Rename the project to fejkdata and record the fork source

README.md

@@ -1,4 +1,6 @@
-# fakes
+# fejkdata
+
+Forked from [github.com/Timewave-AB/fakes](https://github.com/Timewave-AB/fakes).
 
 A Go library and CLI for generating fake data, built for
 **internationalization**. It exists because the existing Go fake libraries
@@ -26,21 +28,21 @@ lacked the locale coverage and format control we needed.
 
 ## CLI
 
-Install the `fakes` command, then give it one or more `-data-path` directories
+Install the `fejkdata` command, then give it one or more `-data-path` directories
 and a path — it prints one value to stdout. Each dot segment descends one level:
 folders, then the category (a JSON file), then fields inside it.
 
 ```sh
-go install github.com/Timewave-AB/fakes/cmd/fakes@latest
+go install gitea.larvit.se/larvit/fejkdata/cmd/fejkdata@latest
 
-fakes -data-path ./data/sv_SE person               # Sara Eriksson
-fakes -data-path ./data/sv_SE person.last          # Eriksson  (dotted path into a category)
-fakes -data-path ./data sv_SE.person               # point at the tree; the folder is a segment
-fakes -data-path ./data/sv_SE -data-path ./mydata word  # layer dirs; the last wins a name clash
-fakes -seed 42 -data-path ./data/sv_SE address
-fakes -repeat 3 -data-path ./data/sv_SE person             # three values, one per line
-fakes -repeat 3 -separator ', ' -data-path ./data/sv_SE word  # nät, barn, sol
-fakes -data-path ./data/sv_SE -list                        # every path this data offers
+fejkdata -data-path ./data/sv_SE person               # Sara Eriksson
+fejkdata -data-path ./data/sv_SE person.last          # Eriksson  (dotted path into a category)
+fejkdata -data-path ./data sv_SE.person               # point at the tree; the folder is a segment
+fejkdata -data-path ./data/sv_SE -data-path ./mydata word  # layer dirs; the last wins a name clash
+fejkdata -seed 42 -data-path ./data/sv_SE address
+fejkdata -repeat 3 -data-path ./data/sv_SE person             # three values, one per line
+fejkdata -repeat 3 -separator ', ' -data-path ./data/sv_SE word  # nät, barn, sol
+fejkdata -data-path ./data/sv_SE -list                        # every path this data offers
 ```
 
 `-data-path` is repeatable (last wins a name clash) and the path comes last —
@@ -49,7 +51,7 @@ independent draw — joined by `-separator` (default a newline, so values land o
 per line). Not sure what a data set offers? `-list` prints every path you can ask
 for; `-version` prints the build version.
 
-Without installing, run it from a checkout with `go run ./cmd/fakes …`. Exit
+Without installing, run it from a checkout with `go run ./cmd/fejkdata …`. Exit
 codes: `0` success (including `-list`, `-version`, `-h`), `1` runtime error
 (missing dir, unknown path), `2` misuse.
 
@@ -76,7 +78,7 @@ the `),(` separator; the outer `V#ALUES(…)` wraps that into one valid row list
 letter token — see [Data format](#data-format).)
 
 ```sh
-fakes -seed 1 -data-path ./data/sv_SE sql
+fejkdata -seed 1 -data-path ./data/sv_SE sql
 # INSERT INTO users VALUES('zoom'),('wahoo'),('blip');
 ```
 
@@ -84,13 +86,13 @@ Raise the template's `repeat` for more rows per statement; use the CLI's
 `-repeat` for more statements — together they build a whole seed file:
 
 ```sh
-fakes -repeat 100 -data-path ./data/sv_SE sql > seed.sql
+fejkdata -repeat 100 -data-path ./data/sv_SE sql > seed.sql
 ```
 
 ## Library
 
 ```sh
-go get github.com/Timewave-AB/fakes   # requires Go 1.22+ (for math/rand/v2)
+go get gitea.larvit.se/larvit/fejkdata   # requires Go 1.22+ (for math/rand/v2)
 ```
 
 Point `New` at one or more data directories, then generate values by path with
@@ -104,11 +106,11 @@ import (
 	"fmt"
 	"log"
 
-	"github.com/Timewave-AB/fakes"
+	"gitea.larvit.se/larvit/fejkdata"
 )
 
 func main() {
-	f, err := fakes.New([]string{"./data/sv_SE"})
+	f, err := fejkdata.New([]string{"./data/sv_SE"})
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -135,8 +137,8 @@ Seed a faker for reproducible output — same seed + locale yields an identical
 sequence, handy for stable tests:
 
 ```go
-a, _ := fakes.New([]string{"./data/sv_SE"}, fakes.WithSeed(42))
-b, _ := fakes.New([]string{"./data/sv_SE"}, fakes.WithSeed(42))
+a, _ := fejkdata.New([]string{"./data/sv_SE"}, fejkdata.WithSeed(42))
+b, _ := fejkdata.New([]string{"./data/sv_SE"}, fejkdata.WithSeed(42))
 av, _ := a.Fake("person")
 bv, _ := b.Fake("person")
 av == bv // true
@@ -146,7 +148,7 @@ av == bv // true
 dotted fields and folder segments (what the CLI's `-list` prints). Every path it
 lists renders.
 
-A `*Fakes` is **not** safe for concurrent use — create one per goroutine.
+A `*Fejkdata` is **not** safe for concurrent use — create one per goroutine.
 
 ## Data
 
@@ -167,7 +169,7 @@ by their children, and any other clash is won by the last directory loaded. That
 lets you layer your own data over the built-ins without copying them:
 
 ```go
-fakes.New([]string{"./data/sv_SE", "./mydata"}) // mydata overrides on a clash
+fejkdata.New([]string{"./data/sv_SE", "./mydata"}) // mydata overrides on a clash
 ```
 
 Each shipped locale carries these categories, formatted per locale (e.g. `date`
@@ -510,7 +512,7 @@ docker compose run --rm test                      # latest
 ## Layout
 
 ```
-fakes.go        Fakes, New, List, options, seeding
+fejkdata.go     Fejkdata, New, List, options, seeding
 node.go         the node model and JSON -> node compilation
 render.go       Fake and the recursive renderer (choices, format strings, paths, bound draws)
 template.go     the {token} grammar: scanning, function and path tokens, validation
@@ -518,7 +520,7 @@ reference.go    {..path} binding across the tree, the render graph, and the walk
 builtins.go     the {name()} function registry and its implementations
 calc.go         the {calc()} arithmetic evaluator: parser, eval, validation
 data.go         data loading: folders/files -> namespace tree, multi-path merge
-cmd/fakes/      the `fakes` CLI (New + Fake/List over stdout)
+cmd/fejkdata/   the `fejkdata` CLI (New + Fake/List over stdout)
 data/           shipped data (JSON): locale folders + a misc folder
 ```
 

bench_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"os"
@@ -6,7 +6,7 @@ import (
 	"testing"
 )
 
-func benchFaker(b *testing.B, dir string) *Fakes {
+func benchFaker(b *testing.B, dir string) *Fejkdata {
 	b.Helper()
 	f, err := New([]string{dir}, WithSeed(1))
 	if err != nil {

bound_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"

builtins.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"encoding/base64"
@@ -97,7 +97,7 @@ const hexDigits = "0123456789abcdef"
 func atoi(s string) int {
 	n, err := strconv.Atoi(s)
 	if err != nil {
-		panic(fmt.Sprintf("fakes: builtin arg %q reached prep unvalidated: %v", s, err))
+		panic(fmt.Sprintf("fejkdata: builtin arg %q reached prep unvalidated: %v", s, err))
 	}
 	return n
 }
@@ -106,7 +106,7 @@ func atoi(s string) int {
 func atof(s string) float64 {
 	f, err := strconv.ParseFloat(s, 64)
 	if err != nil {
-		panic(fmt.Sprintf("fakes: builtin arg %q reached prep unvalidated: %v", s, err))
+		panic(fmt.Sprintf("fejkdata: builtin arg %q reached prep unvalidated: %v", s, err))
 	}
 	return f
 }

builtins_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"encoding/base64"

calc.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"
@@ -48,7 +48,7 @@ func (n calcIdx) eval(operands []string) float64 {
 // than returning NaN, so a node kind indexVars forgets is a stack trace and not a
 // silently wrong number.
 func (n calcVar) eval([]string) float64 {
-	panic(fmt.Sprintf("fakes: calc operand %q was never placed", string(n)))
+	panic(fmt.Sprintf("fejkdata: calc operand %q was never placed", string(n)))
 }
 
 func (n calcNeg) eval(operands []string) float64 { return -n.x.eval(operands) }
@@ -98,7 +98,7 @@ func checkCalc(fields map[string]node, args []string) error {
 func calcPrep(args []string) callFn {
 	expr, err := parseCalc(args[0])
 	if err != nil { // a nil AST would be a nil dereference per render, with no message
-		panic(fmt.Sprintf("fakes: calc(%q) reached prep unparsed: %v", args[0], err))
+		panic(fmt.Sprintf("fejkdata: calc(%q) reached prep unparsed: %v", args[0], err))
 	}
 	at := make(map[string]int)
 	for i, name := range calcVars(expr) {
@@ -121,7 +121,7 @@ func indexVars(n calcNode, at map[string]int) calcNode {
 	case calcVar:
 		i, placed := at[string(n)]
 		if !placed { // calcVars named every operand, so a miss means the two disagree
-			panic(fmt.Sprintf("fakes: calc operand %q is not among the names read for it", string(n)))
+			panic(fmt.Sprintf("fejkdata: calc operand %q is not among the names read for it", string(n)))
 		}
 		return calcIdx(i)
 	case calcNeg:

calc_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"
@@ -126,7 +126,7 @@ func TestCalcOperandReadsTheExpansionsDraw(t *testing.T) {
 	dir := writeData(t, map[string]string{
 		"inv": `{"format":"{net} x {qty} = {calc(net * qty, 2)}","net":["19.99","5.00","100.00"],"qty":["2","3","7"]}`,
 	})
-	f := newFakes(t, dir, WithSeed(3))
+	f := newFejkdata(t, dir, WithSeed(3))
 	for i := 0; i < 300; i++ {
 		got := fake(t, f, "inv")
 		var net, qty, want float64
@@ -145,7 +145,7 @@ func TestCalcOperandSharesOneDraw(t *testing.T) {
 	dir := writeData(t, map[string]string{
 		"same": `{"format":"{w} {w} {calc(w)}","w":["1","2","3","4","5"]}`,
 	})
-	f := newFakes(t, dir, WithSeed(5))
+	f := newFejkdata(t, dir, WithSeed(5))
 	for i := 0; i < 200; i++ {
 		got := fake(t, f, "same")
 		if p := strings.Fields(got); len(p) != 3 || p[0] != p[1] || p[0] != p[2] {
@@ -158,7 +158,7 @@ func TestCalcOperandSharesOneDraw(t *testing.T) {
 // held, so an ordinary {w} {w} still draws twice.
 func TestFieldNoCalcReadsDrawsEachTime(t *testing.T) {
 	dir := writeData(t, map[string]string{"two": `{"format":"{w} {w}","w":["1","2","3","4","5"]}`})
-	f := newFakes(t, dir, WithSeed(5))
+	f := newFejkdata(t, dir, WithSeed(5))
 	for i := 0; i < 200; i++ {
 		if p := strings.Fields(fake(t, f, "two")); p[0] != p[1] {
 			return
@@ -173,7 +173,7 @@ func TestCalcHoldIsPerExpansion(t *testing.T) {
 	dir := writeData(t, map[string]string{
 		"rep": `{"format":"{n}={calc(n * 1)}","repeat":8,"separator":" ","n":["2","3","4","5","6","7","8","9"]}`,
 	})
-	f := newFakes(t, dir, WithSeed(11))
+	f := newFejkdata(t, dir, WithSeed(11))
 	varied := false
 	for i := 0; i < 50; i++ {
 		got := fake(t, f, "rep")
@@ -199,7 +199,7 @@ func TestCalcHoldIsPerTemplate(t *testing.T) {
 		"nest": `{"format":"{v}={calc(v * 1)} {inner}","v":["2","3","4","5","6","7","8","9"],
 			"inner":{"format":"{v}={calc(v * 1)}","v":["2","3","4","5","6","7","8","9"]}}`,
 	})
-	f := newFakes(t, dir, WithSeed(13))
+	f := newFejkdata(t, dir, WithSeed(13))
 	differed := false
 	for i := 0; i < 200; i++ {
 		got := fake(t, f, "nest")

cmd/fejkdata/main.go

@@ -1,12 +1,12 @@
-// Command fakes prints one fake value from one or more data directories.
+// Command fejkdata prints one fake value from one or more data directories.
 //
-//	fakes -data-path ./data/sv_SE person                     # a full person
-//	fakes -data-path ./data/sv_SE person.last                # just the surname (dotted path)
-//	fakes -data-path ./data sv_SE.person                     # point at the tree, address by folder
-//	fakes -data-path ./data/sv_SE -data-path ./mydata person # layer custom data; last dir wins
-//	fakes -seed 42 -data-path ./data/sv_SE address
+//	fejkdata -data-path ./data/sv_SE person                     # a full person
+//	fejkdata -data-path ./data/sv_SE person.last                # just the surname (dotted path)
+//	fejkdata -data-path ./data sv_SE.person                     # point at the tree, address by folder
+//	fejkdata -data-path ./data/sv_SE -data-path ./mydata person # layer custom data; last dir wins
+//	fejkdata -seed 42 -data-path ./data/sv_SE address
 //
-// It is a thin CLI over the fakes library: New(dirs) then Fake(path).
+// It is a thin CLI over the fejkdata library: New(dirs) then Fake(path).
 package main
 
 import (
@@ -18,10 +18,10 @@ import (
 	"runtime/debug"
 	"strings"
 
-	"github.com/Timewave-AB/fakes"
+	"gitea.larvit.se/larvit/fejkdata"
 )
 
-const usage = `Usage: fakes -data-path D [-data-path D]... [-seed N] [-repeat N] [-separator S] <path>
+const usage = `Usage: fejkdata -data-path D [-data-path D]... [-seed N] [-repeat N] [-separator S] <path>
 
   -data-path D  a data directory, e.g. ./data/sv_SE (repeatable; last wins on clash)
   <path>        a category, or a dotted path into one (person, person.last)
@@ -45,7 +45,7 @@ func main() { os.Exit(run(os.Args[1:], os.Stdout, os.Stderr)) }
 // run is main's testable core: it returns the process exit code (0 ok, 1
 // runtime error, 2 misuse) and writes only to the given streams.
 func run(args []string, stdout, stderr io.Writer) int {
-	fs := flag.NewFlagSet("fakes", flag.ContinueOnError)
+	fs := flag.NewFlagSet("fejkdata", flag.ContinueOnError)
 	fs.SetOutput(stderr)
 	fs.Usage = func() { fmt.Fprintln(stderr, usage) }
 	seed := fs.Uint64("seed", 0, "seed for reproducible output")
@@ -62,7 +62,7 @@ func run(args []string, stdout, stderr io.Writer) int {
 		return 2
 	}
 	if *showVersion {
-		fmt.Fprintln(stdout, "fakes "+buildVersion())
+		fmt.Fprintln(stdout, "fejkdata "+buildVersion())
 		return 0
 	}
 	if len(dirs) == 0 {
@@ -70,15 +70,15 @@ func run(args []string, stdout, stderr io.Writer) int {
 		return 2
 	}
 
-	var opts []fakes.Option
+	var opts []fejkdata.Option
 	fs.Visit(func(fl *flag.Flag) {
 		if fl.Name == "seed" {
-			opts = append(opts, fakes.WithSeed(*seed))
+			opts = append(opts, fejkdata.WithSeed(*seed))
 		}
 	})
 
 	if *list {
-		f, err := fakes.New(dirs, opts...)
+		f, err := fejkdata.New(dirs, opts...)
 		if err != nil {
 			fmt.Fprintln(stderr, err)
 			return 1
@@ -98,7 +98,7 @@ func run(args []string, stdout, stderr io.Writer) int {
 	}
 
 	path := fs.Arg(0)
-	f, err := fakes.New(dirs, opts...)
+	f, err := fejkdata.New(dirs, opts...)
 	if err != nil {
 		fmt.Fprintln(stderr, err)
 		return 1

data.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"encoding/json"

data_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"regexp"
@@ -51,8 +51,8 @@ func TestShippedDataCategories(t *testing.T) {
 			regexp.MustCompile(`^\d{1,3}( \d{3})?(,\d{2})? kr$`)},
 	}
 
-	en := newFakes(t, "data/en_US", WithSeed(1))
-	sv := newFakes(t, "data/sv_SE", WithSeed(1))
+	en := newFejkdata(t, "data/en_US", WithSeed(1))
+	sv := newFejkdata(t, "data/sv_SE", WithSeed(1))
 	for _, c := range cases {
 		for i := 0; i < 200; i++ {
 			if v := fake(t, en, c.path); !c.en.MatchString(v) {
@@ -69,7 +69,7 @@ func TestShippedDataCategories(t *testing.T) {
 // v4 UUID (version/variant nibbles fixed), a MAC address, and credit-card numbers
 // whose trailing {luhn()} check passes.
 func TestShippedMiscCategories(t *testing.T) {
-	f := newFakes(t, "data/misc", WithSeed(1))
+	f := newFejkdata(t, "data/misc", WithSeed(1))
 	v4 := regexp.MustCompile(`^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$`)
 	mac := regexp.MustCompile(`^([0-9a-f]{2}:){5}[0-9a-f]{2}$`)
 	objectid := regexp.MustCompile(`^[0-9a-f]{24}$`)
@@ -93,7 +93,7 @@ func TestShippedMiscCategories(t *testing.T) {
 // codes follow their standard shape, dotted sub-paths resolve, emoji is a real
 // glyph, and a coordinate parses to a point within geographic bounds.
 func TestShippedMiscReferenceData(t *testing.T) {
-	f := newFakes(t, "data/misc", WithSeed(1))
+	f := newFejkdata(t, "data/misc", WithSeed(1))
 	re := map[string]*regexp.Regexp{
 		"currency":        regexp.MustCompile(`^[A-Z]{3}$`),
 		"currency.name":   regexp.MustCompile(`\p{L}`),
@@ -134,7 +134,7 @@ func TestShippedMiscReferenceData(t *testing.T) {
 // TestSwedishPersonNamesHaveNoTripleLetter pins an orthographic rule the shape
 // regexes miss: no generated name repeats a character three times over.
 func TestSwedishPersonNamesHaveNoTripleLetter(t *testing.T) {
-	f := newFakes(t, "data/sv_SE", WithSeed(11))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(11))
 	for _, path := range []string{"person", "person.last"} {
 		for i := 0; i < 20000; i++ {
 			name := fake(t, f, path)
@@ -152,7 +152,7 @@ func TestSwedishPersonNamesHaveNoTripleLetter(t *testing.T) {
 // is a real calendar date (so month-length variants never emit e.g. Apr 31 or
 // Feb 30) and the trailing digit is a valid Luhn checksum over the other nine.
 func TestSwedishPersonnummer(t *testing.T) {
-	sv := newFakes(t, "data/sv_SE", WithSeed(1))
+	sv := newFejkdata(t, "data/sv_SE", WithSeed(1))
 	sawLongMonthEnd := false
 	for i := 0; i < 2000; i++ {
 		v := fake(t, sv, "ssn")
@@ -176,7 +176,7 @@ func TestSwedishPersonnummer(t *testing.T) {
 }
 
 func TestShippedSwedishPhone(t *testing.T) {
-	f := newFakes(t, "data/sv_SE", WithSeed(11))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(11))
 	re := regexp.MustCompile(`^0\d{1,2}-\d{3} \d{2} \d{2}$`)
 	for i := 0; i < 50; i++ {
 		if n := fake(t, f, "phone"); !re.MatchString(n) {
@@ -186,7 +186,7 @@ func TestShippedSwedishPhone(t *testing.T) {
 }
 
 func TestShippedSwedishAddress(t *testing.T) {
-	f := newFakes(t, "data/sv_SE", WithSeed(3))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(3))
 	digit := regexp.MustCompile(`\d`)
 	for i := 0; i < 30; i++ {
 		a := fake(t, f, "address")
@@ -205,7 +205,7 @@ func TestShippedSwedishAddress(t *testing.T) {
 
 func TestShippedPersonHasParts(t *testing.T) {
 	for _, dir := range []string{"data/sv_SE", "data/en_US"} {
-		f := newFakes(t, dir, WithSeed(7))
+		f := newFejkdata(t, dir, WithSeed(7))
 		for i := 0; i < 30; i++ {
 			if name := fake(t, f, "person"); len(name) < 3 || !regexp.MustCompile(`\S \S`).MatchString(name) {
 				t.Fatalf("%s person %q lacks first and last name", dir, name)
@@ -215,7 +215,7 @@ func TestShippedPersonHasParts(t *testing.T) {
 }
 
 func TestShippedUSPhone(t *testing.T) {
-	f := newFakes(t, "data/en_US", WithSeed(11))
+	f := newFejkdata(t, "data/en_US", WithSeed(11))
 	re := regexp.MustCompile(`^(\(\d{3}\) \d{3}-\d{4}|\d{3}-\d{3}-\d{4})$`)
 	for i := 0; i < 50; i++ {
 		if n := fake(t, f, "phone"); !re.MatchString(n) {
@@ -227,7 +227,7 @@ func TestShippedUSPhone(t *testing.T) {
 // TestShippedNamespacedTree loads the whole data/ tree (not a single locale) and
 // reaches each locale through its folder segment: data/sv_SE/person -> sv_SE.person.
 func TestShippedNamespacedTree(t *testing.T) {
-	f := newFakes(t, "data", WithSeed(1))
+	f := newFejkdata(t, "data", WithSeed(1))
 	for _, path := range []string{"sv_SE.person", "en_US.person", "sv_SE.address.locality"} {
 		if got := fake(t, f, path); got == "" {
 			t.Fatalf("Fake(%q) returned empty", path)

edge_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"encoding/json"
@@ -240,7 +240,7 @@ func TestPathThroughChoice(t *testing.T) {
 		"notall": `[{"format":"{f}","f":["1"]},["plain"]]`,
 		"some":   `[{"format":"{f}","f":["1"]},{"format":"{f}","f":["2"],"extra":["x"]}]`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	for i := 0; i < 200; i++ {
 		if got := fake(t, f, "every.f"); got != "1" && got != "2" {
 			t.Fatalf("every.f = %q, want 1 or 2", got)
@@ -277,7 +277,7 @@ func TestPathKeyIsUnambiguous(t *testing.T) {
 		t.Fatalf("New = %v, want the dotted field name rejected", err)
 	}
 	// The same data without the dotted key is fine, and the path resolves.
-	f := newFakes(t, writeData(t, map[string]string{
+	f := newFejkdata(t, writeData(t, map[string]string{
 		"cat": `{"format":"{a.b}","a":{"format":"{b}","b":["2"]}}`,
 	}), WithSeed(1))
 	if !slices.Contains(f.List(), "cat.a.b") {
@@ -292,7 +292,7 @@ func TestPathKeyIsUnambiguous(t *testing.T) {
 // single-variant choice always picks the same item, so it needs no every-variant
 // guard and the error can name the field that is missing.
 func TestMissingFieldNamesItself(t *testing.T) {
-	f := newFakes(t, "data/sv_SE", WithSeed(1))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(1))
 	_, err := f.Fake("person.typo")
 	if err == nil || !strings.Contains(err.Error(), `no field "typo"`) {
 		t.Errorf("Fake(person.typo) = %v, want it to name the missing field", err)
@@ -306,7 +306,7 @@ func TestCategoryRootShapes(t *testing.T) {
 		"obj": `{"format":"00"}`, // object root
 		"lit": `"hello"`,         // bare-string root
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "obj"); !regexp.MustCompile(`^\d\d$`).MatchString(got) {
 		t.Errorf("object-root category = %q, want two digits", got)
 	}
@@ -327,7 +327,7 @@ func TestLongStringList(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	f := newFakes(t, writeData(t, map[string]string{"name": string(list)}), WithSeed(1))
+	f := newFejkdata(t, writeData(t, map[string]string{"name": string(list)}), WithSeed(1))
 
 	valid := map[string]bool{}
 	for _, v := range names {
@@ -355,7 +355,7 @@ var swedishName = regexp.MustCompile(`^\p{L}+([ -]\p{L}+)*$`)
 
 func TestShippedStreetComposition(t *testing.T) {
 	// street is a choice of composed {first}{last} templates and literal names.
-	f := newFakes(t, "data/sv_SE", WithSeed(5))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(5))
 	for i := 0; i < 300; i++ {
 		if s := fake(t, f, "address.street"); !swedishName.MatchString(s) {
 			t.Fatalf("street %q is not a Swedish street name", s)
@@ -366,7 +366,7 @@ func TestShippedStreetComposition(t *testing.T) {
 func TestShippedLastNameComposition(t *testing.T) {
 	// last is a choice of patronymic {first}sson templates, compound
 	// {first}{last} templates and literal surnames.
-	f := newFakes(t, "data/sv_SE", WithSeed(6))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(6))
 	for i := 0; i < 300; i++ {
 		if s := fake(t, f, "person.last"); !swedishName.MatchString(s) {
 			t.Fatalf("last name %q is not a Swedish surname", s)
@@ -376,7 +376,7 @@ func TestShippedLastNameComposition(t *testing.T) {
 
 func TestShippedStreetNumberFormats(t *testing.T) {
 	// Reachable via a hyphenated path; covers all five weighted number variants.
-	f := newFakes(t, "data/sv_SE", WithSeed(8))
+	f := newFejkdata(t, "data/sv_SE", WithSeed(8))
 	re := regexp.MustCompile(`^[1-9]\d{0,2}[A-Z]?$`)
 	for i := 0; i < 300; i++ {
 		if n := fake(t, f, "address.street-number"); !re.MatchString(n) {

fejkdata.go

@@ -1,10 +1,10 @@
-// Package fakes generates fake data from recursive JSON templates.
+// Package fejkdata generates fake data from recursive JSON templates.
 //
 // Data lives in JSON on disk, not in Go. Point [New] at one or more data
 // directories; folders and files become a dot-path namespace, then generate
 // values by path:
 //
-//	f, _ := fakes.New([]string{"./data/sv_SE"}, fakes.WithSeed(42))
+//	f, _ := fejkdata.New([]string{"./data/sv_SE"}, fejkdata.WithSeed(42))
 //	f.Fake("address")          // "Storgatan 12\n234 56 Göteborg"
 //	f.Fake("address.locality") // "Göteborg"
 //
@@ -13,8 +13,8 @@
 // the last one wins on a name clash, so you can layer custom data over the
 // built-ins. The JSON template format is documented in the README.
 //
-// A [Fakes] is not safe for concurrent use; create one per goroutine.
-package fakes
+// A [Fejkdata] is not safe for concurrent use; create one per goroutine.
+package fejkdata
 
 import (
 	crand "crypto/rand"
@@ -24,14 +24,14 @@ import (
 	"sort"
 )
 
-// Fakes generates fake data from a loaded namespace tree. Create one with [New].
-type Fakes struct {
+// Fejkdata generates fake data from a loaded namespace tree. Create one with [New].
+type Fejkdata struct {
 	rand       *session
 	categories map[string]node // root namespace: name -> compiled node tree
 }
 
 // session is one faker's mutable render state: the seeded rng plus the {seq()}
-// counters. Scoping it to the Fakes means sequences (and randomness) belong to
+// counters. Scoping it to the Fejkdata means sequences (and randomness) belong to
 // that faker and reset when you create a new one. Embedding *rand.Rand makes a
 // *session satisfy the rng interface the renderer draws from.
 type session struct {
@@ -50,7 +50,7 @@ type config struct {
 	seeded bool
 }
 
-// Option configures a [Fakes].
+// Option configures a [Fejkdata].
 type Option func(*config)
 
 // WithSeed makes output reproducible: two fakers with the same seed and locale
@@ -64,16 +64,16 @@ func WithSeed(seed uint64) Option {
 // "address") and each subdirectory a namespace segment; directories are merged
 // in order, the last winning a name clash. It errors on a missing directory,
 // invalid JSON, or no data found.
-func New(paths []string, opts ...Option) (*Fakes, error) {
+func New(paths []string, opts ...Option) (*Fejkdata, error) {
 	cats, err := loadData(paths)
 	if err != nil {
-		return nil, fmt.Errorf("fakes: %w", err)
+		return nil, fmt.Errorf("fejkdata: %w", err)
 	}
 	var c config
 	for _, opt := range opts {
 		opt(&c)
 	}
-	return &Fakes{rand: newRand(c.seed, c.seeded), categories: cats}, nil
+	return &Fejkdata{rand: newRand(c.seed, c.seeded), categories: cats}, nil
 }
 
 // List returns the sorted dotted paths Fake can render: every category, the dotted
@@ -81,7 +81,7 @@ func New(paths []string, opts ...Option) (*Fakes, error) {
 // single-variant choices the way a reference does. A choice consumes no segment, so
 // a path continues through a multi-variant one only where every variant carries it,
 // which is the rule Fake applies too: List is the set of paths Fake accepts.
-func (f *Fakes) List() []string {
+func (f *Fejkdata) List() []string {
 	var out []string
 	for _, name := range sortedNames(f.categories) {
 		for _, p := range paths(f.categories[name]) {

fejkdata_test.go

@@ -1,18 +1,18 @@
-package fakes
+package fejkdata
 
 import (
 	"strings"
 	"testing"
 )
 
-// newFakes creates a faker over a single data directory, failing on error. Most
-// tests load one dir; newFakesN loads several (last-loaded wins on conflicts).
-func newFakes(t *testing.T, dir string, opts ...Option) *Fakes {
+// newFejkdata creates a faker over a single data directory, failing on error. Most
+// tests load one dir; newFejkdataN loads several (last-loaded wins on conflicts).
+func newFejkdata(t *testing.T, dir string, opts ...Option) *Fejkdata {
 	t.Helper()
-	return newFakesN(t, []string{dir}, opts...)
+	return newFejkdataN(t, []string{dir}, opts...)
 }
 
-func newFakesN(t *testing.T, dirs []string, opts ...Option) *Fakes {
+func newFejkdataN(t *testing.T, dirs []string, opts ...Option) *Fejkdata {
 	t.Helper()
 	f, err := New(dirs, opts...)
 	if err != nil {
@@ -22,7 +22,7 @@ func newFakesN(t *testing.T, dirs []string, opts ...Option) *Fakes {
 }
 
 // fake generates a value, failing the test on error.
-func fake(t *testing.T, f *Fakes, path string) string {
+func fake(t *testing.T, f *Fejkdata, path string) string {
 	t.Helper()
 	s, err := f.Fake(path)
 	if err != nil {
@@ -39,7 +39,7 @@ func TestNewMissingDirectory(t *testing.T) {
 }
 
 func TestWithSeedIsDeterministic(t *testing.T) {
-	a, b := newFakes(t, "data/sv_SE", WithSeed(42)), newFakes(t, "data/sv_SE", WithSeed(42))
+	a, b := newFejkdata(t, "data/sv_SE", WithSeed(42)), newFejkdata(t, "data/sv_SE", WithSeed(42))
 	for i := 0; i < 50; i++ {
 		if x, y := fake(t, a, "person"), fake(t, b, "person"); x != y {
 			t.Fatalf("same seed diverged at %d: %q != %q", i, x, y)
@@ -48,7 +48,7 @@ func TestWithSeedIsDeterministic(t *testing.T) {
 }
 
 func TestDifferentSeedsDiffer(t *testing.T) {
-	a, b := newFakes(t, "data/en_US", WithSeed(1)), newFakes(t, "data/en_US", WithSeed(2))
+	a, b := newFejkdata(t, "data/en_US", WithSeed(1)), newFejkdata(t, "data/en_US", WithSeed(2))
 	for i := 0; i < 50; i++ {
 		if fake(t, a, "person") != fake(t, b, "person") {
 			return

go.mod

@@ -1,3 +1,3 @@
-module github.com/Timewave-AB/fakes
+module gitea.larvit.se/larvit/fejkdata
 
 go 1.22

loading_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"os"
@@ -21,7 +21,7 @@ func TestList(t *testing.T) {
 		// Only the fields every variant carries are addressable, so "extra" is not.
 		"coin": `[{"format":"{code}","code":["A"],"name":["Aa"]},{"format":"{code}","code":["B"],"name":["Bb"],"extra":["x"]}]`,
 	})
-	got := newFakes(t, dir, WithSeed(1)).List()
+	got := newFejkdata(t, dir, WithSeed(1)).List()
 	want := []string{"coin", "coin.code", "coin.name", "geo.city", "greeting", "greeting.own", "person", "person.first", "person.last", "word"}
 	if !reflect.DeepEqual(got, want) {
 		t.Fatalf("List() = %v, want %v", got, want)
@@ -50,7 +50,7 @@ func writeData(t *testing.T, files map[string]string) string {
 func TestNewLoadsAnyDirName(t *testing.T) {
 	// No locale tag required: a directory named anything loads fine.
 	dir := writeData(t, map[string]string{"greeting": `["hej", "hallå"]`})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "greeting"); got != "hej" && got != "hallå" {
 		t.Fatalf("greeting = %q, want hej or hallå", got)
 	}
@@ -69,7 +69,7 @@ func TestFoldersBecomeDotPaths(t *testing.T) {
 		"sv_SE/greeting": `["hej"]`,
 		"en_US/greeting": `["hi"]`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "sv_SE.greeting"); got != "hej" {
 		t.Fatalf("sv_SE.greeting = %q, want hej", got)
 	}
@@ -84,7 +84,7 @@ func TestNestedFoldersAndJSON(t *testing.T) {
 	dir := writeData(t, map[string]string{
 		"a/b/c/thing": `{"format":"{x}","x":{"format":"{y}","y":{"format":"{z}","z":["leaf"]}}}`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	// Folders a.b.c, file thing, then JSON fields x.y.z — one continuous path.
 	if got := fake(t, f, "a.b.c.thing.x.y.z"); got != "leaf" {
 		t.Fatalf("a.b.c.thing.x.y.z = %q, want leaf", got)
@@ -97,7 +97,7 @@ func TestNestedFoldersAndJSON(t *testing.T) {
 
 func TestRenderingAFolderErrors(t *testing.T) {
 	dir := writeData(t, map[string]string{"sv_SE/greeting": `["hej"]`})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if _, err := f.Fake("sv_SE"); err == nil {
 		t.Fatal("Fake(folder) = nil error, want a not-a-value error")
 	}
@@ -108,7 +108,7 @@ func TestRenderingAFolderErrors(t *testing.T) {
 func TestMultiPathLastWins(t *testing.T) {
 	a := writeData(t, map[string]string{"greeting": `["from-a"]`, "only-a": `["a"]`})
 	b := writeData(t, map[string]string{"greeting": `["from-b"]`, "only-b": `["b"]`})
-	f := newFakesN(t, []string{a, b}, WithSeed(1))
+	f := newFejkdataN(t, []string{a, b}, WithSeed(1))
 	if got := fake(t, f, "greeting"); got != "from-b" {
 		t.Fatalf("greeting = %q, want from-b (last loaded wins)", got)
 	}
@@ -126,7 +126,7 @@ func TestMultiPathLastWins(t *testing.T) {
 func TestMultiPathMergesFolders(t *testing.T) {
 	a := writeData(t, map[string]string{"sv_SE/person": `["from-a"]`, "sv_SE/shared": `["a"]`})
 	b := writeData(t, map[string]string{"sv_SE/company": `["from-b"]`, "sv_SE/shared": `["b"]`})
-	f := newFakesN(t, []string{a, b}, WithSeed(1))
+	f := newFejkdataN(t, []string{a, b}, WithSeed(1))
 	if got := fake(t, f, "sv_SE.person"); got != "from-a" {
 		t.Fatalf("sv_SE.person = %q, want from-a (folder merged, not replaced)", got)
 	}
@@ -142,7 +142,7 @@ func TestMultiPathMergesFolders(t *testing.T) {
 // tree: everything List advertises renders, every time, and the sub-fields the
 // README advertises are discoverable.
 func TestListedPathsAllRender(t *testing.T) {
-	f := newFakes(t, "data", WithSeed(4))
+	f := newFejkdata(t, "data", WithSeed(4))
 	paths := f.List()
 	for _, p := range paths {
 		for i := 0; i < 20; i++ {
@@ -171,7 +171,7 @@ func TestHiddenEntriesAreSkipped(t *testing.T) {
 	if err := os.Rename(filepath.Join(dir, "empty.folder", "doc.json"), filepath.Join(dir, "empty.folder", "doc.txt")); err != nil {
 		t.Fatal(err)
 	}
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "cat"); got != "V" {
 		t.Fatalf("cat = %q, want V", got)
 	}

node.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"

reference.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"

reference_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import "testing"
 
@@ -9,7 +9,7 @@ func TestRootReferenceAcrossFolders(t *testing.T) {
 		"en_US/person":   `["Pat Smith"]`,
 		"sv_SE/greeting": `{"format":"Hej, {..en_US.person}!"}`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "sv_SE.greeting"); got != "Hej, Pat Smith!" {
 		t.Fatalf("greeting = %q, want \"Hej, Pat Smith!\"", got)
 	}
@@ -22,7 +22,7 @@ func TestReferenceIntoAField(t *testing.T) {
 		"who":  `[{"format":"{first} {last}","first":["Ada"],"last":["Byron"]}]`,
 		"card": `{"format":"signed {..who.last}"}`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "card"); got != "signed Byron" {
 		t.Fatalf("card = %q, want \"signed Byron\"", got)
 	}
@@ -35,7 +35,7 @@ func TestReferenceInAlternation(t *testing.T) {
 		"far":  `["X"]`,
 		"near": `{"format":"{here|..far}","here":["H"]}`,
 	})
-	f := newFakes(t, dir, WithSeed(2))
+	f := newFejkdata(t, dir, WithSeed(2))
 	seen := map[string]bool{}
 	for i := 0; i < 100; i++ {
 		seen[fake(t, f, "near")] = true
@@ -50,7 +50,7 @@ func TestReferenceInAlternation(t *testing.T) {
 func TestReferenceCombinesLoadedPaths(t *testing.T) {
 	a := writeData(t, map[string]string{"en_US/word": `["river"]`})
 	b := writeData(t, map[string]string{"mine/slug": `{"format":"the-{..en_US.word}"}`})
-	f := newFakesN(t, []string{a, b}, WithSeed(1))
+	f := newFejkdataN(t, []string{a, b}, WithSeed(1))
 	if got := fake(t, f, "mine.slug"); got != "the-river" {
 		t.Fatalf("slug = %q, want the-river", got)
 	}
@@ -64,7 +64,7 @@ func TestReferenceChain(t *testing.T) {
 		"b": `{"format":"{..c}"}`,
 		"c": `["deep"]`,
 	})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "a"); got != "deep" {
 		t.Fatalf("a = %q, want deep", got)
 	}
@@ -118,7 +118,7 @@ func TestReferenceErrors(t *testing.T) {
 // starting with the reference prefix is covered by that same rule, since ".."
 // starts with "." — it is skipped, not rejected.
 func TestDotPrefixedDataEntriesAreSkipped(t *testing.T) {
-	f := newFakes(t, writeData(t, map[string]string{
+	f := newFejkdata(t, writeData(t, map[string]string{
 		"sv_SE/ok":     `["fine"]`,
 		"sv_SE/..bad":  `{"format":"{..nope}"}`,
 		"sv_SE/..y/ct": `{"format":"{..nope}"}`,
@@ -134,7 +134,7 @@ func TestDotPrefixedDataEntriesAreSkipped(t *testing.T) {
 // category, which terminates, and stays renderable by path.
 func TestReferenceFromUnrenderedFieldTerminates(t *testing.T) {
 	dir := writeData(t, map[string]string{"cat": `{"format":"hi","x":{"format":"see {..cat}"}}`})
-	f := newFakes(t, dir, WithSeed(1))
+	f := newFejkdata(t, dir, WithSeed(1))
 	if got := fake(t, f, "cat"); got != "hi" {
 		t.Fatalf("cat = %q, want hi", got)
 	}
@@ -189,12 +189,12 @@ func TestNewErrorPathIsCanonical(t *testing.T) {
 		{
 			"cycle inside a choice arm",
 			map[string]string{"cat": `[{"format":"hi","x":{"format":"{..cat.x}"}}]`},
-			"fakes: reference cycle: cat.x -> ..cat.x",
+			"fejkdata: reference cycle: cat.x -> ..cat.x",
 		},
 		{
 			"bad reference reached through another reference",
 			map[string]string{"a": `{"format":"{..b}"}`, "b": `{"format":"{..nope}"}`},
-			`fakes: b: reference {..nope}: no entry "nope"`,
+			`fejkdata: b: reference {..nope}: no entry "nope"`,
 		},
 	}
 	for _, c := range cases {

render.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"
@@ -17,13 +17,13 @@ type rng interface {
 // names and the category (JSON file) come first, then named fields within it,
 // e.g. "sv_SE.address" or "sv_SE.address.street". Choices along the way are
 // resolved at random. A path naming a folder (no value of its own) is an error.
-func (f *Fakes) Fake(path string) (string, error) {
+func (f *Fejkdata) Fake(path string) (string, error) {
 	n, err := descend(f.rand, &group{children: f.categories}, strings.Split(path, "."))
 	if err != nil {
-		return "", fmt.Errorf("fakes: %s: %w", path, err)
+		return "", fmt.Errorf("fejkdata: %s: %w", path, err)
 	}
 	if _, ok := n.(*group); ok {
-		return "", fmt.Errorf("fakes: %s names a folder, not a value", path)
+		return "", fmt.Errorf("fejkdata: %s names a folder, not a value", path)
 	}
 	return render(f.rand, n), nil
 }
@@ -101,7 +101,7 @@ func render(s *session, n node) string {
 		}
 		return b.String()
 	default:
-		panic(fmt.Sprintf("fakes: uncompiled node %T", n))
+		panic(fmt.Sprintf("fejkdata: uncompiled node %T", n))
 	}
 }
 
@@ -225,11 +225,11 @@ func readField(s *session, t *template, held *draws, a arm) string {
 func child(n node, seg string) node {
 	t, ok := n.(*template)
 	if !ok {
-		panic(fmt.Sprintf("fakes: %q under %T, which carries no fields", seg, n))
+		panic(fmt.Sprintf("fejkdata: %q under %T, which carries no fields", seg, n))
 	}
 	c, ok := t.fields[seg]
 	if !ok {
-		panic(fmt.Sprintf("fakes: no field %q under a drawn level", seg))
+		panic(fmt.Sprintf("fejkdata: no field %q under a drawn level", seg))
 	}
 	return c
 }

template.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"fmt"

template_stability_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import "testing"
 
@@ -31,7 +31,7 @@ func TestSeededOutputIsStable(t *testing.T) {
 		"weights": {"big", "big", "big", "big"},
 	}
 	for path := range want {
-		f := newFakes(t, dir, WithSeed(42))
+		f := newFejkdata(t, dir, WithSeed(42))
 		for i, expect := range want[path] {
 			if got := fake(t, f, path); got != expect {
 				t.Errorf("%s draw %d = %q, want %q", path, i, got, expect)

template_test.go

@@ -1,4 +1,4 @@
-package fakes
+package fejkdata
 
 import (
 	"encoding/json"
@@ -8,7 +8,7 @@ import (
 )
 
 // engine builds a seeded faker with no loaded categories, for rendering tests.
-func engine(seed uint64) *Fakes { return &Fakes{rand: newRand(seed, true)} }
+func engine(seed uint64) *Fejkdata { return &Fejkdata{rand: newRand(seed, true)} }
 
 // parse unmarshals a JSON template fragment into its dynamic form.
 func parse(t *testing.T, s string) any {
@@ -30,7 +30,7 @@ func compiled(t *testing.T, s string) node {
 	return n
 }
 
-func mustRender(t *testing.T, f *Fakes, s string) string {
+func mustRender(t *testing.T, f *Fejkdata, s string) string {
 	t.Helper()
 	return render(f.rand, compiled(t, s))
 }