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main.go
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main.go
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package main
import (
"flag"
"fmt"
"log"
"os"
"strings"
"github.com/vektra/mockery/mockery"
"github.com/adamwg/mockpkg"
)
var usageFmt = `%s - Generate mocks for all or some of a package's exported functions.
Usage: %s [options] <package> [<func1> <func2> ...]
`
func usage() {
fmt.Printf(usageFmt, os.Args[0], os.Args[0])
flag.PrintDefaults()
os.Exit(1)
}
func main() {
var (
outFile = flag.String("outfile", "", "file to write mocks to; if empty output to stdout")
overwrite = flag.Bool("overwrite", false, "overwrite the destination file if it exists")
buildTags = flag.String("tags", "", "space-separated list of additional build tags to use")
)
flag.Parse()
if len(flag.Args()) < 1 {
usage()
}
out := os.Stdout
if *outFile != "" {
_, err := os.Stat(*outFile)
if !os.IsNotExist(err) && !*overwrite {
log.Fatal("output file exists; use -overwrite to overwrite")
}
f, err := os.OpenFile(*outFile, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
log.Fatalf("failed to open output file: %v", err)
}
out = f
}
path := flag.Arg(0)
funcs := flag.Args()[1:]
pars := mockpkg.NewParser(path, funcs)
if *buildTags != "" {
pars.AddBuildTags(strings.Split(*buildTags, " ")...)
}
if err := pars.Parse(); err != nil {
log.Fatalf("parse error: %v", err)
}
if err := pars.Load(); err != nil {
log.Fatalf("load error: %v", err)
}
iface, err := pars.Interface()
if err != nil {
log.Fatalf("iface error: %v", err)
}
pkg := iface.Pkg.Path()
gen := mockery.NewGenerator(iface, pkg, false, "")
gen.GeneratePrologueNote("")
gen.GeneratePrologue("mocks")
if err := gen.Generate(); err != nil {
log.Fatalf("generate error: %v", err)
}
if err := gen.Write(out); err != nil {
log.Fatalf("write error: %v", err)
}
}