Class: ChartTest

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/kube/helm/chart.rb

Instance Method Summary collapse

Instance Method Details

#test_apply_values_builds_correct_command ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 315

def test_apply_values_builds_correct_command
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "kind" => "Deployment", "apiVersion" => "apps/v1", "metadata" => { "name" => "web" } }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({ "replicaCount" => 3 })
    end

    assert_includes captured_cmd, "template"
    assert_includes captured_cmd, "my-app"
    assert_includes captured_cmd, dir
    assert_match(/-f .*helm-values.*\.yaml/, captured_cmd)
  end
end

#test_apply_values_defaults_release_to_chart_name ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 390

def test_apply_values_defaults_release_to_chart_name
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "nginx", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "kind" => "Pod", "apiVersion" => "v1" }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({})
    end

    assert_includes captured_cmd, "nginx"
  end
end

#test_apply_values_raises_without_source ⇒ Object

── apply_values ─────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 310

def test_apply_values_raises_without_source
  chart = Kube::Helm::Chart.new({ "name" => "my-app" })
  assert_raises(Kube::Error) { chart.apply_values({ "replicaCount" => 3 }) }
end

#test_apply_values_returns_manifest ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 366

def test_apply_values_returns_manifest
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    stub_yaml = [
      { "kind" => "Deployment", "apiVersion" => "apps/v1", "metadata" => { "name" => "web" } },
      { "kind" => "Service", "apiVersion" => "v1", "metadata" => { "name" => "web" } },
    ].map(&:to_yaml).join("")

    result = nil
    Kube::Helm.stub(:run, ->(_cmd) { stub_yaml }) do
      result = chart.apply_values({ "replicaCount" => 3 })
    end

    assert_instance_of Kube::Schema::Manifest, result
    assert_equal 2, result.count

    kinds = result.map(&:kind)
    assert_includes kinds, "Deployment"
    assert_includes kinds, "Service"
  end
end

#test_apply_values_uses_cluster_helm_instance ⇒ Object

── cluster scoping ──────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 482

def test_apply_values_uses_cluster_helm_instance
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    cluster = Kube::Cluster.connect(kubeconfig: "/tmp/test-kubeconfig")
    chart = Kube::Helm::Chart.open(dir, cluster: cluster)

    captured_cmd = nil
    stub_yaml = { "kind" => "Pod", "apiVersion" => "v1" }.to_yaml

    cluster.connection.helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({ "foo" => "bar" })
    end

    assert_includes captured_cmd, "template"
    assert_includes captured_cmd, "my-app"
  end
end

#test_apply_values_with_custom_release ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 334

def test_apply_values_with_custom_release
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "kind" => "Pod", "apiVersion" => "v1" }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({}, release: "custom-release")
    end

    assert_includes captured_cmd, "custom-release"
  end
end

#test_apply_values_with_namespace ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 350

def test_apply_values_with_namespace
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "kind" => "Pod", "apiVersion" => "v1" }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({}, namespace: "production")
    end

    assert_includes captured_cmd, "--namespace=production"
  end
end

#test_apply_values_with_path_does_not_add_version_flag ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 545

def test_apply_values_with_path_does_not_add_version_flag
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "kind" => "Pod", "apiVersion" => "v1" }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.apply_values({})
    end

    refute_includes captured_cmd, "--version"
  end
end

#test_apply_values_with_ref_uses_ref_and_version ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 526

def test_apply_values_with_ref_uses_ref_and_version
  chart = Kube::Helm::Chart.new(
    { "name" => "nginx", "version" => "18.1.0" },
    ref: "bitnami/nginx"
  )

  captured_cmd = nil
  stub_yaml = { "kind" => "Deployment", "apiVersion" => "apps/v1", "metadata" => { "name" => "web" } }.to_yaml

  Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
    chart.apply_values({ "replicaCount" => 3 })
  end

  assert_includes captured_cmd, "template"
  assert_includes captured_cmd, "nginx"
  assert_includes captured_cmd, "bitnami/nginx"
  assert_includes captured_cmd, "--version=18.1.0"
end

#test_crds_raises_without_source ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 475

def test_crds_raises_without_source
  chart = Kube::Helm::Chart.new({ "name" => "my-app" })
  assert_raises(Kube::Error) { chart.crds }
end

#test_crds_returns_custom_resource_definition_objects ⇒ Object

── crds ─────────────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 435

def test_crds_returns_custom_resource_definition_objects
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "cert-manager", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    stub_yaml = [
      { "kind" => "Deployment", "apiVersion" => "apps/v1", "metadata" => { "name" => "cm" } },
      {
        "kind" => "CustomResourceDefinition",
        "apiVersion" => "apiextensions.k8s.io/v1",
        "metadata" => { "name" => "clusterissuers.cert-manager.io" },
        "spec" => {
          "group" => "cert-manager.io",
          "names" => { "kind" => "ClusterIssuer" },
          "versions" => [
            {
              "name" => "v1",
              "schema" => {
                "openAPIV3Schema" => {
                  "type" => "object",
                  "properties" => { "spec" => { "type" => "object" } },
                },
              },
            },
          ],
        },
      },
    ].map(&:to_yaml).join("")

    result = nil
    Kube::Helm.stub(:run, ->(_cmd) { stub_yaml }) do
      result = chart.crds
    end

    assert_equal 1, result.length
    assert_equal "CustomResourceDefinition", result.first.kind
    assert result.first.respond_to?(:to_json_schema)
  end
end

#test_crds_with_ref ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 580

def test_crds_with_ref
  chart = Kube::Helm::Chart.new(
    { "name" => "cert-manager", "version" => "1.17.2" },
    ref: "jetstack/cert-manager"
  )

  stub_yaml = [
    {
      "kind" => "CustomResourceDefinition",
      "apiVersion" => "apiextensions.k8s.io/v1",
      "metadata" => { "name" => "issuers.cert-manager.io" },
      "spec" => {
        "group" => "cert-manager.io",
        "names" => { "kind" => "Issuer" },
        "versions" => [
          { "name" => "v1", "schema" => { "openAPIV3Schema" => { "type" => "object" } } },
        ],
      },
    },
  ].map(&:to_yaml).join("")

  captured_cmd = nil
  Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
    result = chart.crds
    assert_equal 1, result.length
  end

  assert_includes captured_cmd, "show"
  assert_includes captured_cmd, "crds"
  assert_includes captured_cmd, "jetstack/cert-manager"
  assert_includes captured_cmd, "--version=1.17.2"
end

#test_initializes_empty ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 237

def test_initializes_empty
  chart = Kube::Helm::Chart.new
  assert_nil chart.name
  assert_nil chart.version
  assert_nil chart.app_version
  assert_nil chart.description
  assert_nil chart.type
  assert_equal [], chart.dependencies
end

#test_initializes_with_block ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 223

def test_initializes_with_block
  chart = Kube::Helm::Chart.new {
    self.name = "my-app"
    self.version = "1.0.0"
    self.appVersion = "2.5.0"
    self.description = "A test chart"
  }

  assert_equal "my-app", chart.name
  assert_equal "1.0.0", chart.version
  assert_equal "2.5.0", chart.app_version
  assert_equal "A test chart", chart.description
end

#test_initializes_with_cluster ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 252

def test_initializes_with_cluster
  cluster = Kube::Cluster.connect(kubeconfig: "/tmp/test-kubeconfig")
  chart = Kube::Helm::Chart.new({ "name" => "x" }, cluster: cluster)
  assert_equal cluster, chart.cluster
end

#test_initializes_with_data_hash ⇒ Object

── initialization ────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 216

def test_initializes_with_data_hash
  chart = Kube::Helm::Chart.new({ "name" => "my-app", "version" => "1.0.0", "appVersion" => "2.5.0" })
  assert_equal "my-app", chart.name
  assert_equal "1.0.0", chart.version
  assert_equal "2.5.0", chart.app_version
end

#test_initializes_with_path ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 247

def test_initializes_with_path
  chart = Kube::Helm::Chart.new({ "name" => "x" }, path: "/tmp/charts/x")
  assert_equal "/tmp/charts/x", chart.path
end

#test_initializes_with_ref ⇒ Object

── remote chart (ref-based) ─────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 520

def test_initializes_with_ref
  chart = Kube::Helm::Chart.new({ "name" => "nginx", "version" => "18.1.0" }, ref: "bitnami/nginx")
  assert_equal "bitnami/nginx", chart.ref
  assert_nil chart.path
end

#test_open_raises_without_chart_yaml ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 280

def test_open_raises_without_chart_yaml
  Dir.mktmpdir do |dir|
    assert_raises(Kube::Error) { Kube::Helm::Chart.open(dir) }
  end
end

#test_open_reads_chart_yaml ⇒ Object

── Chart.open ───────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 260

def test_open_reads_chart_yaml
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), {
      "name" => "test-chart",
      "version" => "0.1.0",
      "appVersion" => "1.0.0",
      "description" => "A test chart",
      "type" => "application",
    }.to_yaml)

    chart = Kube::Helm::Chart.open(dir)
    assert_equal "test-chart", chart.name
    assert_equal "0.1.0", chart.version
    assert_equal "1.0.0", chart.app_version
    assert_equal "A test chart", chart.description
    assert_equal "application", chart.type
    assert_equal dir, chart.path
  end
end

#test_open_with_cluster ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 286

def test_open_with_cluster
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "x", "version" => "1.0.0" }.to_yaml)
    cluster = Kube::Cluster.connect(kubeconfig: "/tmp/test-kubeconfig")

    chart = Kube::Helm::Chart.open(dir, cluster: cluster)
    assert_equal cluster, chart.cluster
  end
end

#test_show_values ⇒ Object

── show_values ──────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 408

def test_show_values
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    chart = Kube::Helm::Chart.open(dir)

    captured_cmd = nil
    stub_yaml = { "replicaCount" => 1, "service" => { "type" => "ClusterIP" } }.to_yaml

    Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      result = chart.show_values
      assert_equal 1, result["replicaCount"]
      assert_equal "ClusterIP", result.dig("service", "type")
    end

    assert_includes captured_cmd, "show"
    assert_includes captured_cmd, "values"
    assert_includes captured_cmd, dir
  end
end

#test_show_values_raises_without_source ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 428

def test_show_values_raises_without_source
  chart = Kube::Helm::Chart.new({ "name" => "my-app" })
  assert_raises(Kube::Error) { chart.show_values }
end

#test_show_values_uses_cluster_helm_instance ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 500

def test_show_values_uses_cluster_helm_instance
  Dir.mktmpdir do |dir|
    File.write(File.join(dir, "Chart.yaml"), { "name" => "my-app", "version" => "1.0.0" }.to_yaml)
    cluster = Kube::Cluster.connect(kubeconfig: "/tmp/test-kubeconfig")
    chart = Kube::Helm::Chart.open(dir, cluster: cluster)

    captured_cmd = nil
    stub_yaml = { "replicaCount" => 1 }.to_yaml

    cluster.connection.helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
      chart.show_values
    end

    assert_includes captured_cmd, "show"
    assert_includes captured_cmd, "values"
  end
end

#test_show_values_with_ref ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 561

def test_show_values_with_ref
  chart = Kube::Helm::Chart.new(
    { "name" => "nginx", "version" => "18.1.0" },
    ref: "bitnami/nginx"
  )

  captured_cmd = nil
  stub_yaml = { "replicaCount" => 1 }.to_yaml

  Kube::Helm.stub(:run, ->(cmd) { captured_cmd = cmd; stub_yaml }) do
    chart.show_values
  end

  assert_includes captured_cmd, "show"
  assert_includes captured_cmd, "values"
  assert_includes captured_cmd, "bitnami/nginx"
  assert_includes captured_cmd, "--version=18.1.0"
end

#test_to_s_with_version ⇒ Object

── to_s ──────────────────────────────────────────────────────────────



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# File 'lib/kube/helm/chart.rb', line 298

def test_to_s_with_version
  chart = Kube::Helm::Chart.new({ "name" => "nginx", "version" => "18.1.0" })
  assert_equal "nginx:18.1.0", chart.to_s
end

#test_to_s_without_version ⇒ Object 



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# File 'lib/kube/helm/chart.rb', line 303

def test_to_s_without_version
  chart = Kube::Helm::Chart.new({ "name" => "nginx" })
  assert_equal "nginx", chart.to_s
end