148 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
package app
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import (
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	"testing"
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	"github.com/google/go-cmp/cmp"
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	"github.com/helmfile/vals"
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	"github.com/stretchr/testify/assert"
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	"go.uber.org/zap"
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	ffs "github.com/helmfile/helmfile/pkg/filesystem"
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	"github.com/helmfile/helmfile/pkg/testhelper"
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	"github.com/helmfile/helmfile/pkg/testutil"
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)
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func testDAG(t *testing.T, cfg configImpl) {
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	type testcase struct {
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		environment string
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		ns          string
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		error       string
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		selectors   []string
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		expected    string
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	}
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	check := func(t *testing.T, tc testcase, cfg configImpl) {
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		t.Helper()
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		bs := runWithLogCapture(t, "debug", func(t *testing.T, logger *zap.SugaredLogger) {
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			t.Helper()
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			valsRuntime, err := vals.New(vals.Options{CacheSize: 32})
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			if err != nil {
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				t.Errorf("unexpected error creating vals runtime: %v", err)
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			}
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			files := map[string]string{
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				"/path/to/helmfile.yaml": `
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environments:
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  development: {}
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  shared: {}
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---
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releases:
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- name: logging
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  chart: incubator/raw
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  namespace: kube-system
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- name: kubernetes-external-secrets
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  chart: incubator/raw
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  namespace: kube-system
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  needs:
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  - kube-system/logging
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- name: external-secrets
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  chart: incubator/raw
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  namespace: default
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  labels:
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    app: test
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  needs:
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  - kube-system/kubernetes-external-secrets
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- name: my-release
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  chart: incubator/raw
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  namespace: default
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  labels:
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    app: test
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  needs:
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  - default/external-secrets
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# Disabled releases are treated as missing
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- name: disabled
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  chart: incubator/raw
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  namespace: kube-system
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  installed: false
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- name: test2
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  chart: incubator/raw
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  needs:
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  - kube-system/disabled
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- name: test3
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  chart: incubator/raw
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  needs:
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  - test2
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- name: test4
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  chart: incubator/raw
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  needs:
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  - test2
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  - test3
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`,
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			}
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			app := appWithFs(&App{
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				OverrideHelmBinary:  DefaultHelmBinary,
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				fs:                  ffs.DefaultFileSystem(),
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				OverrideKubeContext: "default",
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				Env:                 tc.environment,
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				Logger:              logger,
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				valsRuntime:         valsRuntime,
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			}, files)
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			expectNoCallsToHelm(app)
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			if tc.ns != "" {
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				app.Namespace = tc.ns
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			}
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			if tc.selectors != nil {
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				app.Selectors = tc.selectors
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			}
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			var dagErr error
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			out, err := testutil.CaptureStdout(func() {
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				dagErr = app.PrintDAGState(cfg)
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			})
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			assert.NoError(t, err)
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			var gotErr string
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			if dagErr != nil {
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				gotErr = dagErr.Error()
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			}
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			if d := cmp.Diff(tc.error, gotErr); d != "" {
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				t.Fatalf("unexpected error: want (-), got (+): %s", d)
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			}
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			assert.Equal(t, tc.expected, out)
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		})
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		testhelper.RequireLog(t, "dag_test", bs)
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	}
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	t.Run("DAG lists dependencies in order", func(t *testing.T) {
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		check(t, testcase{
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			environment: "default",
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			expected: `GROUP RELEASE                                         DEPENDENCIES
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1     default/kube-system/logging                     
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1     default/kube-system/disabled                    
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2     default/kube-system/kubernetes-external-secrets default/kube-system/logging
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2     default//test2                                  default/kube-system/disabled
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3     default/default/external-secrets                default/kube-system/kubernetes-external-secrets
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3     default//test3                                  default//test2
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4     default/default/my-release                      default/default/external-secrets
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4     default//test4                                  default//test2, default//test3
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`,
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		}, cfg)
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	})
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}
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func TestDAG(t *testing.T) {
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	t.Run("DAG", func(t *testing.T) {
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		testDAG(t, configImpl{})
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	})
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}
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