This closes #752, fix incorrectly merged cells on duplicate row, and new...

This closes #752, fix incorrectly merged cells on duplicate row, and new formula function: LOWER, PROPER, UPPER

README.md

@@ -97,7 +97,7 @@ func main() {
 
 ### Add chart to spreadsheet file
 
-With Excelize chart generation and management is as easy as a few lines of code. You can build charts based off data in your worksheet or generate charts without any data in your worksheet at all.
+With Excelize chart generation and management is as easy as a few lines of code. You can build charts based on data in your worksheet or generate charts without any data in your worksheet at all.
 
 <p align="center"><img width="650" src="./test/images/chart.png" alt="Excelize"></p>
 
@@ -111,8 +111,10 @@ import (
 )
 
 func main() {
-    categories := map[string]string{"A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
-    values := map[string]int{"B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
+    categories := map[string]string{
+        "A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
+    values := map[string]int{
+        "B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
     f := excelize.NewFile()
     for k, v := range categories {
         f.SetCellValue("Sheet1", k, v)
@@ -120,7 +122,29 @@ func main() {
     for k, v := range values {
         f.SetCellValue("Sheet1", k, v)
     }
-    if err := f.AddChart("Sheet1", "E1", `{"type":"col3DClustered","series":[{"name":"Sheet1!$A$2","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"},{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"title":{"name":"Fruit 3D Clustered Column Chart"}}`); err != nil {
+    if err := f.AddChart("Sheet1", "E1", `{
+        "type": "col3DClustered",
+        "series": [
+        {
+            "name": "Sheet1!$A$2",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$2:$D$2"
+        },
+        {
+            "name": "Sheet1!$A$3",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$3:$D$3"
+        },
+        {
+            "name": "Sheet1!$A$4",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$4:$D$4"
+        }],
+        "title":
+        {
+            "name": "Fruit 3D Clustered Column Chart"
+        }
+    }`); err != nil {
         fmt.Println(err)
         return
     }
@@ -156,11 +180,18 @@ func main() {
         fmt.Println(err)
     }
     // Insert a picture to worksheet with scaling.
-    if err := f.AddPicture("Sheet1", "D2", "image.jpg", `{"x_scale": 0.5, "y_scale": 0.5}`); err != nil {
+    if err := f.AddPicture("Sheet1", "D2", "image.jpg",
+        `{"x_scale": 0.5, "y_scale": 0.5}`); err != nil {
         fmt.Println(err)
     }
     // Insert a picture offset in the cell with printing support.
-    if err := f.AddPicture("Sheet1", "H2", "image.gif", `{"x_offset": 15, "y_offset": 10, "print_obj": true, "lock_aspect_ratio": false, "locked": false}`); err != nil {
+    if err := f.AddPicture("Sheet1", "H2", "image.gif", `{
+        "x_offset": 15,
+        "y_offset": 10,
+        "print_obj": true,
+        "lock_aspect_ratio": false,
+        "locked": false
+    }`); err != nil {
         fmt.Println(err)
     }
     // Save the spreadsheet with the origin path.

README_zh.md

@@ -99,7 +99,7 @@ func main() {
 
 使用 Excelize 生成图表十分简单，仅需几行代码。您可以根据工作表中的已有数据构建图表，或向工作表中添加数据并创建图表。
 
-<p align="center"><img width="650" src="./test/images/chart.png" alt="Excelize"></p>
+<p align="center"><img width="650" src="./test/images/chart.png" alt="使用 Excelize 在 Excel 电子表格文档中创建图表"></p>
 
 ```go
 package main
@@ -111,8 +111,10 @@ import (
 )
 
 func main() {
-    categories := map[string]string{"A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
-    values := map[string]int{"B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
+    categories := map[string]string{
+        "A2": "Small", "A3": "Normal", "A4": "Large", "B1": "Apple", "C1": "Orange", "D1": "Pear"}
+    values := map[string]int{
+        "B2": 2, "C2": 3, "D2": 3, "B3": 5, "C3": 2, "D3": 4, "B4": 6, "C4": 7, "D4": 8}
     f := excelize.NewFile()
     for k, v := range categories {
         f.SetCellValue("Sheet1", k, v)
@@ -120,7 +122,29 @@ func main() {
     for k, v := range values {
         f.SetCellValue("Sheet1", k, v)
     }
-    if err := f.AddChart("Sheet1", "E1", `{"type":"col3DClustered","series":[{"name":"Sheet1!$A$2","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$2:$D$2"},{"name":"Sheet1!$A$3","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$3:$D$3"},{"name":"Sheet1!$A$4","categories":"Sheet1!$B$1:$D$1","values":"Sheet1!$B$4:$D$4"}],"title":{"name":"Fruit 3D Clustered Column Chart"}}`); err != nil {
+    if err := f.AddChart("Sheet1", "E1", `{
+        "type": "col3DClustered",
+        "series": [
+        {
+            "name": "Sheet1!$A$2",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$2:$D$2"
+        },
+        {
+            "name": "Sheet1!$A$3",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$3:$D$3"
+        },
+        {
+            "name": "Sheet1!$A$4",
+            "categories": "Sheet1!$B$1:$D$1",
+            "values": "Sheet1!$B$4:$D$4"
+        }],
+        "title":
+        {
+            "name": "Fruit 3D Clustered Column Chart"
+        }
+    }`); err != nil {
         fmt.Println(err)
         return
     }
@@ -156,11 +180,18 @@ func main() {
         fmt.Println(err)
     }
     // 在工作表中插入图片，并设置图片的缩放比例
-    if err := f.AddPicture("Sheet1", "D2", "image.jpg", `{"x_scale": 0.5, "y_scale": 0.5}`); err != nil {
+    if err := f.AddPicture("Sheet1", "D2", "image.jpg",
+        `{"x_scale": 0.5, "y_scale": 0.5}`); err != nil {
         fmt.Println(err)
     }
     // 在工作表中插入图片，并设置图片的打印属性
-    if err := f.AddPicture("Sheet1", "H2", "image.gif", `{"x_offset": 15, "y_offset": 10, "print_obj": true, "lock_aspect_ratio": false, "locked": false}`); err != nil {
+    if err := f.AddPicture("Sheet1", "H2", "image.gif", `{
+        "x_offset": 15,
+        "y_offset": 10,
+        "print_obj": true,
+        "lock_aspect_ratio": false,
+        "locked": false
+    }`); err != nil {
         fmt.Println(err)
     }
     // 保存文件

calc_test.go

@@ -470,6 +470,21 @@ func TestCalcCellValue(t *testing.T) {
 		// TRIM
 		"=TRIM(\" trim text \")": "trim text",
 		"=TRIM(0)":               "0",
+		// LOWER
+		"=LOWER(\"test\")":     "test",
+		"=LOWER(\"TEST\")":     "test",
+		"=LOWER(\"Test\")":     "test",
+		"=LOWER(\"TEST 123\")": "test 123",
+		// PROPER
+		"=PROPER(\"this is a test sentence\")": "This Is A Test Sentence",
+		"=PROPER(\"THIS IS A TEST SENTENCE\")": "This Is A Test Sentence",
+		"=PROPER(\"123tEST teXT\")":            "123Test Text",
+		"=PROPER(\"Mr. SMITH's address\")":     "Mr. Smith'S Address",
+		// UPPER
+		"=UPPER(\"test\")":     "TEST",
+		"=UPPER(\"TEST\")":     "TEST",
+		"=UPPER(\"Test\")":     "TEST",
+		"=UPPER(\"TEST 123\")": "TEST 123",
 	}
 	for formula, expected := range mathCalc {
 		f := prepareData()
@@ -793,6 +808,15 @@ func TestCalcCellValue(t *testing.T) {
 		// TRIM
 		"=TRIM()":    "TRIM requires 1 argument",
 		"=TRIM(1,2)": "TRIM requires 1 argument",
+		// LOWER
+		"=LOWER()":    "LOWER requires 1 argument",
+		"=LOWER(1,2)": "LOWER requires 1 argument",
+		// UPPER
+		"=UPPER()":    "UPPER requires 1 argument",
+		"=UPPER(1,2)": "UPPER requires 1 argument",
+		// PROPER
+		"=PROPER()":    "PROPER requires 1 argument",
+		"=PROPER(1,2)": "PROPER requires 1 argument",
 	}
 	for formula, expected := range mathCalcError {
 		f := prepareData()

rows.go

@@ -602,7 +602,6 @@ func (f *File) duplicateMergeCells(sheet string, ws *xlsxWorksheet, row, row2 in
 			if err := f.MergeCell(sheet, from, to); err != nil {
 				return err
 			}
-			i++
 		}
 	}
 	return nil

rows_test.go

@@ -323,7 +323,7 @@ func TestDuplicateRowFromSingleRow(t *testing.T) {
 		assert.NoError(t, f.SetCellStr(sheet, "B1", cells["B1"]))
 
 		assert.NoError(t, f.DuplicateRow(sheet, 1))
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.FromSingleRow_1"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "FromSingleRow_1"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -339,7 +339,7 @@ func TestDuplicateRowFromSingleRow(t *testing.T) {
 		}
 
 		assert.NoError(t, f.DuplicateRow(sheet, 2))
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.FromSingleRow_2"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "FromSingleRow_2"))) {
 			t.FailNow()
 		}
 		expect = map[string]string{
@@ -380,7 +380,7 @@ func TestDuplicateRowUpdateDuplicatedRows(t *testing.T) {
 		assert.NoError(t, f.SetCellStr(sheet, "A2", cells["A2"]))
 		assert.NoError(t, f.SetCellStr(sheet, "B2", cells["B2"]))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.UpdateDuplicatedRows"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "UpdateDuplicatedRows"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -423,7 +423,7 @@ func TestDuplicateRowFirstOfMultipleRows(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRow(sheet, 1))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.FirstOfMultipleRows"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "FirstOfMultipleRows"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -451,7 +451,7 @@ func TestDuplicateRowZeroWithNoRows(t *testing.T) {
 
 		assert.EqualError(t, f.DuplicateRow(sheet, 0), "invalid row number 0")
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.ZeroWithNoRows"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "ZeroWithNoRows"))) {
 			t.FailNow()
 		}
 
@@ -493,7 +493,7 @@ func TestDuplicateRowMiddleRowOfEmptyFile(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRow(sheet, 99))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.MiddleRowOfEmptyFile"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "MiddleRowOfEmptyFile"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -537,7 +537,7 @@ func TestDuplicateRowWithLargeOffsetToMiddleOfData(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRowTo(sheet, 1, 3))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.WithLargeOffsetToMiddleOfData"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "WithLargeOffsetToMiddleOfData"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -582,7 +582,7 @@ func TestDuplicateRowWithLargeOffsetToEmptyRows(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRowTo(sheet, 1, 7))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.WithLargeOffsetToEmptyRows"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "WithLargeOffsetToEmptyRows"))) {
 			t.FailNow()
 		}
 		expect := map[string]string{
@@ -627,7 +627,7 @@ func TestDuplicateRowInsertBefore(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRowTo(sheet, 2, 1))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.InsertBefore"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "InsertBefore"))) {
 			t.FailNow()
 		}
 
@@ -673,7 +673,7 @@ func TestDuplicateRowInsertBeforeWithLargeOffset(t *testing.T) {
 
 		assert.NoError(t, f.DuplicateRowTo(sheet, 3, 1))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.InsertBeforeWithLargeOffset"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "InsertBeforeWithLargeOffset"))) {
 			t.FailNow()
 		}
 
@@ -722,7 +722,7 @@ func TestDuplicateRowInsertBeforeWithMergeCells(t *testing.T) {
 		assert.NoError(t, f.DuplicateRowTo(sheet, 2, 1))
 		assert.NoError(t, f.DuplicateRowTo(sheet, 1, 8))
 
-		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "TestDuplicateRow.InsertBeforeWithMergeCells"))) {
+		if !assert.NoError(t, f.SaveAs(fmt.Sprintf(outFile, "InsertBeforeWithMergeCells"))) {
 			t.FailNow()
 		}
 
@@ -742,9 +742,9 @@ func TestDuplicateRowInsertBeforeWithMergeCells(t *testing.T) {
 	})
 }
 
-func TestDuplicateRowInvalidRownum(t *testing.T) {
+func TestDuplicateRowInvalidRowNum(t *testing.T) {
 	const sheet = "Sheet1"
-	outFile := filepath.Join("test", "TestDuplicateRowInvalidRownum.%s.xlsx")
+	outFile := filepath.Join("test", "TestDuplicateRow.InvalidRowNum.%s.xlsx")
 
 	cells := map[string]string{
 		"A1": "A1 Value",