PostgreSQL Unit Tests

Abstract

Documentation of the unit tests for this repository.

PostgreSQL Unit Tests#

Tests Usage#

To run these tests you need to install the unittest plugin.

  1. Install the plugin.

    helm plugin install https://github.com/helm-unittest/helm-unittest

  2. Run the tests.

    helm unittest -f 'tests/*.yaml' .

Service Test#

suite

PostgreSQL Service Test Suite

Tests for the Service template.

tests/service_test_suite.yaml#
suite: PostgreSQL Service Test Suite
release:
  name: postgresql
set:
  service:
    enabled: true
templates:
- "templates/service.yaml"
values:
- ../values.yaml

tests:
- it: "should render Service with correct metadata"
  asserts:
  - isKind:
      of: Service
  - matchRegex:
      path: metadata.name
      pattern: "^postgresql.*$"
  - equal:
      path: metadata.labels
      value:
        app.kubernetes.io/component: database
        app.kubernetes.io/instance: postgresql
        app.kubernetes.io/managed-by: Helm
        app.kubernetes.io/name: postgresql
        app.kubernetes.io/version: "16.3"
        helm.sh/chart: postgresql-0.0.3

- it: "should render Service with correct spec configurations"
  asserts:
  - equal:
      path: spec.type
      value: "LoadBalancer"
  - equal:
      path: spec.ports[0].port
      value: 5432
  - equal:
      path: spec.ports[0].targetPort
      value: 5432
  - equal:
      path: spec.ports[0].protocol
      value: "TCP"
  - equal:
      path: spec.ports[0].name
      value: "postgresql"
  - equal:
      path: spec.selector
      value:
        app.kubernetes.io/component: database
        app.kubernetes.io/instance: postgresql
        app.kubernetes.io/name: postgresql

ServiceAccount Test#

suite

ServiceAccount Test Suite

Tests for the PostgreSQL ServiceAccount.

tests/serviceaccount_test_suite.yaml#
# :start-at: "suite: PostgreSQL ServiceAccount Test Suite"
# ```
suite: PostgreSQL ServiceAccount Test Suite
release:
  name: postgresql
templates:
- "templates/serviceaccount.yaml"
values:
- ../values.yaml

tests:
- it: "should render ServiceAccount with correct metadata"
  asserts:
  - isKind:
      of: ServiceAccount
  - equal:
      path: metadata.name
      value: postgresql
  - equal:
      path: metadata.labels
      value:
        app.kubernetes.io/component: database
        app.kubernetes.io/instance: postgresql
        app.kubernetes.io/name: postgresql
  - equal:
      path: metadata.annotations
      value:
        app.kubernetes.io/name: postgresql

- it: "should render ServiceAccount with correct spec configurations"
  asserts:
  - equal:
      path: automountServiceAccountToken
      value: true

StatefulSet Test#

suite

StatefulSet Test

Tests the StatefulSet template values.

tests/statefulset_test.yaml#
# :start-at: "suite: PostgreSQL StatefulSet Test Suite"
# ```
suite: PostgreSQL StatefulSet Test Suite
release:
  name: postgresql
templates:
  - "templates/statefulset.yaml"
set:
  type: StatefulSet
values:
  - ../values.yaml

tests:
  - it: "should render StatefulSet with correct metadata"
    asserts:
      - isKind:
          of: StatefulSet
      - equal:
          path: metadata.name
          value: postgresql
  - it: should render statefulset correctly
    asserts:
      - matchSnapshot:
          path: spec
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