github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/cli/cmd/class/create_test.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package class
    21  
    22  import (
    23  	"bytes"
    24  	"fmt"
    25  
    26  	. "github.com/onsi/ginkgo/v2"
    27  	. "github.com/onsi/gomega"
    28  	"k8s.io/cli-runtime/pkg/genericiooptions"
    29  
    30  	"k8s.io/client-go/kubernetes/scheme"
    31  	cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
    32  
    33  	appsv1alpha1 "github.com/1aal/kubeblocks/apis/apps/v1alpha1"
    34  	"github.com/1aal/kubeblocks/pkg/cli/testing"
    35  )
    36  
    37  var _ = Describe("create", func() {
    38  	var (
    39  		createOptions *CreateOptions
    40  		out           *bytes.Buffer
    41  		tf            *cmdtesting.TestFactory
    42  		streams       genericiooptions.IOStreams
    43  	)
    44  
    45  	fillResources := func(o *CreateOptions, cpu string, memory string) {
    46  		o.CPU = cpu
    47  		o.Memory = memory
    48  		o.ClassName = fmt.Sprintf("custom-%s-%s", cpu, memory)
    49  	}
    50  
    51  	BeforeEach(func() {
    52  		streams, _, out, _ = genericiooptions.NewTestIOStreams()
    53  		tf = testing.NewTestFactory(namespace)
    54  		_ = appsv1alpha1.AddToScheme(scheme.Scheme)
    55  		createOptions = &CreateOptions{
    56  			IOStreams:     streams,
    57  			ClusterDefRef: "apecloud-mysql",
    58  			ComponentType: "mysql",
    59  		}
    60  	})
    61  
    62  	AfterEach(func() {
    63  		tf.Cleanup()
    64  	})
    65  
    66  	It("should succeed to new command", func() {
    67  		cmd := NewCreateCommand(tf, streams)
    68  		Expect(cmd).ShouldNot(BeNil())
    69  	})
    70  
    71  	Context("with resource arguments", func() {
    72  
    73  		Context("without constraints", func() {
    74  			BeforeEach(func() {
    75  				tf.FakeDynamicClient = testing.FakeDynamicClient(&classDef, &generalResourceConstraintWithoutSelector)
    76  				createOptions.Factory = tf
    77  				Expect(createOptions.complete(tf)).ShouldNot(HaveOccurred())
    78  			})
    79  
    80  			It("should succeed if component don't have any constraints", func() {
    81  				fillResources(createOptions, "1", "100Gi")
    82  				Expect(createOptions.run()).ShouldNot(HaveOccurred())
    83  			})
    84  
    85  		})
    86  
    87  		Context("with constraints", func() {
    88  			BeforeEach(func() {
    89  				tf.FakeDynamicClient = testing.FakeDynamicClient(&classDef, &generalResourceConstraint, &memoryOptimizedResourceConstraint)
    90  				createOptions.Factory = tf
    91  				Expect(createOptions.complete(tf)).ShouldNot(HaveOccurred())
    92  			})
    93  
    94  			It("should fail if required arguments is missing", func() {
    95  				fillResources(createOptions, "", "48Gi")
    96  				Expect(createOptions.validate([]string{"general-12c48g"})).Should(HaveOccurred())
    97  				fillResources(createOptions, "12", "")
    98  				Expect(createOptions.validate([]string{"general-12c48g"})).Should(HaveOccurred())
    99  				fillResources(createOptions, "12", "48g")
   100  				Expect(createOptions.validate([]string{})).Should(HaveOccurred())
   101  			})
   102  
   103  			It("should succeed with required arguments", func() {
   104  				fillResources(createOptions, "96", "384Gi")
   105  				Expect(createOptions.validate([]string{"general-96c384g"})).ShouldNot(HaveOccurred())
   106  				Expect(createOptions.run()).ShouldNot(HaveOccurred())
   107  				Expect(out.String()).Should(ContainSubstring(createOptions.ClassName))
   108  			})
   109  
   110  			It("should fail if not conformed to constraint", func() {
   111  				By("memory not conformed to constraint")
   112  				fillResources(createOptions, "2", "9Gi")
   113  				Expect(createOptions.run()).Should(HaveOccurred())
   114  
   115  				By("CPU with invalid step")
   116  				fillResources(createOptions, "0.6", "0.6Gi")
   117  				Expect(createOptions.run()).Should(HaveOccurred())
   118  			})
   119  
   120  			It("should fail if class name is conflicted", func() {
   121  				// class may be conflict only within the same object, so we set the objectName to be consistent with the name of the object classDef
   122  				createOptions.objectName = "kb.classes.default.apecloud-mysql.mysql"
   123  
   124  				fillResources(createOptions, "1", "1Gi")
   125  				createOptions.ClassName = "general-1c1g"
   126  				Expect(createOptions.run()).Should(HaveOccurred())
   127  
   128  				fillResources(createOptions, "0.5", "0.5Gi")
   129  				Expect(createOptions.run()).ShouldNot(HaveOccurred())
   130  
   131  				fillResources(createOptions, "0.5", "0.5Gi")
   132  				Expect(createOptions.run()).Should(HaveOccurred())
   133  			})
   134  		})
   135  	})
   136  
   137  	Context("with class definitions file", func() {
   138  		BeforeEach(func() {
   139  			tf.FakeDynamicClient = testing.FakeDynamicClient(&classDef, &generalResourceConstraint, &memoryOptimizedResourceConstraint)
   140  			createOptions.Factory = tf
   141  			Expect(createOptions.complete(tf)).ShouldNot(HaveOccurred())
   142  		})
   143  
   144  		It("should succeed", func() {
   145  			createOptions.File = testCustomClassDefsPath
   146  			Expect(createOptions.run()).ShouldNot(HaveOccurred())
   147  			Expect(out.String()).Should(ContainSubstring("custom-1c1g"))
   148  			Expect(out.String()).Should(ContainSubstring("custom-4c16g"))
   149  			// memory optimized classes
   150  			Expect(out.String()).Should(ContainSubstring("custom-2c16g"))
   151  			Expect(out.String()).Should(ContainSubstring("custom-4c64g"))
   152  		})
   153  
   154  	})
   155  
   156  })