1.Integration Test : LoanWithWaiveInterest added

2. LoanProduct Builder created
3. RandomGenerator methods moved to Util file

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/testbuilder/LoanProductTestBuilder.java

@@ -0,0 +1,166 @@
+package org.mifosplatform.integrationtests.testbuilder;
+
+import com.google.gson.Gson;
+
+import java.util.HashMap;
+
+public class LoanProductTestBuilder {
+    private static final String LOCALE = "en_GB";
+    private static final String DIGITS_AFTER_DECIMAL = "2";
+    private static final String INR = "INR";
+    private static final String DAYS = "0";
+    private static final String WEEK = "1";
+    private static final String MONTHS = "2";
+    private static final String YEARS = "3";
+    private static final String CALCULATION_PERIOD_SAME_AS_REPAYMENT_PERIOD="1";
+    private static final String EQUAL_PRINCIPLE_PAYMENTS="0";
+    private static final String EQUAL_INSTALLMENTS="1";
+    private static final String DECLINING_BALANCE="0";
+    private static final String FLAT_BALANCE="1";
+    private static final String MIFOS_STANDARD_STRATEGY ="1";
+    private static final String HEAVENS_FAMILY_STRATEGY ="2";
+    private static final String CREO_CORE_STRATEGY ="3";
+    private static final String RBI_INDIA_STRATEGY ="4";
+    private static final String NONE ="1";
+    private static final String CASH_BASED ="2";
+    private static final String ACCRUAL_BASED ="3";
+
+
+    private String nameOfLoanProduct = Utils.randomNameGenerator("LOAN_PRODUCT_", 6);
+    private String principal = "10000.00";
+    private String numberOfRepayments = "0";
+    private String repaymentFrequency = WEEK;
+    private String repaymentPeriod = "0";
+    private String interestRatePerPeriod= "2";
+    private String interestRateFrequencyType = MONTHS;
+    private String interestType = FLAT_BALANCE;
+    private String interestCalculationPeriodType=CALCULATION_PERIOD_SAME_AS_REPAYMENT_PERIOD;
+    private String inArrearsTolerance="0";
+    private String transactionProcessingStrategy=MIFOS_STANDARD_STRATEGY;
+    private String accountingRule =NONE;
+    private String currencyCode = INR;
+    private String amortizationType= EQUAL_INSTALLMENTS;
+
+    public String build() {
+        HashMap<String, String> map = new HashMap<String, String>();
+
+        map.put("name", nameOfLoanProduct);
+        map.put("currencyCode", currencyCode);
+        map.put("locale", LOCALE);
+        map.put("digitsAfterDecimal",DIGITS_AFTER_DECIMAL);
+        map.put("principal", principal);
+        map.put("numberOfRepayments", numberOfRepayments);
+        map.put("repaymentEvery",repaymentPeriod );
+        map.put("repaymentFrequencyType", repaymentFrequency);
+        map.put("interestRatePerPeriod", interestRatePerPeriod);
+        map.put("interestRateFrequencyType", interestRateFrequencyType);
+        map.put("amortizationType",amortizationType);
+        map.put("interestType", interestType);
+        map.put("interestCalculationPeriodType", interestCalculationPeriodType);
+        map.put("inArrearsTolerance", inArrearsTolerance);
+        map.put("transactionProcessingStrategyId", transactionProcessingStrategy);
+        map.put("accountingRule", accountingRule);
+        return new Gson().toJson(map);
+    }
+
+    public LoanProductTestBuilder withLoanName(String loanName){
+        this.nameOfLoanProduct=loanName;
+        return this;
+    }
+    public LoanProductTestBuilder withPrincipal(String principal){
+        this.principal = principal;
+        return this;
+    }
+
+    public LoanProductTestBuilder withNumberOfRepayments(String numberOfRepayment){
+        this.numberOfRepayments = numberOfRepayment;
+        return this;
+    }
+
+
+    public LoanProductTestBuilder withRepaymentTypeAsMonth(){
+        this.repaymentFrequency = MONTHS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withRepaymentTypeAsWeek(){
+        this.repaymentFrequency = WEEK;
+        return this;
+    }
+
+    public LoanProductTestBuilder withRepaymentTypeAsDays(){
+        this.repaymentFrequency = DAYS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withRepaymentAfterEvery(String repaymentAfterEvery){
+        this.repaymentPeriod=repaymentAfterEvery;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestRateFrequencyTypeAsMonths(){
+        this.interestRateFrequencyType=MONTHS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestRateFrequencyTypeAsYear(){
+        this.interestRateFrequencyType=YEARS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withinterestRatePerPeriod(String interestRatePerPeriod) {
+        this.interestRatePerPeriod=interestRatePerPeriod;
+        return this;
+    }
+
+    public LoanProductTestBuilder withAmortizationTypeAsEqualPrinciplePayment(){
+        this.amortizationType = EQUAL_PRINCIPLE_PAYMENTS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withAmortizationTypeAsEqualInstallments(){
+        this.amortizationType = EQUAL_INSTALLMENTS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestTypeAsFlat(){
+        this.interestType=FLAT_BALANCE;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestTypeAsDecliningBalance (){
+        this.interestType=DECLINING_BALANCE;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestCalculationPeriodTypeAsDays (){
+        this.interestCalculationPeriodType=DAYS;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInterestCalculationPeriodTypeAsRepaymentPeriod (){
+        this.interestCalculationPeriodType=CALCULATION_PERIOD_SAME_AS_REPAYMENT_PERIOD;
+        return this;
+    }
+
+    public LoanProductTestBuilder withInArrearsTolerance (String amountCanBeWaved){
+        this.inArrearsTolerance = amountCanBeWaved;
+        return this;
+    }
+
+    public LoanProductTestBuilder withAccountingRuleAsNone (){
+        this.accountingRule= NONE;
+        return this;
+    }
+
+    public LoanProductTestBuilder withAccountingRuleAsCashBased (){
+        this.accountingRule= CASH_BASED;
+        return this;
+    }
+
+    public LoanProductTestBuilder withAccountingRuleAsAccrualBased (){
+        this.accountingRule= ACCRUAL_BASED;
+        return this;
+    }
+
+}

mifosng-provider/src/integrationTest/java/org/mifosplatform/integrationtests/testbuilder/Utils.java

@@ -0,0 +1,23 @@
+package org.mifosplatform.integrationtests.testbuilder;
+
+import java.util.Random;
+
+public class Utils {
+
+    public static String randomStringGenerator(final String prefix, final int len, final String sourceSetString) {
+        int lengthOfSource = sourceSetString.length();
+        Random rnd = new Random();
+        StringBuilder sb = new StringBuilder(len);
+        for (int i = 0; i < len; i++)
+            sb.append((sourceSetString).charAt(rnd.nextInt(lengthOfSource)));
+        return (prefix+(sb.toString()));
+    }
+
+    public static String randomNameGenerator(final String prefix, final int lenOfRandomSuffix) {
+        return randomStringGenerator(prefix, lenOfRandomSuffix, "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+    }
+
+    public static String randomIDGenerator(final String prefix, final int lenOfRandomSuffix) {
+        return randomStringGenerator(prefix, lenOfRandomSuffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+    }
+}