From 6b7cc0cd671db9c8ff89eea1686099c48dba412a Mon Sep 17 00:00:00 2001
From: Nick White <git@njw.name>
Date: Mon, 13 May 2019 17:28:38 +0100
Subject: Make cleanup a basic library

---
 cleanup/main_test.go | 105 ---------------------------------------------------
 1 file changed, 105 deletions(-)
 delete mode 100644 cleanup/main_test.go

(limited to 'cleanup/main_test.go')

diff --git a/cleanup/main_test.go b/cleanup/main_test.go
deleted file mode 100644
index 3c3ce0c..0000000
--- a/cleanup/main_test.go
+++ /dev/null
@@ -1,105 +0,0 @@
-package main
-
-// TODO: add different pages as test cases
-// TODO: test non integral img version
-
-import (
-	"flag"
-	"fmt"
-	"image"
-	"image/draw"
-	"image/png"
-	"os"
-	"testing"
-
-	"rescribe.xyz/go.git/binarize"
-)
-
-var update = flag.Bool("update", false, "update golden files")
-
-func decode(s string) (*image.Gray, error) {
-	f, err := os.Open(s)
-	defer f.Close()
-	if err != nil {
-		return nil, err
-	}
-	img, err := png.Decode(f)
-	if err != nil {
-		return nil, err
-	}
-	b := img.Bounds()
-	gray := image.NewGray(image.Rect(0, 0, b.Dx(), b.Dy()))
-	draw.Draw(gray, b, img, b.Min, draw.Src)
-	return gray, nil
-}
-
-func imgsequal(img1 *image.Gray, img2 *image.Gray) bool {
-	b := img1.Bounds()
-	if !b.Eq(img2.Bounds()) {
-		return false
-	}
-	for y := b.Min.Y; y < b.Max.Y; y++ {
-		for x := b.Min.X; x < b.Max.X; x++ {
-			r0, g0, b0, a0 := img1.At(x, y).RGBA()
-			r1, g1, b1, a1 := img2.At(x, y).RGBA()
-			if r0 != r1 {
-				return false
-			}
-			if g0 != g1 {
-				return false
-			}
-			if b0 != b1 {
-				return false
-			}
-			if a0 != a1 {
-				return false
-			}
-		}
-	}
-	return true
-}
-
-func TestWipeSides(t *testing.T) {
-	cases := []struct {
-		name   string
-		orig   string
-		golden string
-		thresh float64
-		wsize  int
-	}{
-		{"integralwipesides", "testdata/pg1.png", "testdata/pg1_integralwipesides_t0.02_w5.png", 0.02, 5},
-		{"integralwipesides", "testdata/pg1.png", "testdata/pg1_integralwipesides_t0.05_w5.png", 0.05, 5},
-		{"integralwipesides", "testdata/pg1.png", "testdata/pg1_integralwipesides_t0.05_w25.png", 0.05, 25},
-	}
-
-	for _, c := range cases {
-		t.Run(fmt.Sprintf("%s_%0.2f_%d", c.name, c.thresh, c.wsize), func(t *testing.T) {
-			var actual *image.Gray
-			orig, err := decode(c.orig)
-			if err != nil {
-				t.Fatalf("Could not open file %s: %v\n", c.orig, err)
-			}
-			integral := binarize.Integralimg(orig)
-			lowedge, highedge := findedges(integral, c.wsize, c.thresh)
-			actual = wipesides(orig, lowedge, highedge)
-			if *update {
-				f, err := os.Create(c.golden)
-				defer f.Close()
-				if err != nil {
-					t.Fatalf("Could not open file %s to update: %v\n", c.golden, err)
-				}
-				err = png.Encode(f, actual)
-				if err != nil {
-					t.Fatalf("Could not encode update of %s: %v\n", c.golden, err)
-				}
-			}
-			golden, err := decode(c.golden)
-			if err != nil {
-				t.Fatalf("Could not open file %s: %v\n", c.golden, err)
-			}
-			if !imgsequal(golden, actual) {
-				t.Errorf("Processed %s differs to %s\n", c.orig, c.golden)
-			}
-		})
-	}
-}
-- 
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