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Add test for static volumes #71

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Apr 23, 2024
Merged

Add test for static volumes #71

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29 changes: 0 additions & 29 deletions generator/deployment_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,32 +38,3 @@ services:
t.Errorf("Expected image to be nginx:1.29, got %s", dt.Spec.Template.Spec.Containers[0].Image)
}
}

func TestGenerateWithBoundVolume(t *testing.T) {
_compose_file := `
services:
web:
image: nginx:1.29
volumes:
- data:/var/www
volumes:
data:
`
tmpDir := setup(_compose_file)
defer teardown(tmpDir)

currentDir, _ := os.Getwd()
os.Chdir(tmpDir)
defer os.Chdir(currentDir)

output := _compile_test(t, "-s", "templates/web/deployment.yaml")

dt := v1.Deployment{}
if err := yaml.Unmarshal([]byte(output), &dt); err != nil {
t.Errorf("Failed to unmarshal the output: %s", err)
}

if dt.Spec.Template.Spec.Containers[0].VolumeMounts[0].Name != "data" {
t.Errorf("Expected volume name to be data: %v", dt)
}
}
100 changes: 100 additions & 0 deletions generator/volume_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,100 @@
package generator

import (
"fmt"
"os"
"testing"

v1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/yaml"
)

func TestGenerateWithBoundVolume(t *testing.T) {
_compose_file := `
services:
web:
image: nginx:1.29
volumes:
- data:/var/www
volumes:
data:
`
tmpDir := setup(_compose_file)
defer teardown(tmpDir)

currentDir, _ := os.Getwd()
os.Chdir(tmpDir)
defer os.Chdir(currentDir)

output := _compile_test(t, "-s", "templates/web/deployment.yaml")

dt := v1.Deployment{}
if err := yaml.Unmarshal([]byte(output), &dt); err != nil {
t.Errorf("Failed to unmarshal the output: %s", err)
}

if dt.Spec.Template.Spec.Containers[0].VolumeMounts[0].Name != "data" {
t.Errorf("Expected volume name to be data: %v", dt)
}
}

func TestWithStaticFiles(t *testing.T) {
_compose_file := `
services:
web:
image: nginx:1.29
volumes:
- ./static:/var/www
labels:
%sconfigmap-files: |-
- ./static
`
_compose_file = fmt.Sprintf(_compose_file, KATENARY_PREFIX)
tmpDir := setup(_compose_file)
defer teardown(tmpDir)

// create a static directory with an index.html file
staticDir := tmpDir + "/static"
os.Mkdir(staticDir, 0o755)
indexFile, err := os.Create(staticDir + "/index.html")
if err != nil {
t.Errorf("Failed to create index.html: %s", err)
}
indexFile.WriteString("<html><body><h1>Hello, World!</h1></body></html>")
indexFile.Close()

currentDir, _ := os.Getwd()
os.Chdir(tmpDir)
defer os.Chdir(currentDir)

output := _compile_test(t, "-s", "templates/web/deployment.yaml")
dt := v1.Deployment{}
if err := yaml.Unmarshal([]byte(output), &dt); err != nil {
t.Errorf("Failed to unmarshal the output: %s", err)
}
// get the volume mount path
volumeMountPath := dt.Spec.Template.Spec.Containers[0].VolumeMounts[0].MountPath
if volumeMountPath != "/var/www" {
t.Errorf("Expected volume mount path to be /var/www, got %s", volumeMountPath)
}

// read the configMap
output, err = helmTemplate(ConvertOptions{
OutputDir: tmpDir + "/chart",
}, "-s", "templates/web/statics/static/configmap.yaml")
if err != nil {
t.Errorf("Failed to run helm template: %s", err)
}
configMap := corev1.ConfigMap{}
if err := yaml.Unmarshal([]byte(output), &configMap); err != nil {
t.Errorf("Failed to unmarshal the output: %s", err)
}
data := configMap.Data
if len(data) != 1 {
t.Errorf("Expected 1 data, got %d", len(data))
}
if data["index.html"] != "<html><body><h1>Hello, World!</h1></body></html>" {
t.Errorf("Expected index.html to be <html><body><h1>Hello, World!</h1></body></html>, got %s", data["index.html"])
}
}
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