/
gen_len.go
145 lines (126 loc) · 4.86 KB
/
gen_len.go
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package main
import (
"strings"
"text/template"
"github.com/Antonboom/testifylint/internal/checkers"
)
type LenTestsGenerator struct{}
func (LenTestsGenerator) Checker() checkers.Checker {
return checkers.NewLen()
}
func (g LenTestsGenerator) TemplateData() any {
var (
checker = g.Checker().Name()
report = checker + ": use %s.%s"
proposedFn = "Len"
)
return struct {
CheckerName CheckerName
InvalidAssertions []Assertion
ValidAssertions []Assertion
IgnoredAssertions []Assertion
}{
CheckerName: CheckerName(checker),
InvalidAssertions: []Assertion{
{Fn: "Equal", Argsf: "len(arr), 42", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "Equal", Argsf: "42, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "Equal", Argsf: "value, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, value"},
{Fn: "EqualValues", Argsf: "len(arr), 42", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "EqualValues", Argsf: "42, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "EqualValues", Argsf: "value, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, value"},
{Fn: "Exactly", Argsf: "len(arr), 42", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "Exactly", Argsf: "42, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "Exactly", Argsf: "value, len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, value"},
{Fn: "True", Argsf: "len(arr) == 42", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
{Fn: "True", Argsf: "42 == len(arr)", ReportMsgf: report, ProposedFn: proposedFn, ProposedArgsf: "arr, 42"},
},
ValidAssertions: []Assertion{
{Fn: "Len", Argsf: "arr, 42"},
{Fn: "Len", Argsf: "arr, len(arr)"},
},
IgnoredAssertions: []Assertion{
{Fn: "Equal", Argsf: "len(arr), len(arr)"},
{Fn: "Equal", Argsf: "len(arr), value"},
{Fn: "EqualValues", Argsf: "len(arr), len(arr)"},
{Fn: "EqualValues", Argsf: "len(arr), value"},
{Fn: "Exactly", Argsf: "len(arr), len(arr)"},
{Fn: "Exactly", Argsf: "len(arr), value"},
{Fn: "True", Argsf: "len(arr) == len(arr)"},
{Fn: "True", Argsf: "len(arr) == value"},
{Fn: "True", Argsf: "value == len(arr)"},
{Fn: "NotEqual", Argsf: "42, len(arr)"},
{Fn: "NotEqual", Argsf: "len(arr), 42"},
{Fn: "NotEqualValues", Argsf: "42, len(arr)"},
{Fn: "NotEqualValues", Argsf: "len(arr), 42"},
{Fn: "Greater", Argsf: "len(arr), 42"},
{Fn: "Greater", Argsf: "42, len(arr)"},
{Fn: "GreaterOrEqual", Argsf: "len(arr), 42"},
{Fn: "GreaterOrEqual", Argsf: "42, len(arr)"},
{Fn: "Less", Argsf: "len(arr), 42"},
{Fn: "Less", Argsf: "42, len(arr)"},
{Fn: "LessOrEqual", Argsf: "len(arr), 42"},
{Fn: "LessOrEqual", Argsf: "42, len(arr)"},
{Fn: "True", Argsf: "42 != len(arr)"},
{Fn: "True", Argsf: "len(arr) != 42"},
{Fn: "True", Argsf: "42 > len(arr)"},
{Fn: "True", Argsf: "len(arr) > 42"},
{Fn: "True", Argsf: "42 >= len(arr)"},
{Fn: "True", Argsf: "len(arr) >= 42"},
{Fn: "True", Argsf: "42 < len(arr)"},
{Fn: "True", Argsf: "len(arr) < 42"},
{Fn: "True", Argsf: "42 <= len(arr)"},
{Fn: "True", Argsf: "len(arr) >= 42"},
{Fn: "False", Argsf: "42 == len(arr)"},
{Fn: "False", Argsf: "len(arr) == 42"},
{Fn: "False", Argsf: "42 != len(arr)"},
{Fn: "False", Argsf: "len(arr) != 42"},
{Fn: "False", Argsf: "42 > len(arr)"},
{Fn: "False", Argsf: "len(arr) > 42"},
{Fn: "False", Argsf: "42 >= len(arr)"},
{Fn: "False", Argsf: "len(arr) >= 42"},
{Fn: "False", Argsf: "42 < len(arr)"},
{Fn: "False", Argsf: "len(arr) < 42"},
{Fn: "False", Argsf: "42 <= len(arr)"},
{Fn: "False", Argsf: "len(arr) <= 42"},
},
}
}
func (LenTestsGenerator) ErroredTemplate() Executor {
return template.Must(template.New("LenTestsGenerator.ErroredTemplate").
Funcs(fm).
Parse(lenTestTmpl))
}
func (LenTestsGenerator) GoldenTemplate() Executor {
return template.Must(template.New("LenTestsGenerator.GoldenTemplate").
Funcs(fm).
Parse(strings.ReplaceAll(lenTestTmpl, "NewAssertionExpander", "NewAssertionExpander.AsGolden")))
}
const lenTestTmpl = header + `
package {{ .CheckerName.AsPkgName }}
import (
"testing"
"github.com/stretchr/testify/assert"
)
func {{ .CheckerName.AsTestName }}(t *testing.T) {
var arr [3]int
var value int
// Invalid.
{
{{- range $ai, $assrn := $.InvalidAssertions }}
{{ NewAssertionExpander.Expand $assrn "assert" "t" nil }}
{{- end }}
}
// Valid.
{
{{- range $ai, $assrn := $.ValidAssertions }}
{{ NewAssertionExpander.Expand $assrn "assert" "t" nil }}
{{- end }}
}
// Ignored.
{
{{- range $ai, $assrn := $.IgnoredAssertions }}
{{ NewAssertionExpander.Expand $assrn "assert" "t" nil }}
{{- end }}
}
}
`