":{\"level\":\"unit\",\"packages\":[{\"digest\":\"sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\",\"package\":\"./modules/a\"}]},\"kept\":[{\"digest\":\"sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\",\"package\":\"./modules/a\",\"tests\":12}],\"level\":\"unit\",\"tests\":[{\"package\":\"./modules/b\",\"pass\":true}],\"unmet\":[{\"needs\":[\"docker\"],\"package\":\"./modules/c\"}]}]},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"check\",\"v\":1}", wire: "{\"ended\":\"2026-11-05T10:06:00Z\",\"id\":\"c3d4\",\"node\":\"ace\",\"result\":{\"fetch\":{\"base\":\"abcdef0123456789abcdef0123456789abcdef01\",\"changed\":[\"a.go\",\"modules/m/main.go\"],\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"merge\":\"fedcba9876543210fedcba9876543210fedcba98\",\"modules\":[\".\"],\"trees\":{\"modules/m\":{\"locks\":{\"go.sum\":\"c5fc83c01e92404452b986527d239140ccf9a48b88e0c268fbf38c2e1429e9c9\"},\"manifest\":\"ca3d163bab055381827226140568f3bef7eaac187cebd76878e0b63e9e442356\",\"tree\":\"1111111111111111111111111111111111111111\"}},\"workspace\":\"mvii1iwu5414e4\"},\"levels\":[{\"digest\":{\"level\":\"unit\",\"packages\":[{\"digest\":\"sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\",\"package\":\"./modules/a\"}]},\"kept\":[{\"digest\":\"sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\",\"package\":\"./modules/a\",\"tests\":12}],\"level\":\"unit\",\"tests\":[{\"package\":\"./modules/b\",\"pass\":true}],\"unmet\":[{\"needs\":[\"docker\"],\"package\":\"./modules/c\"}]}]},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"check\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a declined step", subject: "", given: "{\"id\":\"c3d5\",\"node\":\"ace\",\"result\":{\"declined\":true,\"lacks\":[\"docker\"],\"needs\":[\"docker\"]},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"refused\",\"tool\":\"check\",\"v\":1}", wire: "{\"id\":\"c3d5\",\"node\":\"ace\",\"result\":{\"declined\":true,\"lacks\":[\"docker\"],\"needs\":[\"docker\"]},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"refused\",\"tool\":\"check\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a finished check step whose head does not merge", subject: "", given: "{\"ended\":\"2026-11-05T10:01:00Z\",\"id\":\"c3d5\",\"node\":\"ace\",\"result\":{\"fetch\":{\"base\":\"abcdef0123456789abcdef0123456789abcdef01\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"conflicts\":[\"a.go\",\"sub/b.go\"],\"modules\":[\".\"],\"workspace\":\"mvii1iwz5050eb\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"check\",\"v\":1}", wire: "{\"ended\":\"2026-11-05T10:01:00Z\",\"id\":\"c3d5\",\"node\":\"ace\",\"result\":{\"fetch\":{\"base\":\"abcdef0123456789abcdef0123456789abcdef01\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"conflicts\":[\"a.go\",\"sub/b.go\"],\"modules\":[\".\"],\"workspace\":\"mvii1iwz5050eb\"}},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"passed\",\"tool\":\"check\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a run ask of the checking program over two heads", subject: "mesh.seat.node-build-go.accept.check", given: "{\"asker\":\"mesh-delivery-checker\",\"at\":\"2026-11-05T10:00:00Z\",\"id\":\"r5e6\",\"kind\":\"check\",\"language\":\"go\",\"run\":{\"args\":[\"-verdict\"],\"heads\":[{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-delivery\"},{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-sdk\"}],\"input\":{\"digest\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"size\":7,\"verb\":\"seat:mesh-delivery-checker.input\"},\"program\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"dir\":\"modules/mesh-delivery-checker\",\"package\":\"./cmd/mesh-checking-program\",\"repository\":\"novox/mesh-delivery\"},\"reader\":\"checking program of mesh-delivery head\"},\"v\":1}", wire: "{\"asker\":\"mesh-delivery-checker\",\"at\":\"2026-11-05T10:00:00Z\",\"id\":\"r5e6\",\"kind\":\"check\",\"language\":\"go\",\"run\":{\"args\":[\"-verdict\"],\"heads\":[{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-delivery\"},{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-sdk\"}],\"input\":{\"digest\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"size\":7,\"verb\":\"seat:mesh-delivery-checker.input\"},\"program\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"dir\":\"modules/mesh-delivery-checker\",\"package\":\"./cmd/mesh-checking-program\",\"repository\":\"novox/mesh-delivery\"},\"reader\":\"checking program of mesh-delivery head\"},\"v\":1}",
decode: func(b []byte) (any, error) { var v CheckAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.check$")},
{name: "a finished run step whose program exited non-zero", subject: "", given: "{\"ended\":\"2026-11-05T10:01:00Z\",\"id\":\"r5e6\",\"node\":\"ace\",\"result\":{\"built\":true,\"exit\":2,\"key\":\"program-0123456789abcdef\",\"said\":\"the facts name no head\"},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"failed\",\"tool\":\"check\",\"v\":1}", wire: "{\"ended\":\"2026-11-05T10:01:00Z\",\"id\":\"r5e6\",\"node\":\"ace\",\"result\":{\"built\":true,\"exit\":2,\"key\":\"program-0123456789abcdef\",\"said\":\"the facts name no head\"},\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"failed\",\"tool\":\"check\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a step ended on a transport fault, given again by the bus", subject: "", given: "{\"again-at\":\"2026-11-05T10:01:30Z\",\"ended\":\"2026-11-05T10:00:30Z\",\"id\":\"a1b2\",\"node\":\"ace\",\"passing\":true,\"reason\":\"fetching the commit: kex_exchange_identification: read: Connection reset by peer\",\"run\":1,\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"again\",\"tool\":\"build\",\"v\":1}", wire: "{\"again-at\":\"2026-11-05T10:01:30Z\",\"ended\":\"2026-11-05T10:00:30Z\",\"id\":\"a1b2\",\"node\":\"ace\",\"passing\":true,\"reason\":\"fetching the commit: kex_exchange_identification: read: Connection reset by peer\",\"run\":1,\"started\":\"2026-11-05T10:00:00Z\",\"state\":\"again\",\"tool\":\"build\",\"v\":1}",
decode: func(b []byte) (any, error) { var v StepsByNodeIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "an ask dropped by the caller that no longer waits", subject: "", given: "{\"at\":\"2026-11-05T10:00:00Z\",\"by\":\"mesh-delivery-builder\",\"v\":1,\"why\":\"a newer fingerprint supersedes it\"}", wire: "{\"at\":\"2026-11-05T10:00:00Z\",\"by\":\"mesh-delivery-builder\",\"v\":1,\"why\":\"a newer fingerprint supersedes it\"}",
decode: func(b []byte) (any, error) { var v PausesByDroppedIDValue; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "a step ask of the runner with the names and kept results", subject: "mesh.seat.node-build-go.accept.check.step", given: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-10T10:00:00Z\",\"id\":\"m2kx9a1b3c4d5e\",\"kind\":\"step\",\"language\":\"go\",\"step\":{\"artifact\":\"nats:program\",\"branch\":\"main\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"kept\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\",\"pipeline\":\"main.11.nats\"}],\"module\":\"nats\",\"names\":{\"branches\":[\"main\"],\"modules\":[\"nats\",\"mesh-sdk\"],\"repositories\":[\"novox/mesh-catalog\",\"novox/mesh-sdk\"]},\"pipeline\":\"main.12.nats\",\"revision\":12,\"step\":\"unit\"},\"v\":1}", wire: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-10T10:00:00Z\",\"id\":\"m2kx9a1b3c4d5e\",\"kind\":\"step\",\"language\":\"go\",\"step\":{\"artifact\":\"nats:program\",\"branch\":\"main\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"kept\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\",\"pipeline\":\"main.11.nats\"}],\"module\":\"nats\",\"names\":{\"branches\":[\"main\"],\"modules\":[\"nats\",\"mesh-sdk\"],\"repositories\":[\"novox/mesh-catalog\",\"novox/mesh-sdk\"]},\"pipeline\":\"main.12.nats\",\"revision\":12,\"step\":\"unit\"},\"v\":1}",
decode: func(b []byte) (any, error) { var v CheckStepAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.check\\.step$")},
{name: "a recovery's step ask of the runner, on the stream delivery", subject: "mesh.seat.node-build-go.accept.delivery.step", given: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-10T10:00:00Z\",\"id\":\"m2kx9a1b3c4d5e\",\"kind\":\"step\",\"language\":\"go\",\"step\":{\"artifact\":\"nats:program\",\"branch\":\"main\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"kept\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\",\"pipeline\":\"main.11.nats\"}],\"module\":\"nats\",\"names\":{\"branches\":[\"main\"],\"modules\":[\"nats\",\"mesh-sdk\"],\"repositories\":[\"novox/mesh-catalog\",\"novox/mesh-sdk\"]},\"pipeline\":\"main.12.nats\",\"revision\":12,\"step\":\"unit\"},\"v\":1}", wire: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-10T10:00:00Z\",\"id\":\"m2kx9a1b3c4d5e\",\"kind\":\"step\",\"language\":\"go\",\"step\":{\"artifact\":\"nats:program\",\"branch\":\"main\",\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"kept\":[{\"digest\":\"sha256:bbbb\",\"level\":\"unit\",\"package\":\"./modules/nats/a\",\"pipeline\":\"main.11.nats\"}],\"module\":\"nats\",\"names\":{\"branches\":[\"main\"],\"modules\":[\"nats\",\"mesh-sdk\"],\"repositories\":[\"novox/mesh-catalog\",\"novox/mesh-sdk\"]},\"pipeline\":\"main.12.nats\",\"revision\":12,\"step\":\"unit\"},\"v\":1}",
decode: func(b []byte) (any, error) { var v DeliveryStepAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.delivery\\.step$")},
{name: "a run ask of the runner, the program built from the change and run over its heads", subject: "mesh.seat.node-build-go.accept.check.run", given: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-05T10:00:00Z\",\"id\":\"r5e6\",\"kind\":\"run\",\"language\":\"go\",\"run\":{\"args\":[\"-verdict\"],\"heads\":[{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-delivery\"},{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-sdk\"}],\"input\":{\"digest\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"size\":7,\"verb\":\"seat:mesh-delivery-checker.input\"},\"program\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"dir\":\"modules/mesh-delivery-checker\",\"package\":\"./cmd/mesh-checking-program\",\"repository\":\"novox/mesh-delivery\"},\"reader\":\"checking program of mesh-delivery head\"},\"v\":1}", wire: "{\"asker\":\"mesh-delivery-pipeline\",\"at\":\"2026-11-05T10:00:00Z\",\"id\":\"r5e6\",\"kind\":\"run\",\"language\":\"go\",\"run\":{\"args\":[\"-verdict\"],\"heads\":[{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-delivery\"},{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-sdk\"}],\"input\":{\"digest\":\"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855\",\"size\":7,\"verb\":\"seat:mesh-delivery-checker.input\"},\"program\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"dir\":\"modules/mesh-delivery-checker\",\"package\":\"./cmd/mesh-checking-program\",\"repository\":\"novox/mesh-delivery\"},\"reader\":\"checking program of mesh-delivery head\"},\"v\":1}",
decode: func(b []byte) (any, error) { var v CheckRunAccept; err := json.Unmarshal(b, &v); return v, err }, subjectIs: regexp.MustCompile("^mesh\\.seat\\.node-build-go\\.accept\\.check\\.run$")},
{name: "an artifact's detected steps", subject: "", given: "{\"at\":\"2026-11-10T10:00:00Z\",\"fingerprint\":\"fp-0123\",\"steps\":[{\"step\":\"lint\"},{\"packages\":[\"./modules/nats/a\"],\"step\":\"unit\"}],\"v\":1}", wire: "{\"at\":\"2026-11-10T10:00:00Z\",\"fingerprint\":\"fp-0123\",\"steps\":[{\"step\":\"lint\"},{\"packages\":[\"./modules/nats/a\"],\"step\":\"unit\"}],\"v\":1}",
decode: func(b []byte) (any, error) {
var v DetectedStepsByModuleArtifactValue
err := json.Unmarshal(b, &v)
return v, err
}, subjectIs: nil},
{name: "drop names the ask and why", subject: "", given: "{\"by\":\"mesh-delivery-builder\",\"id\":\"a1b2\",\"why\":\"a newer fingerprint supersedes it\"}", wire: "{\"by\":\"mesh-delivery-builder\",\"id\":\"a1b2\",\"why\":\"a newer fingerprint supersedes it\"}",
decode: func(b []byte) (any, error) { var v DropInput; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact asks", subject: "", given: "{\"digest\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\"}", wire: "{\"digest\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactInput; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact answers where the bytes are", subject: "", given: "{\"digest\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"object\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"size\":18874368,\"store\":\"mesh-build-go-kept\"}", wire: "{\"digest\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"object\":\"dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd\",\"size\":18874368,\"store\":\"mesh-build-go-kept\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact refuses a module that is claims no oci-artifact-registry", subject: "", given: "{\"fp\":\"src2:aaaaaaaa\",\"module\":\"mesh-delivery-gate\",\"refused\":\"claims no oci-artifact-registry\",\"words\":\"mesh-delivery-gate claims no oci-artifact-registry: its build is fetched from the store\"}", wire: "{\"fp\":\"src2:aaaaaaaa\",\"module\":\"mesh-delivery-gate\",\"refused\":\"claims no oci-artifact-registry\",\"words\":\"mesh-delivery-gate claims no oci-artifact-registry: its build is fetched from the store\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact refuses a build it no longer keeps", subject: "", given: "{\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"refused\":\"not kept\",\"words\":\"this node keeps no build of artifact-store at src2:1480985e\"}", wire: "{\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"refused\":\"not kept\",\"words\":\"this node keeps no build of artifact-store at src2:1480985e\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact refuses a build kept under another digest", subject: "", given: "{\"digest\":\"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"refused\":\"digest differs\",\"words\":\"artifact-store at src2:1480985e is kept as eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\"}", wire: "{\"digest\":\"eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\",\"refused\":\"digest differs\",\"words\":\"artifact-store at src2:1480985e is kept as eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "kept-artifact answers an error, never none", subject: "", given: "{\"error\":\"the kept builds could not be read\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\"}", wire: "{\"error\":\"the kept builds could not be read\",\"fp\":\"src2:1480985e\",\"module\":\"artifact-store\"}",
decode: func(b []byte) (any, error) { var v KeptArtifactAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "steps asks an artifact's pipeline steps at a commit", subject: "", given: "{\"artifact\":\"nats:program\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"module\":\"nats\"}", wire: "{\"artifact\":\"nats:program\",\"fetch\":{\"commit\":\"0123456789abcdef0123456789abcdef01234567\",\"repository\":\"novox/mesh-catalog\"},\"fingerprint\":\"fp-0123\",\"module\":\"nats\"}",
decode: func(b []byte) (any, error) { var v StepsInput; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
{name: "steps answers lint and unit tests", subject: "", given: "{\"artifact\":\"nats:program\",\"fingerprint\":\"fp-0123\",\"steps\":[{\"step\":\"lint\"},{\"packages\":[\"./modules/nats\"],\"step\":\"unit\"}]}", wire: "{\"artifact\":\"nats:program\",\"fingerprint\":\"fp-0123\",\"steps\":[{\"step\":\"lint\"},{\"packages\":[\"./modules/nats\"],\"step\":\"unit\"}]}",
decode: func(b []byte) (any, error) { var v StepsAnswer; err := json.Unmarshal(b, &v); return v, err }, subjectIs: nil},
}
for _, c := range cases {
v, err := c.decode([]byte(c.given))
if err != nil {
t.Errorf("%s: does not decode: %v", c.name, err)
continue
}
back, err := json.Marshal(v)
if err != nil {
t.Errorf("%s: does not encode: %v", c.name, err)
continue
}
var got, want any
if err := json.Unmarshal(back, &got); err != nil {
t.Fatal(err)
}
if err := json.Unmarshal([]byte(c.wire), &want); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(got, want) {
t.Errorf("%s: reads back as %s, want %s", c.name, back, c.wire)
}
if c.subjectIs != nil && !c.subjectIs.MatchString(c.subject) {
t.Errorf("%s: subject %q is not the contract's %s", c.name, c.subject, c.subjectIs)
}
}
}
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