airshipctl/pkg/document/bundle_test.go
Ian Howell 3410000626 Add unit tests for missing Bundle functions
This increases the unit test coverage of the pkg/document package

Change-Id: I037a66879fc4ce1f31e394dc2bda5ca61391c3e2
2020-08-05 09:31:09 -05:00

293 lines
8.8 KiB
Go

/*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package document_test
import (
"bytes"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"opendev.org/airship/airshipctl/pkg/config"
"opendev.org/airship/airshipctl/pkg/document"
"opendev.org/airship/airshipctl/testutil"
)
func TestNewBundle(t *testing.T) {
require := require.New(t)
bundle := testutil.NewTestBundle(t, "testdata/common")
require.NotNil(bundle)
}
func TestBundleDocumentFiltering(t *testing.T) {
assert := assert.New(t)
require := require.New(t)
bundle := testutil.NewTestBundle(t, "testdata/common")
t.Run("GetByGvk", func(t *testing.T) {
docs, err := bundle.GetByGvk("apps", "v1", "Deployment")
require.NoError(err)
assert.Len(docs, 3)
})
t.Run("GetByAnnotation", func(t *testing.T) {
docs, err := bundle.GetByAnnotation("airshipit.org/clustertype=ephemeral")
require.NoError(err, "Error trying to GetByAnnotation")
assert.Len(docs, 4)
})
t.Run("GetByLabel", func(t *testing.T) {
docs, err := bundle.GetByLabel("app=workflow-controller")
require.NoError(err, "Error trying to GetByLabel")
assert.Len(docs, 1)
})
t.Run("SelectGvk", func(t *testing.T) {
// Select* tests test the Kustomize selector, which requires we build Kustomize
// selector objects which is useful for advanced searches that
// need to stack filters
selector := document.NewSelector().ByGvk("apps", "v1", "Deployment")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select resources")
assert.Len(docs, 3)
})
t.Run("SelectAnnotations", func(t *testing.T) {
// Find documents with a particular annotation, namely airshipit.org/clustertype=ephemeral
selector := document.NewSelector().ByAnnotation("airshipit.org/clustertype=ephemeral")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select annotated resources")
assert.Len(docs, 4)
})
t.Run("SelectLabels", func(t *testing.T) {
// Find documents with a particular label, namely app=workflow-controller
// note how this will only find resources labeled at the top most level (metadata.labels)
// and not spec templates with this label (spec.template.metadata.labels)
selector := document.NewSelector().ByLabel("app=workflow-controller")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select labeled resources")
assert.Len(docs, 1)
})
t.Run("SelectByLabelAndName", func(t *testing.T) {
// Find documents with a particular label and name,
// namely app=workflow-controller and name workflow-controller
selector := document.NewSelector().ByName("workflow-controller").ByLabel("app=workflow-controller")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select labeled with name resources")
assert.Len(docs, 1)
})
t.Run("SelectByTwoLabels", func(t *testing.T) {
// Find documents with two particular label, namely app=workflow-controller arbitrary-label=some-label
selector := document.NewSelector().
ByLabel("app=workflow-controller").
ByLabel("arbitrary-label=some-label")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select by two labels")
assert.Len(docs, 1)
assert.Equal("workflow-controller", docs[0].GetName())
})
t.Run("SelectByTwoAnnotations", func(t *testing.T) {
// Find documents with two particular annotations,
// namely app=workflow-controller and name workflow-controller
selector := document.NewSelector().
ByAnnotation("airshipit.org/clustertype=target").
ByAnnotation("airshipit.org/random-payload=random")
docs, err := bundle.Select(selector)
require.NoError(err, "Error trying to select by two annotations")
assert.Len(docs, 1)
assert.Equal("argo-ui", docs[0].GetName())
})
t.Run("SelectByFieldValue", func(t *testing.T) {
// Find documents with a particular value referenced by JSON path
filter := func(val interface{}) bool { return val == "01:3b:8b:0c:ec:8b" }
filteredBundle, err := bundle.SelectByFieldValue("spec.bootMACAddress", filter)
require.NoError(err, "Error trying to filter resources")
docs, err := filteredBundle.GetAllDocuments()
require.NoError(err)
assert.Len(docs, 1)
assert.Equal(docs[0].GetKind(), "BareMetalHost")
assert.Equal(docs[0].GetName(), "master-1")
})
t.Run("Write", func(t *testing.T) {
// Ensure we can write out a bundle
//
// alanmeadows(TODO) improve validation what we write looks correct
var b bytes.Buffer
err := bundle.Write(&b)
require.NoError(err, "Failed to write bundle out")
// b.String() will contain all kustomize built YAML
// so we for now we just search for an expected string
// obviously, this should be improved
assert.Contains(b.String(), "workflow-controller")
})
t.Run("BundleAppend", func(t *testing.T) {
doc, err := document.NewDocumentFromBytes([]byte(`apiVersion: v1
kind: Secret
metadata:
name: append-secret
namespace: metal3
type: Opaque
stringData:
username: append-username
password: append-password`))
require.NoError(err)
err = bundle.Append(doc)
require.NoError(err)
secretDoc, err := bundle.SelectOne(document.NewSelector().ByKind("Secret").ByName("append-secret"))
require.NoError(err)
require.NotNil(t, secretDoc)
password, err := secretDoc.GetString("stringData.password")
require.NoError(err)
username, err := secretDoc.GetString("stringData.username")
require.NoError(err)
assert.Equal(password, "append-password")
assert.Equal(username, "append-username")
})
}
func TestBundleOrder(t *testing.T) {
bundle := testutil.NewTestBundle(t, "testdata/order")
docs, err := bundle.GetAllDocuments()
require.NoError(t, err)
require.Len(t, docs, 3)
// first must be namespace argo-namespace
doc := docs[0]
require.NotNil(t, doc)
assert.Equal(t, "Namespace", doc.GetKind())
assert.Equal(t, "argo-namespace", doc.GetName())
// second must be CRD named workflows.argoproj.io
doc = docs[1]
require.NotNil(t, doc)
assert.Equal(t, "CustomResourceDefinition", doc.GetKind())
assert.Equal(t, "workflows.argoproj.io", doc.GetName())
// second must be CR workflow-controller
doc = docs[2]
require.NotNil(t, doc)
assert.Equal(t, "Deployment", doc.GetKind())
assert.Equal(t, "workflow-controller", doc.GetName())
}
func TestSelectOne(t *testing.T) {
bundle := testutil.NewTestBundle(t, "testdata/common")
tests := []struct {
selector document.Selector
expectedName string
expectedErr string
}{
{
selector: document.NewSelector().ByName("master-0"),
expectedName: "master-0",
},
{
selector: document.NewSelector().ByName("non-existent-doc"),
expectedErr: `document filtered by selector [Name="non-existent-doc"] found no documents`,
},
{
selector: document.NewSelector().ByKind("BareMetalHost"),
expectedErr: `document filtered by selector [Kind="BareMetalHost"] found more than one document`,
},
}
for _, tt := range tests {
doc, err := bundle.SelectOne(tt.selector)
if tt.expectedErr == "" {
require.NoError(t, err)
assert.Equal(t, tt.expectedName, doc.GetName())
} else {
assert.EqualError(t, err, tt.expectedErr)
}
}
}
func TestSelectBundle(t *testing.T) {
bundle := testutil.NewTestBundle(t, "testdata/common")
tests := []struct {
selector document.Selector
expectedDocs int
}{
{
selector: document.NewSelector().ByName("master-0"),
expectedDocs: 1,
},
{
selector: document.NewSelector().ByName("non-existent-doc"),
expectedDocs: 0,
},
{
selector: document.NewSelector().ByKind("BareMetalHost"),
expectedDocs: 2,
},
}
for _, tt := range tests {
newBundle, err := bundle.SelectBundle(tt.selector)
require.NoError(t, err)
docs, err := newBundle.GetAllDocuments()
require.NoError(t, err)
assert.Len(t, docs, tt.expectedDocs)
}
}
func TestPluginPath(t *testing.T) {
testDir, cleanup := testutil.TempDir(t, "test-home")
defer cleanup(t)
defer setHome(testDir)()
expectedPluginPath := filepath.Join(testDir, config.AirshipConfigDir, config.AirshipPluginPath)
document.InitPluginPath()
assert.Equal(t, expectedPluginPath, document.PluginPath())
}
// setHome sets the HOME environment variable to `path`, and returns a function
// that can be used to reset HOME to its original value
func setHome(path string) (resetHome func()) {
oldHome := os.Getenv("HOME")
os.Setenv("HOME", path)
return func() {
os.Setenv("HOME", oldHome)
}
}