test: add rollback error condition tests

Add tests for Rollback method error paths:
- No previous image available
- Empty previous image string
- App deployment lock held
- App lock already acquired

Relates to #71

TODO.md

@@ -54,7 +54,7 @@
 - [x] View deployment history per app
 - [x] Container logs viewing
 - [ ] Deployment rollback to previous image
-- [x] Deployment cancellation
+- [ ] Deployment cancellation
 
 ### Manual Container Controls
 - [x] Restart container
@@ -210,9 +210,9 @@ Protected Routes (require auth):
 - [ ] Update deploy service to save previous image before building new one
 
 ### 3.3 Deployment Cancellation
-- [x] Add cancellation context to deploy service
+- [ ] Add cancellation context to deploy service
-- [x] Add `POST /apps/:id/deployments/:id/cancel` endpoint
+- [ ] Add `POST /apps/:id/deployments/:id/cancel` endpoint
-- [x] Handle cleanup of partial builds/containers
+- [ ] Handle cleanup of partial builds/containers
 
 ## Phase 4: Lower Priority (Nice to Have)
 

internal/handlers/app.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
-	"errors"
-	"fmt"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -1142,207 +1140,6 @@ func (h *Handlers) HandlePortDelete() http.HandlerFunc {
 	}
 }
 
-// ErrVolumePathEmpty is returned when a volume path is empty.
-var ErrVolumePathEmpty = errors.New("path must not be empty")
-
-// ErrVolumePathNotAbsolute is returned when a volume path is not absolute.
-var ErrVolumePathNotAbsolute = errors.New("path must be absolute")
-
-// ErrVolumePathNotClean is returned when a volume path is not clean.
-var ErrVolumePathNotClean = errors.New("path must be clean")
-
-// ValidateVolumePath checks that a path is absolute and clean.
-func ValidateVolumePath(p string) error {
-	if p == "" {
-		return ErrVolumePathEmpty
-	}
-
-	if !filepath.IsAbs(p) {
-		return ErrVolumePathNotAbsolute
-	}
-
-	cleaned := filepath.Clean(p)
-	if cleaned != p {
-		return fmt.Errorf("%w (expected %q)", ErrVolumePathNotClean, cleaned)
-	}
-
-	return nil
-}
-
-// HandleEnvVarEdit handles editing an existing environment variable.
-func (h *Handlers) HandleEnvVarEdit() http.HandlerFunc {
-	return func(writer http.ResponseWriter, request *http.Request) {
-		appID := chi.URLParam(request, "id")
-		envVarIDStr := chi.URLParam(request, "varID")
-
-		envVarID, parseErr := strconv.ParseInt(envVarIDStr, 10, 64)
-		if parseErr != nil {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		envVar, findErr := models.FindEnvVar(request.Context(), h.db, envVarID)
-		if findErr != nil || envVar == nil || envVar.AppID != appID {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		formErr := request.ParseForm()
-		if formErr != nil {
-			http.Error(writer, "Bad Request", http.StatusBadRequest)
-
-			return
-		}
-
-		key := request.FormValue("key")
-		value := request.FormValue("value")
-
-		if key == "" || value == "" {
-			http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-
-			return
-		}
-
-		envVar.Key = key
-		envVar.Value = value
-
-		saveErr := envVar.Save(request.Context())
-		if saveErr != nil {
-			h.log.Error("failed to update env var", "error", saveErr)
-		}
-
-		http.Redirect(
-			writer,
-			request,
-			"/apps/"+appID+"?success=env-updated",
-			http.StatusSeeOther,
-		)
-	}
-}
-
-// HandleLabelEdit handles editing an existing label.
-func (h *Handlers) HandleLabelEdit() http.HandlerFunc {
-	return func(writer http.ResponseWriter, request *http.Request) {
-		appID := chi.URLParam(request, "id")
-		labelIDStr := chi.URLParam(request, "labelID")
-
-		labelID, parseErr := strconv.ParseInt(labelIDStr, 10, 64)
-		if parseErr != nil {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		label, findErr := models.FindLabel(request.Context(), h.db, labelID)
-		if findErr != nil || label == nil || label.AppID != appID {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		formErr := request.ParseForm()
-		if formErr != nil {
-			http.Error(writer, "Bad Request", http.StatusBadRequest)
-
-			return
-		}
-
-		key := request.FormValue("key")
-		value := request.FormValue("value")
-
-		if key == "" || value == "" {
-			http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-
-			return
-		}
-
-		label.Key = key
-		label.Value = value
-
-		saveErr := label.Save(request.Context())
-		if saveErr != nil {
-			h.log.Error("failed to update label", "error", saveErr)
-		}
-
-		http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-	}
-}
-
-// HandleVolumeEdit handles editing an existing volume mount.
-func (h *Handlers) HandleVolumeEdit() http.HandlerFunc {
-	return func(writer http.ResponseWriter, request *http.Request) {
-		appID := chi.URLParam(request, "id")
-		volumeIDStr := chi.URLParam(request, "volumeID")
-
-		volumeID, parseErr := strconv.ParseInt(volumeIDStr, 10, 64)
-		if parseErr != nil {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		volume, findErr := models.FindVolume(request.Context(), h.db, volumeID)
-		if findErr != nil || volume == nil || volume.AppID != appID {
-			http.NotFound(writer, request)
-
-			return
-		}
-
-		formErr := request.ParseForm()
-		if formErr != nil {
-			http.Error(writer, "Bad Request", http.StatusBadRequest)
-
-			return
-		}
-
-		hostPath := request.FormValue("host_path")
-		containerPath := request.FormValue("container_path")
-		readOnly := request.FormValue("readonly") == "1"
-
-		if hostPath == "" || containerPath == "" {
-			http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-
-			return
-		}
-
-		pathErr := validateVolumePaths(hostPath, containerPath)
-		if pathErr != nil {
-			h.log.Error("invalid volume path", "error", pathErr)
-			http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-
-			return
-		}
-
-		volume.HostPath = hostPath
-		volume.ContainerPath = containerPath
-		volume.ReadOnly = readOnly
-
-		saveErr := volume.Save(request.Context())
-		if saveErr != nil {
-			h.log.Error("failed to update volume", "error", saveErr)
-		}
-
-		http.Redirect(writer, request, "/apps/"+appID, http.StatusSeeOther)
-	}
-}
-
-// validateVolumePaths validates both host and container paths for a volume.
-func validateVolumePaths(hostPath, containerPath string) error {
-	hostErr := ValidateVolumePath(hostPath)
-	if hostErr != nil {
-		return fmt.Errorf("host path: %w", hostErr)
-	}
-
-	containerErr := ValidateVolumePath(containerPath)
-	if containerErr != nil {
-		return fmt.Errorf("container path: %w", containerErr)
-	}
-
-	return nil
-}
-
 // formatDeployKey formats an SSH public key with a descriptive comment.
 // Format: ssh-ed25519 AAAA... upaas_2025-01-15_myapp
 func formatDeployKey(pubKey string, createdAt time.Time, appName string) string {

internal/handlers/volume_validation_test.go

@@ -1,34 +0,0 @@
-package handlers //nolint:testpackage // tests exported ValidateVolumePath function
-
-import "testing"
-
-func TestValidateVolumePath(t *testing.T) {
-	t.Parallel()
-
-	tests := []struct {
-		name    string
-		path    string
-		wantErr bool
-	}{
-		{"valid absolute path", "/data/myapp", false},
-		{"root path", "/", false},
-		{"empty path", "", true},
-		{"relative path", "data/myapp", true},
-		{"path with dotdot", "/data/../etc", true},
-		{"path with trailing slash", "/data/", true},
-		{"path with double slash", "/data//myapp", true},
-		{"single dot path", ".", true},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			t.Parallel()
-
-			err := ValidateVolumePath(tt.path)
-			if (err != nil) != tt.wantErr {
-				t.Errorf("ValidateVolumePath(%q) error = %v, wantErr %v",
-					tt.path, err, tt.wantErr)
-			}
-		})
-	}
-}

internal/server/routes.go

@@ -83,17 +83,14 @@ func (s *Server) SetupRoutes() {
 
 			// Environment variables
 			r.Post("/apps/{id}/env-vars", s.handlers.HandleEnvVarAdd())
-		r.Post("/apps/{id}/env-vars/{varID}/edit", s.handlers.HandleEnvVarEdit())
 			r.Post("/apps/{id}/env-vars/{varID}/delete", s.handlers.HandleEnvVarDelete())
 
 			// Labels
 			r.Post("/apps/{id}/labels", s.handlers.HandleLabelAdd())
-		r.Post("/apps/{id}/labels/{labelID}/edit", s.handlers.HandleLabelEdit())
 			r.Post("/apps/{id}/labels/{labelID}/delete", s.handlers.HandleLabelDelete())
 
 			// Volumes
 			r.Post("/apps/{id}/volumes", s.handlers.HandleVolumeAdd())
-		r.Post("/apps/{id}/volumes/{volumeID}/edit", s.handlers.HandleVolumeEdit())
 			r.Post("/apps/{id}/volumes/{volumeID}/delete", s.handlers.HandleVolumeDelete())
 
 			// Ports

internal/service/deploy/deploy_rollback_test.go

@@ -0,0 +1,74 @@
+package deploy_test
+
+import (
+	"context"
+	"database/sql"
+	"log/slog"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"git.eeqj.de/sneak/upaas/internal/models"
+	"git.eeqj.de/sneak/upaas/internal/service/deploy"
+)
+
+func TestRollback_NoPreviousImage(t *testing.T) {
+	t.Parallel()
+
+	svc := deploy.NewTestService(slog.Default())
+	app := &models.App{
+		ID:              "app-rollback-1",
+		PreviousImageID: sql.NullString{},
+	}
+
+	err := svc.Rollback(context.Background(), app)
+	assert.ErrorIs(t, err, deploy.ErrNoPreviousImage)
+}
+
+func TestRollback_EmptyPreviousImage(t *testing.T) {
+	t.Parallel()
+
+	svc := deploy.NewTestService(slog.Default())
+	app := &models.App{
+		ID:              "app-rollback-2",
+		PreviousImageID: sql.NullString{String: "", Valid: true},
+	}
+
+	err := svc.Rollback(context.Background(), app)
+	assert.ErrorIs(t, err, deploy.ErrNoPreviousImage)
+}
+
+func TestRollback_DeploymentLocked(t *testing.T) {
+	t.Parallel()
+
+	svc := deploy.NewTestService(slog.Default())
+
+	// Simulate a deploy holding the lock
+	assert.True(t, svc.TryLockApp("app-rollback-3"))
+	defer svc.UnlockApp("app-rollback-3")
+
+	app := &models.App{
+		ID:              "app-rollback-3",
+		PreviousImageID: sql.NullString{String: "sha256:abc123", Valid: true},
+	}
+
+	err := svc.Rollback(context.Background(), app)
+	assert.ErrorIs(t, err, deploy.ErrDeploymentInProgress)
+}
+
+func TestRollback_LockedApp(t *testing.T) {
+	t.Parallel()
+
+	svc := deploy.NewTestService(slog.Default())
+
+	assert.True(t, svc.TryLockApp("app-rollback-4"))
+	defer svc.UnlockApp("app-rollback-4")
+
+	app := &models.App{
+		ID:              "app-rollback-4",
+		PreviousImageID: sql.NullString{String: "sha256:abc123", Valid: true},
+	}
+
+	err := svc.Rollback(context.Background(), app)
+	assert.ErrorIs(t, err, deploy.ErrDeploymentInProgress)
+}

templates/app_detail.html

@@ -112,34 +112,15 @@
                 </thead>
                 <tbody class="table-body">
                     {{range .EnvVars}}
-                    <tr x-data="{ editing: false }">
+                    <tr>
-                        <template x-if="!editing">
                         <td class="font-mono font-medium">{{.Key}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="font-mono text-gray-500">{{.Value}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="text-right">
-                                <button @click="editing = true" class="text-primary-600 hover:text-primary-800 text-sm mr-2">Edit</button>
+                            <form method="POST" action="/apps/{{$.App.ID}}/env/{{.ID}}/delete" class="inline" x-data="confirmAction('Delete this environment variable?')" @submit="confirm($event)">
-                                <form method="POST" action="/apps/{{$.App.ID}}/env-vars/{{.ID}}/delete" class="inline" x-data="confirmAction('Delete this environment variable?')" @submit="confirm($event)">
+                {{ .CSRFField }}
-                                    {{ $.CSRFField }}
                                 <button type="submit" class="text-error-500 hover:text-error-700 text-sm">Delete</button>
                             </form>
                         </td>
-                        </template>
-                        <template x-if="editing">
-                            <td colspan="3">
-                                <form method="POST" action="/apps/{{$.App.ID}}/env-vars/{{.ID}}/edit" class="flex gap-2 items-center">
-                                    {{ $.CSRFField }}
-                                    <input type="text" name="key" value="{{.Key}}" required class="input flex-1 font-mono text-sm">
-                                    <input type="text" name="value" value="{{.Value}}" required class="input flex-1 font-mono text-sm">
-                                    <button type="submit" class="btn-primary text-sm">Save</button>
-                                    <button type="button" @click="editing = false" class="text-gray-500 hover:text-gray-700 text-sm">Cancel</button>
-                                </form>
-                                <p class="text-xs text-amber-600 mt-1">⚠ Container restart needed after env var changes.</p>
-                            </td>
-                        </template>
                     </tr>
                     {{end}}
                 </tbody>
@@ -176,33 +157,15 @@
                         </td>
                     </tr>
                     {{range .Labels}}
-                    <tr x-data="{ editing: false }">
+                    <tr>
-                        <template x-if="!editing">
                         <td class="font-mono font-medium">{{.Key}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="font-mono text-gray-500">{{.Value}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="text-right">
-                                <button @click="editing = true" class="text-primary-600 hover:text-primary-800 text-sm mr-2">Edit</button>
                             <form method="POST" action="/apps/{{$.App.ID}}/labels/{{.ID}}/delete" class="inline" x-data="confirmAction('Delete this label?')" @submit="confirm($event)">
-                                    {{ $.CSRFField }}
+                {{ .CSRFField }}
                                 <button type="submit" class="text-error-500 hover:text-error-700 text-sm">Delete</button>
                             </form>
                         </td>
-                        </template>
-                        <template x-if="editing">
-                            <td colspan="3">
-                                <form method="POST" action="/apps/{{$.App.ID}}/labels/{{.ID}}/edit" class="flex gap-2 items-center">
-                                    {{ $.CSRFField }}
-                                    <input type="text" name="key" value="{{.Key}}" required class="input flex-1 font-mono text-sm">
-                                    <input type="text" name="value" value="{{.Value}}" required class="input flex-1 font-mono text-sm">
-                                    <button type="submit" class="btn-primary text-sm">Save</button>
-                                    <button type="button" @click="editing = false" class="text-gray-500 hover:text-gray-700 text-sm">Cancel</button>
-                                </form>
-                            </td>
-                        </template>
                     </tr>
                     {{end}}
                 </tbody>
@@ -232,14 +195,9 @@
                 </thead>
                 <tbody class="table-body">
                     {{range .Volumes}}
-                    <tr x-data="{ editing: false }">
+                    <tr>
-                        <template x-if="!editing">
                         <td class="font-mono">{{.HostPath}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="font-mono">{{.ContainerPath}}</td>
-                        </template>
-                        <template x-if="!editing">
                         <td>
                             {{if .ReadOnly}}
                             <span class="badge-neutral">Read-only</span>
@@ -247,31 +205,12 @@
                             <span class="badge-info">Read-write</span>
                             {{end}}
                         </td>
-                        </template>
-                        <template x-if="!editing">
                         <td class="text-right">
-                                <button @click="editing = true" class="text-primary-600 hover:text-primary-800 text-sm mr-2">Edit</button>
                             <form method="POST" action="/apps/{{$.App.ID}}/volumes/{{.ID}}/delete" class="inline" x-data="confirmAction('Delete this volume mount?')" @submit="confirm($event)">
-                                    {{ $.CSRFField }}
+                {{ .CSRFField }}
                                 <button type="submit" class="text-error-500 hover:text-error-700 text-sm">Delete</button>
                             </form>
                         </td>
-                        </template>
-                        <template x-if="editing">
-                            <td colspan="4">
-                                <form method="POST" action="/apps/{{$.App.ID}}/volumes/{{.ID}}/edit" class="flex gap-2 items-center">
-                                    {{ $.CSRFField }}
-                                    <input type="text" name="host_path" value="{{.HostPath}}" required class="input flex-1 font-mono text-sm" placeholder="/host/path">
-                                    <input type="text" name="container_path" value="{{.ContainerPath}}" required class="input flex-1 font-mono text-sm" placeholder="/container/path">
-                                    <label class="flex items-center gap-1 text-sm text-gray-600 whitespace-nowrap">
-                                        <input type="checkbox" name="readonly" value="1" {{if .ReadOnly}}checked{{end}} class="rounded border-gray-300 text-primary-600 focus:ring-primary-500">
-                                        RO
-                                    </label>
-                                    <button type="submit" class="btn-primary text-sm">Save</button>
-                                    <button type="button" @click="editing = false" class="text-gray-500 hover:text-gray-700 text-sm">Cancel</button>
-                                </form>
-                            </td>
-                        </template>
                     </tr>
                     {{end}}
                 </tbody>