jobqueuetest: Add new tests to TestJobQueue

This adds tests for retrieving all job, all root jobs, and removing jobs
and unused dependencies. These tests are run against the fsjobqueue for
unit testing, and against dbjobqueue for integration testing.

Resolves: RHEL-60120

internal/jobqueue/jobqueuetest/jobqueuetest.go

@@ -6,12 +6,14 @@ package jobqueuetest
 import (
 	"context"
 	"encoding/json"
+	"sort"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/google/uuid"
 	"github.com/osbuild/osbuild-composer/pkg/jobqueue"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
 
@@ -45,6 +47,9 @@ func TestJobQueue(t *testing.T, makeJobQueue MakeJobQueue) {
 	t.Run("multiple-channels", wrap(testMultipleChannels))
 	t.Run("100-dequeuers", wrap(test100dequeuers))
 	t.Run("workers", wrap(testWorkers))
+	t.Run("all-jobs", wrap(testAllJobs))
+	t.Run("all-root-jobs", wrap(testAllRootJobs))
+	t.Run("remove-jobs", wrap(testRemoveJobs))
 }
 
 func pushTestJob(t *testing.T, q jobqueue.JobQueue, jobType string, args interface{}, dependencies []uuid.UUID, channel string) uuid.UUID {
@@ -741,3 +746,103 @@ func testWorkers(t *testing.T, q jobqueue.JobQueue) {
 	err = q.DeleteWorker(w2)
 	require.NoError(t, err)
 }
+
+// sortUUIDs is a helper to sort a list of UUIDs
+func sortUUIDs(entries []uuid.UUID) {
+	sort.Slice(entries, func(i, j int) bool {
+		return entries[i].String() < entries[j].String()
+	})
+}
+
+// Test listing all root jobs
+func testAllRootJobs(t *testing.T, q jobqueue.JobQueue) {
+	var rootJobs []uuid.UUID
+
+	// root with no dependencies
+	jidRoot1 := pushTestJob(t, q, "oneRoot", nil, nil, "OneRootJob")
+	rootJobs = append(rootJobs, jidRoot1)
+
+	// root with 2 dependencies
+	jid1 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+	jid2 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+	jidRoot2 := pushTestJob(t, q, "twoDeps", nil, []uuid.UUID{jid1, jid2}, "TwoDepJobs")
+	rootJobs = append(rootJobs, jidRoot2)
+
+	// root with 2 dependencies, one shared with the previous root
+	jid3 := pushTestJob(t, q, "sharedDeps", nil, nil, "SharedDepJobs")
+	jidRoot3 := pushTestJob(t, q, "sharedDeps", nil, []uuid.UUID{jid1, jid3}, "SharedDepJobs")
+	rootJobs = append(rootJobs, jidRoot3)
+
+	sortUUIDs(rootJobs)
+	roots, err := q.AllRootJobIDs()
+	require.Nil(t, err)
+	require.Greater(t, len(roots), 0)
+	sortUUIDs(roots)
+	require.Equal(t, rootJobs, roots)
+}
+
+// Test listing all jobs
+func testAllJobs(t *testing.T, q jobqueue.JobQueue) {
+	var allJobs []uuid.UUID
+
+	// root with no dependencies
+	jidRoot1 := pushTestJob(t, q, "oneRoot", nil, nil, "OneRootJob")
+	allJobs = append(allJobs, jidRoot1)
+
+	// root with 2 dependencies
+	jid1 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+	allJobs = append(allJobs, jid1)
+	jid2 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+	allJobs = append(allJobs, jid2)
+	jidRoot2 := pushTestJob(t, q, "twoDeps", nil, []uuid.UUID{jid1, jid2}, "TwoDepJobs")
+	allJobs = append(allJobs, jidRoot2)
+
+	sortUUIDs(allJobs)
+	jobs, err := q.AllJobIDs()
+	require.Nil(t, err)
+	require.Greater(t, len(jobs), 0)
+	sortUUIDs(jobs)
+	require.Equal(t, allJobs, jobs)
+}
+
+// Test removing jobs
+func testRemoveJobs(t *testing.T, q jobqueue.JobQueue) {
+	// root with no dependencies
+	t.Run("no dependencies", func(t *testing.T) {
+		jidRoot1 := pushTestJob(t, q, "oneRoot", nil, nil, "OneRootJob")
+		err := q.RemoveJob(jidRoot1)
+		require.Nil(t, err)
+		jobs, err := q.AllJobIDs()
+		require.Nil(t, err)
+		require.Equal(t, 0, len(jobs))
+	})
+
+	// root with 2 dependencies
+	t.Run("two dependencies", func(t *testing.T) {
+		jid1 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+		jid2 := pushTestJob(t, q, "twoDeps", nil, nil, "TwoDepJobs")
+		jidRoot2 := pushTestJob(t, q, "twoDeps", nil, []uuid.UUID{jid1, jid2}, "TwoDepJobs")
+
+		// root with 2 dependencies, one shared with the previous root
+		jid3 := pushTestJob(t, q, "sharedDeps", nil, nil, "SharedDepJobs")
+		jidRoot3 := pushTestJob(t, q, "sharedDeps", nil, []uuid.UUID{jid1, jid3}, "SharedDepJobs")
+
+		// This should only remove jidRoot2 and jid2, leaving jidRoot3, jid1, jid3
+		err := q.RemoveJob(jidRoot2)
+		require.Nil(t, err)
+		jobs, err := q.AllJobIDs()
+		require.Nil(t, err)
+		require.Equal(t, 3, len(jobs))
+		sortUUIDs(jobs)
+		expected := []uuid.UUID{jidRoot3, jid1, jid3}
+		sortUUIDs(expected)
+		assert.Equal(t, expected, jobs)
+
+		// This should remove the rest
+		err = q.RemoveJob(jidRoot3)
+		require.Nil(t, err)
+		jobs, err = q.AllJobIDs()
+		require.Nil(t, err)
+		require.Equal(t, 0, len(jobs))
+	})
+}