suite: test init containers
templates:
  - deployment.yaml
tests:
  - it: should not have init containers by default
    asserts:
      - isNull:
          path: spec.template.spec.initContainers

  - it: should add extraInitContainers when specified
    set:
      extraInitContainers:
        - name: init-config
          image: busybox:1.35
          command: ['sh', '-c', 'echo Initializing']
    asserts:
      - isNotNull:
          path: spec.template.spec.initContainers
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 1
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: init-config
      - equal:
          path: spec.template.spec.initContainers[0].image
          value: busybox:1.35

  - it: should support multiple extraInitContainers
    set:
      extraInitContainers:
        - name: init-1
          image: busybox:1.35
        - name: init-2
          image: alpine:3.18
    asserts:
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 2
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: init-1
      - equal:
          path: spec.template.spec.initContainers[1].name
          value: init-2

  - it: should preserve full container spec in extraInitContainers
    set:
      extraInitContainers:
        - name: init-permissions
          image: busybox:1.35
          command: ['sh', '-c']
          args: ['chown -R 1000:1000 /config']
          volumeMounts:
            - name: config
              mountPath: /config
          securityContext:
            runAsUser: 0
    asserts:
      - equal:
          path: spec.template.spec.initContainers[0].command[0]
          value: sh
      - equal:
          path: spec.template.spec.initContainers[0].args[0]
          value: 'chown -R 1000:1000 /config'
      - equal:
          path: spec.template.spec.initContainers[0].volumeMounts[0].name
          value: config
      - equal:
          path: spec.template.spec.initContainers[0].securityContext.runAsUser
          value: 0

  # Deprecated initContainers (backward compatibility)
  - it: should still support deprecated initContainers parameter
    set:
      initContainers:
        - name: legacy-init
          image: busybox:1.35
    asserts:
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 1
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: legacy-init

  - it: should merge initContainers and extraInitContainers
    set:
      initContainers:
        - name: legacy-init
          image: busybox:1.35
      extraInitContainers:
        - name: new-init
          image: alpine:3.18
    asserts:
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 2
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: legacy-init
      - equal:
          path: spec.template.spec.initContainers[1].name
          value: new-init

  - it: should prioritize extraInitContainers over initContainers
    set:
      initContainers:
        - name: old-way
          image: busybox:1.35
      extraInitContainers:
        - name: new-way
          image: alpine:3.18
    asserts:
      - contains:
          path: spec.template.spec.initContainers
          content:
            name: new-way
            image: alpine:3.18

  # =============================================================================
  # EDGE CASES AND FULL SPECIFICATION
  # =============================================================================

  - it: should handle empty extraInitContainers array
    set:
      extraInitContainers: []
    asserts:
      - isNull:
          path: spec.template.spec.initContainers

  - it: should preserve full container specification with all fields
    set:
      extraInitContainers:
        - name: full-spec-init
          image: busybox:1.35
          imagePullPolicy: IfNotPresent
          command: ['sh', '-c']
          args: ['echo complete']
          env:
            - name: ENV_VAR
              value: test
          envFrom:
            - configMapRef:
                name: init-config
          volumeMounts:
            - name: config
              mountPath: /config
            - name: media
              mountPath: /media
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: 200m
              memory: 256Mi
          securityContext:
            runAsUser: 0
            allowPrivilegeEscalation: false
    asserts:
      - equal:
          path: spec.template.spec.initContainers[0].imagePullPolicy
          value: IfNotPresent
      - equal:
          path: spec.template.spec.initContainers[0].env[0].name
          value: ENV_VAR
      - equal:
          path: spec.template.spec.initContainers[0].envFrom[0].configMapRef.name
          value: init-config
      - lengthEqual:
          path: spec.template.spec.initContainers[0].volumeMounts
          count: 2
      - equal:
          path: spec.template.spec.initContainers[0].resources.requests.cpu
          value: 100m
      - equal:
          path: spec.template.spec.initContainers[0].resources.limits.memory
          value: 256Mi
      - equal:
          path: spec.template.spec.initContainers[0].securityContext.allowPrivilegeEscalation
          value: false

  - it: should verify merge order (deprecated first, then extra)
    set:
      initContainers:
        - name: first-deprecated
          image: busybox:1.35
      extraInitContainers:
        - name: second-extra
          image: alpine:3.18
    asserts:
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: first-deprecated
      - equal:
          path: spec.template.spec.initContainers[1].name
          value: second-extra

  - it: should support three or more init containers
    set:
      extraInitContainers:
        - name: init-1
          image: busybox:1.35
        - name: init-2
          image: alpine:3.18
        - name: init-3
          image: ubuntu:22.04
        - name: init-4
          image: debian:12
    asserts:
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 4
      - equal:
          path: spec.template.spec.initContainers[2].name
          value: init-3
      - equal:
          path: spec.template.spec.initContainers[3].name
          value: init-4

  # Regression: verify initContainers comes first when merged
  - it: should always place deprecated initContainers before extraInitContainers
    set:
      initContainers:
        - name: deprecated-init
          image: busybox:1.35
        - name: deprecated-init-2
          image: busybox:1.36
      extraInitContainers:
        - name: extra-init
          image: alpine:3.18
        - name: extra-init-2
          image: alpine:3.19
    asserts:
      - lengthEqual:
          path: spec.template.spec.initContainers
          count: 4
      - equal:
          path: spec.template.spec.initContainers[0].name
          value: deprecated-init
      - equal:
          path: spec.template.spec.initContainers[1].name
          value: deprecated-init-2
      - equal:
          path: spec.template.spec.initContainers[2].name
          value: extra-init
      - equal:
          path: spec.template.spec.initContainers[3].name
          value: extra-init-2