feat: Salary rounding based on settings on salary component (#17852)

diff --git a/erpnext/hr/doctype/salary_component/salary_component.json b/erpnext/hr/doctype/salary_component/salary_component.json
index ca49cea..e117a20 100644
--- a/erpnext/hr/doctype/salary_component/salary_component.json
+++ b/erpnext/hr/doctype/salary_component/salary_component.json
@@ -1,1092 +1,264 @@
 {
- "allow_copy": 0, 
- "allow_events_in_timeline": 0, 
- "allow_guest_to_view": 0, 
- "allow_import": 1, 
- "allow_rename": 1, 
- "autoname": "field:salary_component", 
- "beta": 0, 
- "creation": "2016-06-30 15:42:43.631931", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Setup", 
- "editable_grid": 1, 
+ "allow_import": 1,
+ "allow_rename": 1,
+ "autoname": "field:salary_component",
+ "creation": "2016-06-30 15:42:43.631931",
+ "doctype": "DocType",
+ "document_type": "Setup",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "salary_component",
+  "salary_component_abbr",
+  "type",
+  "description",
+  "column_break_4",
+  "is_payable",
+  "depends_on_payment_days",
+  "is_tax_applicable",
+  "deduct_full_tax_on_selected_payroll_date",
+  "round_to_the_nearest_integer",
+  "statistical_component",
+  "do_not_include_in_total",
+  "disabled",
+  "flexible_benefits",
+  "is_flexible_benefit",
+  "max_benefit_amount",
+  "column_break_9",
+  "pay_against_benefit_claim",
+  "only_tax_impact",
+  "create_separate_payment_entry_against_benefit_claim",
+  "section_break_11",
+  "variable_based_on_taxable_salary",
+  "section_break_5",
+  "accounts",
+  "condition_and_formula",
+  "condition",
+  "amount",
+  "amount_based_on_formula",
+  "formula",
+  "column_break_28",
+  "help"
+ ],
  "fields": [
   {
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-   "allow_on_submit": 0, 
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-   "in_filter": 0, 
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+   "fieldname": "salary_component",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Name",
+   "reqd": 1,
    "unique": 1
-  }, 
+  },
   {
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-   "reqd": 1, 
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+   "fieldname": "salary_component_abbr",
+   "fieldtype": "Data",
+   "in_list_view": 1,
+   "label": "Abbr",
+   "print_width": "120px",
+   "reqd": 1,
    "width": "120px"
-  }, 
+  },
   {
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-  }, 
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+   "depends_on": "eval:doc.type == \"Earning\"",
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+   "fieldtype": "Check",
+   "label": "Is Tax Applicable"
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   {
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-  }, 
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+   "fieldname": "is_payable",
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+   "label": "Is Payable"
+  },
   {
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-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_global_search": 0, 
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+   "default": "1",
+   "fieldname": "depends_on_payment_days",
+   "fieldtype": "Check",
+   "label": "Depends on Payment Days",
+   "print_hide": 1
+  },
   {
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+   "fieldtype": "Check",
+   "label": "Do Not Include in Total"
+  },
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+   "depends_on": "is_tax_applicable",
+   "fieldname": "deduct_full_tax_on_selected_payroll_date",
+   "fieldtype": "Check",
+   "label": "Deduct Full Tax on Selected Payroll Date"
+  },
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+   "fieldtype": "Column Break"
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+   "fieldtype": "Check",
+   "label": "Statistical Component"
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+   "fieldtype": "Section Break",
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+   "fieldname": "condition_and_formula",
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+   "label": "Condition and Formula"
+  },
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+   "label": "Condition"
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+   "fieldname": "amount_based_on_formula",
+   "fieldtype": "Check",
+   "label": "Amount based on formula"
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-  }, 
+   "depends_on": "eval:doc.amount_based_on_formula!==1",
+   "fieldname": "amount",
+   "fieldtype": "Currency",
+   "label": "Amount"
+  },
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+   "fieldtype": "Column Break"
+  },
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-   "length": 0, 
-   "no_copy": 0, 
-   "options": "<h3>Help</h3>\n\n<p>Notes:</p>\n\n<ol>\n<li>Use field <code>base</code> for using base salary of the Employee</li>\n<li>Use Salary Component abbreviations in conditions and formulas. <code>BS = Basic Salary</code></li>\n<li>Use field name for employee details in conditions and formulas. <code>Employment Type = employment_type</code><code>Branch = branch</code></li>\n<li>Use field name from Salary Slip in conditions and formulas. <code>Payment Days = payment_days</code><code>Leave without pay = leave_without_pay</code></li>\n<li>Direct Amount can also be entered based on Condtion. See example 3</li></ol>\n\n<h4>Examples</h4>\n<ol>\n<li>Calculating Basic Salary based on <code>base</code>\n<pre><code>Condition: base &lt; 10000</code></pre>\n<pre><code>Formula: base * .2</code></pre></li>\n<li>Calculating HRA based on Basic Salary<code>BS</code> \n<pre><code>Condition: BS &gt; 2000</code></pre>\n<pre><code>Formula: BS * .1</code></pre></li>\n<li>Calculating TDS based on Employment Type<code>employment_type</code> \n<pre><code>Condition: employment_type==\"Intern\"</code></pre>\n<pre><code>Amount: 1000</code></pre></li>\n</ol>", 
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+   "fieldname": "help",
+   "fieldtype": "HTML",
+   "label": "Help",
+   "options": "<h3>Help</h3>\n\n<p>Notes:</p>\n\n<ol>\n<li>Use field <code>base</code> for using base salary of the Employee</li>\n<li>Use Salary Component abbreviations in conditions and formulas. <code>BS = Basic Salary</code></li>\n<li>Use field name for employee details in conditions and formulas. <code>Employment Type = employment_type</code><code>Branch = branch</code></li>\n<li>Use field name from Salary Slip in conditions and formulas. <code>Payment Days = payment_days</code><code>Leave without pay = leave_without_pay</code></li>\n<li>Direct Amount can also be entered based on Condtion. See example 3</li></ol>\n\n<h4>Examples</h4>\n<ol>\n<li>Calculating Basic Salary based on <code>base</code>\n<pre><code>Condition: base &lt; 10000</code></pre>\n<pre><code>Formula: base * .2</code></pre></li>\n<li>Calculating HRA based on Basic Salary<code>BS</code> \n<pre><code>Condition: BS &gt; 2000</code></pre>\n<pre><code>Formula: BS * .1</code></pre></li>\n<li>Calculating TDS based on Employment Type<code>employment_type</code> \n<pre><code>Condition: employment_type==\"Intern\"</code></pre>\n<pre><code>Amount: 1000</code></pre></li>\n</ol>"
+  },
+  {
+   "default": "0",
+   "fieldname": "round_to_the_nearest_integer",
+   "fieldtype": "Check",
+   "label": "Round to the Nearest Integer"
   }
- ], 
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- "modified": "2019-05-13 12:55:55.424370", 
- "modified_by": "Administrator", 
- "module": "HR", 
- "name": "Salary Component", 
- "name_case": "", 
- "owner": "Administrator", 
+ ],
+ "icon": "fa fa-flag",
+ "modified": "2019-06-05 11:34:14.231228",
+ "modified_by": "Administrator",
+ "module": "HR",
+ "name": "Salary Component",
+ "owner": "Administrator",
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+ "sort_order": "DESC"
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\ No newline at end of file
diff --git a/erpnext/hr/doctype/salary_slip/salary_slip.py b/erpnext/hr/doctype/salary_slip/salary_slip.py
index 6bba0c5..bdb2080 100644
--- a/erpnext/hr/doctype/salary_slip/salary_slip.py
+++ b/erpnext/hr/doctype/salary_slip/salary_slip.py
@@ -619,6 +619,10 @@
 		elif not row.amount:
 			amount = row.default_amount + row.additional_amount
 
+		# apply rounding
+		if frappe.get_cached_value("Salary Component", row.salary_component, "round_to_the_nearest_integer"):
+			amount, additional_amount = rounded(amount), rounded(additional_amount)
+
 		return amount, additional_amount
 
 	def calculate_unclaimed_taxable_benefits(self, payroll_period):
diff --git a/erpnext/hr/doctype/salary_slip/test_salary_slip.py b/erpnext/hr/doctype/salary_slip/test_salary_slip.py
index b333f4f..16a75f4 100644
--- a/erpnext/hr/doctype/salary_slip/test_salary_slip.py
+++ b/erpnext/hr/doctype/salary_slip/test_salary_slip.py
@@ -211,7 +211,7 @@
 		tax_paid = get_tax_paid_in_period(employee)
 
 		# total taxable income 586000, 250000 @ 5%, 86000 @ 20% ie. 12500 + 17200
-		annual_tax = 113567.79
+		annual_tax = 113568
 		try:
 			self.assertEqual(tax_paid, annual_tax)
 		except AssertionError:
@@ -250,7 +250,7 @@
 
 		# total taxable income 416000, 166000 @ 5% ie. 8300
 		try:
-			self.assertEqual(tax_paid, 88607.79)
+			self.assertEqual(tax_paid, 88608)
 		except AssertionError:
 			print("\nSalary Slip - Tax calculation failed on following case\n", data, "\n")
 			raise
@@ -265,7 +265,7 @@
 		# total taxable income 566000, 250000 @ 5%, 66000 @ 20%, 12500 + 13200
 		tax_paid = get_tax_paid_in_period(employee)
 		try:
-			self.assertEqual(tax_paid, 121211.48)
+			self.assertEqual(tax_paid, 121211)
 		except AssertionError:
 			print("\nSalary Slip - Tax calculation failed on following case\n", data, "\n")
 			raise
@@ -443,7 +443,8 @@
 			"type": "Deduction",
 			"amount_based_on_formula": 1,
 			"depends_on_payment_days": 0,
-			"variable_based_on_taxable_salary": 1
+			"variable_based_on_taxable_salary": 1,
+			"round_to_the_nearest_integer": 1
 		}
 	]
 	if not test_tax:
@@ -453,7 +454,8 @@
 			"condition": 'employment_type=="Intern"',
 			"formula": 'base*.1',
 			"type": "Deduction",
-			"amount_based_on_formula": 1
+			"amount_based_on_formula": 1,
+			"round_to_the_nearest_integer": 1
 		})
 	if setup or test_tax:
 		make_salary_component(data, test_tax)