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Introduce Helmfile's own filesystem abstraction to correctly unit test some components (#307)

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Use abstracted FS

Signed-off-by: Arkaitz Jimenez <arkaitzj@gmail.com>

Signed-off-by: Arkaitz Jimenez <arkaitzj@gmail.com>
This commit is contained in:
Arkaitz Jimenez
2022-08-24 12:58:43 +09:00
committed by GitHub
parent a626664f46
commit cc33e7b7d8
44 changed files with 513 additions and 425 deletions
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pkg/tmpl/context_tmpl_test.go
+12 -10
View File
@@ -4,6 +4,8 @@ import (
"fmt"
"reflect"
"testing"
ffs "github.com/helmfile/helmfile/pkg/filesystem"
)
func TestRenderTemplate_Values(t *testing.T) {
@@ -14,12 +16,12 @@ func TestRenderTemplate_Values(t *testing.T) {
bar: FOO_BAR
`
expectedFilename := "values.yaml"
ctx := &Context{readFile: func(filename string) ([]byte, error) {
ctx := &Context{fs: &ffs.FileSystem{ReadFile: func(filename string) ([]byte, error) {
if filename != expectedFilename {
return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", expectedFilename, filename)
}
return []byte(valuesYamlContent), nil
}}
}}}
buf, err := ctx.RenderTemplateToBuffer(`{{ readFile "values.yaml" | fromYaml | setValueAtPath "foo.bar" "FOO_BAR" | toYaml }}`)
if err != nil {
t.Errorf("unexpected error: %v", err)
@@ -43,12 +45,12 @@ func TestRenderTemplate_WithData(t *testing.T) {
"bar": "FOO_BAR",
},
}
ctx := &Context{readFile: func(filename string) ([]byte, error) {
ctx := &Context{fs: &ffs.FileSystem{ReadFile: func(filename string) ([]byte, error) {
if filename != expectedFilename {
return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", expectedFilename, filename)
}
return []byte(valuesYamlContent), nil
}}
}}}
buf, err := ctx.RenderTemplateToBuffer(valuesYamlContent, data)
if err != nil {
t.Errorf("unexpected error: %v", err)
@@ -68,12 +70,12 @@ func TestRenderTemplate_AccessingMissingKeyWithGetOrNil(t *testing.T) {
`
expectedFilename := "values.yaml"
data := map[string]interface{}{}
ctx := &Context{readFile: func(filename string) ([]byte, error) {
ctx := &Context{fs: &ffs.FileSystem{ReadFile: func(filename string) ([]byte, error) {
if filename != expectedFilename {
return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", expectedFilename, filename)
}
return []byte(valuesYamlContent), nil
}}
}}}
buf, err := ctx.RenderTemplateToBuffer(valuesYamlContent, data)
if err != nil {
t.Errorf("unexpected error: %v", err)
@@ -93,12 +95,12 @@ func TestRenderTemplate_Defaulting(t *testing.T) {
`
expectedFilename := "values.yaml"
data := map[string]interface{}{}
ctx := &Context{readFile: func(filename string) ([]byte, error) {
ctx := &Context{fs: &ffs.FileSystem{ReadFile: func(filename string) ([]byte, error) {
if filename != expectedFilename {
return nil, fmt.Errorf("unexpected filename: expected=%v, actual=%s", expectedFilename, filename)
}
return []byte(valuesYamlContent), nil
}}
}}}
buf, err := ctx.RenderTemplateToBuffer(valuesYamlContent, data)
if err != nil {
t.Errorf("unexpected error: %v", err)
@@ -110,9 +112,9 @@ func TestRenderTemplate_Defaulting(t *testing.T) {
}
func renderTemplateToString(s string, data ...interface{}) (string, error) {
ctx := &Context{readFile: func(filename string) ([]byte, error) {
ctx := &Context{fs: &ffs.FileSystem{ReadFile: func(filename string) ([]byte, error) {
return nil, fmt.Errorf("unexpected call to readFile: filename=%s", filename)
}}
}}}
tplString, err := ctx.RenderTemplateToBuffer(s, data...)
if err != nil {
return "", err