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type_test.go
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type_test.go
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package match
import (
"reflect"
"testing"
"github.com/gkampitakis/go-snaps/internal/test"
)
func TestTypeMatcher(t *testing.T) {
t.Run("should create a type matcher", func(t *testing.T) {
p := []string{"test.1", "test.2"}
tm := Type[string](p...)
test.True(t, tm.errOnMissingPath)
test.Equal(t, "Type", tm.name)
test.Equal(t, p, tm.paths)
test.Equal(t, reflect.TypeOf("").String(), reflect.TypeOf(tm.expectedType).String())
})
t.Run("should allow overriding values", func(t *testing.T) {
p := []string{"test.1", "test.2"}
tm := Type[string](p...)
tm.ErrOnMissingPath(false)
test.False(t, tm.errOnMissingPath)
test.Equal(t, "Type", tm.name)
test.Equal(t, p, tm.paths)
test.Equal(t, reflect.TypeOf("").String(), reflect.TypeOf(tm.expectedType).String())
})
t.Run("JSON", func(t *testing.T) {
j := []byte(`{
"user": {
"name": "mock-user",
"email": "mock-email",
"age": 29
},
"date": "16/10/2022"
}`)
t.Run("should return error in case of missing path", func(t *testing.T) {
tm := Type[string]("user.2")
res, errs := tm.JSON(j)
test.Equal(t, j, res)
test.Equal(t, 1, len(errs))
err := errs[0]
test.Equal(t, "path does not exist", err.Reason.Error())
test.Equal(t, "Type", err.Matcher)
test.Equal(t, "user.2", err.Path)
})
t.Run("should aggregate errors", func(t *testing.T) {
tm := Type[string]("user.2", "user.3")
res, errs := tm.JSON(j)
test.Equal(t, j, res)
test.Equal(t, 2, len(errs))
})
t.Run("should evaluate passed type and replace json", func(t *testing.T) {
tm := Type[string]("user.name", "date")
res, errs := tm.JSON(j)
expected := `{
"user": {
"name": "<Type:string>",
"email": "mock-email",
"age": 29
},
"date": "<Type:string>"
}`
test.Nil(t, errs)
test.Equal(t, expected, string(res))
})
t.Run("should return error with type mismatch", func(t *testing.T) {
tm := Type[int]("user.name", "user.age")
_, errs := tm.JSON(j)
test.Equal(t, 2, len(errs))
test.Equal(t, "expected type int, received string", errs[0].Reason.Error())
test.Equal(t, "expected type int, received float64", errs[1].Reason.Error())
})
})
t.Run("YAML", func(t *testing.T) {
y := []byte(`user:
name: mock-user
email: mock-email
age: 29
date: 16/10/2022
`)
t.Run("should return error in case of missing path", func(t *testing.T) {
tm := Type[string]("$.user.missing")
res, errs := tm.YAML(y)
test.Equal(t, string(y), string(res))
test.Equal(t, 1, len(errs))
err := errs[0]
test.Equal(t, "path does not exist", err.Reason.Error())
test.Equal(t, "Type", err.Matcher)
test.Equal(t, "$.user.missing", err.Path)
})
t.Run("should aggregate errors", func(t *testing.T) {
tm := Type[string]("$.user.missing", "$.user.missing_key")
res, errs := tm.YAML(y)
test.Equal(t, y, res)
test.Equal(t, 2, len(errs))
})
t.Run("should evaluate passed type and replace yaml", func(t *testing.T) {
tm := Type[string]("$.user.name", "$.date")
res, errs := tm.YAML(y)
expected := `user:
name: <Type:string>
email: mock-email
age: 29
date: <Type:string>
`
test.Nil(t, errs)
test.Equal(t, expected, string(res))
})
})
}