commit
aabda6aafb
@ -0,0 +1,3 @@ |
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|
/main/ |
||||||
|
/test/ |
||||||
|
/default/ |
@ -0,0 +1,26 @@ |
|||||||
|
plugins { |
||||||
|
id 'org.springframework.boot' version '2.3.1.RELEASE' |
||||||
|
id 'io.spring.dependency-management' version '1.0.9.RELEASE' |
||||||
|
id 'java' |
||||||
|
} |
||||||
|
|
||||||
|
group = 'com.example' |
||||||
|
version = '0.0.1-SNAPSHOT' |
||||||
|
sourceCompatibility = '1.8' |
||||||
|
|
||||||
|
repositories { |
||||||
|
mavenCentral() |
||||||
|
} |
||||||
|
|
||||||
|
dependencies { |
||||||
|
implementation 'org.springframework.boot:spring-boot-starter-web' |
||||||
|
testImplementation('org.springframework.boot:spring-boot-starter-test') { |
||||||
|
exclude group: 'org.junit.vintage', module: 'junit-vintage-engine' |
||||||
|
} |
||||||
|
compile('org.springframework.boot:spring-boot-starter-data-jpa:2.0.0.RELEASE') |
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|
runtime('mysql:mysql-connector-java:8.0.21') |
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|
} |
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|
|
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|
test { |
||||||
|
useJUnitPlatform() |
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|
} |
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|
distributionBase=GRADLE_USER_HOME |
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|
distributionPath=wrapper/dists |
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|
distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-bin.zip |
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|
zipStoreBase=GRADLE_USER_HOME |
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|
zipStorePath=wrapper/dists |
@ -0,0 +1,185 @@ |
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|
#!/usr/bin/env sh |
||||||
|
|
||||||
|
# |
||||||
|
# Copyright 2015 the original author or authors. |
||||||
|
# |
||||||
|
# Licensed under the Apache License, Version 2.0 (the "License"); |
||||||
|
# you may not use this file except in compliance with the License. |
||||||
|
# You may obtain a copy of the License at |
||||||
|
# |
||||||
|
# https://www.apache.org/licenses/LICENSE-2.0 |
||||||
|
# |
||||||
|
# Unless required by applicable law or agreed to in writing, software |
||||||
|
# distributed under the License is distributed on an "AS IS" BASIS, |
||||||
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||||
|
# See the License for the specific language governing permissions and |
||||||
|
# limitations under the License. |
||||||
|
# |
||||||
|
|
||||||
|
############################################################################## |
||||||
|
## |
||||||
|
## Gradle start up script for UN*X |
||||||
|
## |
||||||
|
############################################################################## |
||||||
|
|
||||||
|
# Attempt to set APP_HOME |
||||||
|
# Resolve links: $0 may be a link |
||||||
|
PRG="$0" |
||||||
|
# Need this for relative symlinks. |
||||||
|
while [ -h "$PRG" ] ; do |
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|
ls=`ls -ld "$PRG"` |
||||||
|
link=`expr "$ls" : '.*-> \(.*\)$'` |
||||||
|
if expr "$link" : '/.*' > /dev/null; then |
||||||
|
PRG="$link" |
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|
else |
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|
PRG=`dirname "$PRG"`"/$link" |
||||||
|
fi |
||||||
|
done |
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|
SAVED="`pwd`" |
||||||
|
cd "`dirname \"$PRG\"`/" >/dev/null |
||||||
|
APP_HOME="`pwd -P`" |
||||||
|
cd "$SAVED" >/dev/null |
||||||
|
|
||||||
|
APP_NAME="Gradle" |
||||||
|
APP_BASE_NAME=`basename "$0"` |
||||||
|
|
||||||
|
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. |
||||||
|
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' |
||||||
|
|
||||||
|
# Use the maximum available, or set MAX_FD != -1 to use that value. |
||||||
|
MAX_FD="maximum" |
||||||
|
|
||||||
|
warn () { |
||||||
|
echo "$*" |
||||||
|
} |
||||||
|
|
||||||
|
die () { |
||||||
|
echo |
||||||
|
echo "$*" |
||||||
|
echo |
||||||
|
exit 1 |
||||||
|
} |
||||||
|
|
||||||
|
# OS specific support (must be 'true' or 'false'). |
||||||
|
cygwin=false |
||||||
|
msys=false |
||||||
|
darwin=false |
||||||
|
nonstop=false |
||||||
|
case "`uname`" in |
||||||
|
CYGWIN* ) |
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|
cygwin=true |
||||||
|
;; |
||||||
|
Darwin* ) |
||||||
|
darwin=true |
||||||
|
;; |
||||||
|
MINGW* ) |
||||||
|
msys=true |
||||||
|
;; |
||||||
|
NONSTOP* ) |
||||||
|
nonstop=true |
||||||
|
;; |
||||||
|
esac |
||||||
|
|
||||||
|
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar |
||||||
|
|
||||||
|
|
||||||
|
# Determine the Java command to use to start the JVM. |
||||||
|
if [ -n "$JAVA_HOME" ] ; then |
||||||
|
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then |
||||||
|
# IBM's JDK on AIX uses strange locations for the executables |
||||||
|
JAVACMD="$JAVA_HOME/jre/sh/java" |
||||||
|
else |
||||||
|
JAVACMD="$JAVA_HOME/bin/java" |
||||||
|
fi |
||||||
|
if [ ! -x "$JAVACMD" ] ; then |
||||||
|
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME |
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the |
||||||
|
location of your Java installation." |
||||||
|
fi |
||||||
|
else |
||||||
|
JAVACMD="java" |
||||||
|
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. |
||||||
|
|
||||||
|
Please set the JAVA_HOME variable in your environment to match the |
||||||
|
location of your Java installation." |
||||||
|
fi |
||||||
|
|
||||||
|
# Increase the maximum file descriptors if we can. |
||||||
|
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then |
||||||
|
MAX_FD_LIMIT=`ulimit -H -n` |
||||||
|
if [ $? -eq 0 ] ; then |
||||||
|
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then |
||||||
|
MAX_FD="$MAX_FD_LIMIT" |
||||||
|
fi |
||||||
|
ulimit -n $MAX_FD |
||||||
|
if [ $? -ne 0 ] ; then |
||||||
|
warn "Could not set maximum file descriptor limit: $MAX_FD" |
||||||
|
fi |
||||||
|
else |
||||||
|
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" |
||||||
|
fi |
||||||
|
fi |
||||||
|
|
||||||
|
# For Darwin, add options to specify how the application appears in the dock |
||||||
|
if $darwin; then |
||||||
|
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" |
||||||
|
fi |
||||||
|
|
||||||
|
# For Cygwin or MSYS, switch paths to Windows format before running java |
||||||
|
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then |
||||||
|
APP_HOME=`cygpath --path --mixed "$APP_HOME"` |
||||||
|
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` |
||||||
|
|
||||||
|
JAVACMD=`cygpath --unix "$JAVACMD"` |
||||||
|
|
||||||
|
# We build the pattern for arguments to be converted via cygpath |
||||||
|
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` |
||||||
|
SEP="" |
||||||
|
for dir in $ROOTDIRSRAW ; do |
||||||
|
ROOTDIRS="$ROOTDIRS$SEP$dir" |
||||||
|
SEP="|" |
||||||
|
done |
||||||
|
OURCYGPATTERN="(^($ROOTDIRS))" |
||||||
|
# Add a user-defined pattern to the cygpath arguments |
||||||
|
if [ "$GRADLE_CYGPATTERN" != "" ] ; then |
||||||
|
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" |
||||||
|
fi |
||||||
|
# Now convert the arguments - kludge to limit ourselves to /bin/sh |
||||||
|
i=0 |
||||||
|
for arg in "$@" ; do |
||||||
|
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` |
||||||
|
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option |
||||||
|
|
||||||
|
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition |
||||||
|
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` |
||||||
|
else |
||||||
|
eval `echo args$i`="\"$arg\"" |
||||||
|
fi |
||||||
|
i=`expr $i + 1` |
||||||
|
done |
||||||
|
case $i in |
||||||
|
0) set -- ;; |
||||||
|
1) set -- "$args0" ;; |
||||||
|
2) set -- "$args0" "$args1" ;; |
||||||
|
3) set -- "$args0" "$args1" "$args2" ;; |
||||||
|
4) set -- "$args0" "$args1" "$args2" "$args3" ;; |
||||||
|
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; |
||||||
|
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; |
||||||
|
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; |
||||||
|
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; |
||||||
|
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; |
||||||
|
esac |
||||||
|
fi |
||||||
|
|
||||||
|
# Escape application args |
||||||
|
save () { |
||||||
|
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done |
||||||
|
echo " " |
||||||
|
} |
||||||
|
APP_ARGS=`save "$@"` |
||||||
|
|
||||||
|
# Collect all arguments for the java command, following the shell quoting and substitution rules |
||||||
|
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" |
||||||
|
|
||||||
|
exec "$JAVACMD" "$@" |
@ -0,0 +1,104 @@ |
|||||||
|
@rem |
||||||
|
@rem Copyright 2015 the original author or authors. |
||||||
|
@rem |
||||||
|
@rem Licensed under the Apache License, Version 2.0 (the "License"); |
||||||
|
@rem you may not use this file except in compliance with the License. |
||||||
|
@rem You may obtain a copy of the License at |
||||||
|
@rem |
||||||
|
@rem https://www.apache.org/licenses/LICENSE-2.0 |
||||||
|
@rem |
||||||
|
@rem Unless required by applicable law or agreed to in writing, software |
||||||
|
@rem distributed under the License is distributed on an "AS IS" BASIS, |
||||||
|
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
||||||
|
@rem See the License for the specific language governing permissions and |
||||||
|
@rem limitations under the License. |
||||||
|
@rem |
||||||
|
|
||||||
|
@if "%DEBUG%" == "" @echo off |
||||||
|
@rem ########################################################################## |
||||||
|
@rem |
||||||
|
@rem Gradle startup script for Windows |
||||||
|
@rem |
||||||
|
@rem ########################################################################## |
||||||
|
|
||||||
|
@rem Set local scope for the variables with windows NT shell |
||||||
|
if "%OS%"=="Windows_NT" setlocal |
||||||
|
|
||||||
|
set DIRNAME=%~dp0 |
||||||
|
if "%DIRNAME%" == "" set DIRNAME=. |
||||||
|
set APP_BASE_NAME=%~n0 |
||||||
|
set APP_HOME=%DIRNAME% |
||||||
|
|
||||||
|
@rem Resolve any "." and ".." in APP_HOME to make it shorter. |
||||||
|
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi |
||||||
|
|
||||||
|
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. |
||||||
|
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" |
||||||
|
|
||||||
|
@rem Find java.exe |
||||||
|
if defined JAVA_HOME goto findJavaFromJavaHome |
||||||
|
|
||||||
|
set JAVA_EXE=java.exe |
||||||
|
%JAVA_EXE% -version >NUL 2>&1 |
||||||
|
if "%ERRORLEVEL%" == "0" goto init |
||||||
|
|
||||||
|
echo. |
||||||
|
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. |
||||||
|
echo. |
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the |
||||||
|
echo location of your Java installation. |
||||||
|
|
||||||
|
goto fail |
||||||
|
|
||||||
|
:findJavaFromJavaHome |
||||||
|
set JAVA_HOME=%JAVA_HOME:"=% |
||||||
|
set JAVA_EXE=%JAVA_HOME%/bin/java.exe |
||||||
|
|
||||||
|
if exist "%JAVA_EXE%" goto init |
||||||
|
|
||||||
|
echo. |
||||||
|
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% |
||||||
|
echo. |
||||||
|
echo Please set the JAVA_HOME variable in your environment to match the |
||||||
|
echo location of your Java installation. |
||||||
|
|
||||||
|
goto fail |
||||||
|
|
||||||
|
:init |
||||||
|
@rem Get command-line arguments, handling Windows variants |
||||||
|
|
||||||
|
if not "%OS%" == "Windows_NT" goto win9xME_args |
||||||
|
|
||||||
|
:win9xME_args |
||||||
|
@rem Slurp the command line arguments. |
||||||
|
set CMD_LINE_ARGS= |
||||||
|
set _SKIP=2 |
||||||
|
|
||||||
|
:win9xME_args_slurp |
||||||
|
if "x%~1" == "x" goto execute |
||||||
|
|
||||||
|
set CMD_LINE_ARGS=%* |
||||||
|
|
||||||
|
:execute |
||||||
|
@rem Setup the command line |
||||||
|
|
||||||
|
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar |
||||||
|
|
||||||
|
|
||||||
|
@rem Execute Gradle |
||||||
|
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% |
||||||
|
|
||||||
|
:end |
||||||
|
@rem End local scope for the variables with windows NT shell |
||||||
|
if "%ERRORLEVEL%"=="0" goto mainEnd |
||||||
|
|
||||||
|
:fail |
||||||
|
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of |
||||||
|
rem the _cmd.exe /c_ return code! |
||||||
|
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 |
||||||
|
exit /b 1 |
||||||
|
|
||||||
|
:mainEnd |
||||||
|
if "%OS%"=="Windows_NT" endlocal |
||||||
|
|
||||||
|
:omega |
@ -0,0 +1 @@ |
|||||||
|
rootProject.name = 'tdd-mortgage-lender' |
@ -0,0 +1,27 @@ |
|||||||
|
package com.example.demo; |
||||||
|
|
||||||
|
public class Lender { |
||||||
|
long funds=0l; |
||||||
|
public long getAvailableFunds() { |
||||||
|
return funds; |
||||||
|
} |
||||||
|
public void addFunds(long amt) { |
||||||
|
if (amt<=0) { |
||||||
|
throw new IllegalArgumentException("Amount added must be greater than zero."); |
||||||
|
} else { |
||||||
|
funds=Math.addExact(funds, amt); |
||||||
|
} |
||||||
|
} |
||||||
|
public boolean checkRequest(LoanApplicant applicant) { |
||||||
|
return applicant.getRequestedAmount()<=funds; |
||||||
|
} |
||||||
|
public double calculateMonthlyPayment(long principal,float annualRate,int numPayments) { |
||||||
|
return Math.round(((principal*((annualRate/12)*Math.pow((1+annualRate/12),numPayments)))/(Math.pow(1+(annualRate/12),numPayments)-1)*100))/100d; |
||||||
|
} |
||||||
|
public boolean isGoodLoanCandidate(LoanApplicant applicant) { |
||||||
|
if (applicant.getMonthlyGrossIncome()<=0) { |
||||||
|
return false; |
||||||
|
} |
||||||
|
return applicant.getCreditScore()>=620&&funds>=applicant.getRequestedAmount()*0.25&&(double)applicant.getMonthlyDebtLoad()/applicant.getMonthlyGrossIncome()<0.36; |
||||||
|
} |
||||||
|
} |
@ -0,0 +1,37 @@ |
|||||||
|
package com.example.demo; |
||||||
|
|
||||||
|
final class LoanApplicant { |
||||||
|
private final int creditScore; |
||||||
|
private final int downPayment; |
||||||
|
private final int monthlyDebtLoad; |
||||||
|
private final int monthlyGrossIncome; |
||||||
|
private final long requestedAmount; |
||||||
|
|
||||||
|
LoanApplicant(final int downPayment, final long requestedAmount, final int monthlyGrossIncome, final int monthlyDebtLoad, final int creditScore) { |
||||||
|
this.downPayment = downPayment; |
||||||
|
this.requestedAmount = requestedAmount; |
||||||
|
this.monthlyGrossIncome = monthlyGrossIncome; |
||||||
|
this.monthlyDebtLoad = monthlyDebtLoad; |
||||||
|
this.creditScore = creditScore; |
||||||
|
} |
||||||
|
|
||||||
|
int getCreditScore() { |
||||||
|
return creditScore; |
||||||
|
} |
||||||
|
|
||||||
|
int getDownPayment() { |
||||||
|
return downPayment; |
||||||
|
} |
||||||
|
|
||||||
|
int getMonthlyDebtLoad() { |
||||||
|
return monthlyDebtLoad; |
||||||
|
} |
||||||
|
|
||||||
|
int getMonthlyGrossIncome() { |
||||||
|
return monthlyGrossIncome; |
||||||
|
} |
||||||
|
|
||||||
|
long getRequestedAmount() { |
||||||
|
return requestedAmount; |
||||||
|
} |
||||||
|
} |
@ -0,0 +1,6 @@ |
|||||||
|
spring.datasource.url=jdbc:mysql://localhost/playground?serverTimezone=UTC |
||||||
|
spring.datasource.username=sigonasr2 |
||||||
|
spring.datasource.password= |
||||||
|
spring.datasource.driver-class-name=com.mysql.jdbc.Driver |
||||||
|
spring.jpa.hibernate.ddl-auto=update |
||||||
|
spring.jpa.database-platform=org.hibernate.dialect.MySQL8Dialect |
@ -0,0 +1,250 @@ |
|||||||
|
package com.example.demo; |
||||||
|
|
||||||
|
import static org.junit.jupiter.api.Assertions.assertEquals; |
||||||
|
import static org.junit.jupiter.api.Assertions.assertThrows; |
||||||
|
|
||||||
|
import org.junit.jupiter.api.Test; |
||||||
|
|
||||||
|
final class LenderTest { |
||||||
|
|
||||||
|
@Test |
||||||
|
void getAvailableFundsReturnsZeroByDefault() { |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final long expected = 0L; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
final long actual = lender.getAvailableFunds(); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual |
||||||
|
,"Test initializing funds."); |
||||||
|
|
||||||
|
//Teardown
|
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsThrowsAnExceptionForZero(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final String expected = "Amount added must be greater than zero."; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
final Exception actual = assertThrows(IllegalArgumentException.class, |
||||||
|
() -> lender.addFunds(0L)); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual.getMessage() |
||||||
|
,"Test increasing by less than 1"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsIncreasesAvailableFundsByOne(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final long expected = 1L; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
lender.addFunds(expected); |
||||||
|
|
||||||
|
final long actual = lender.getAvailableFunds(); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual |
||||||
|
,"Increase available funds by 1"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsThrowsAnExceptionForNegativeValue(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final String expected = "Amount added must be greater than zero."; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
final Exception actual = assertThrows(IllegalArgumentException.class, |
||||||
|
() -> lender.addFunds(Long.MIN_VALUE)); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual.getMessage() |
||||||
|
,"Test increasing by less than 1"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsIncreasesAvailableFundsByTwo(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final long expected = 2L; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
lender.addFunds(expected); |
||||||
|
|
||||||
|
final long actual = lender.getAvailableFunds(); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual |
||||||
|
,"Test Increasing available funds"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsIncreasesAvailableFundsByThreeThenFour(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
final long expected = 7L; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
lender.addFunds(3L); |
||||||
|
lender.addFunds(4L); |
||||||
|
|
||||||
|
final long actual = lender.getAvailableFunds(); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual |
||||||
|
,"Test Increasing available funds multiple times"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void addFundsThrowExceptionIfOverflowWillHappen(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(Long.MAX_VALUE); |
||||||
|
final String expected = "long overflow"; |
||||||
|
|
||||||
|
//Exercise
|
||||||
|
final Exception actual = assertThrows(ArithmeticException.class, |
||||||
|
() -> lender.addFunds(1L)); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(expected,actual.getMessage() |
||||||
|
,"Prevent overflow errors"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void rejectHighLoanAmounts(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,7900l,81829,0,860); |
||||||
|
|
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(false,lender.checkRequest(applicant) |
||||||
|
,"Deny applicants that offer high loan amounts"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void acceptLowLoanAmounts(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,81829,0,860); |
||||||
|
|
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(true,lender.checkRequest(applicant) |
||||||
|
,"Accept applicants that offer low loan amounts"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void calculateMonthlyMortgagePayment(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
|
||||||
|
//monthlyPayment = principal * ((interestRate/12) * (1+(interestRate/12))^numberOfPayments) / ((1 + (interestRate/12))^numberOfPayments - 1)
|
||||||
|
long principal = 250000l; |
||||||
|
float annualRate = 0.04f; |
||||||
|
int numPayments = 360; |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(1193.54d,lender.calculateMonthlyPayment(principal,annualRate,numPayments) |
||||||
|
,"Calculate Monthly Mortgage Payments properly"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void isGoodLoanCandidate(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,81829,0,860); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(true,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Accept good Debt-to-Income applicants"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void denyRequestedMortageDebtToIncomeTooHigh(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,400,200,860); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(false,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Deny bad Debt-to-Income applicants"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void denyRequestedMortageDebtToIncomeTooHigh2(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,1000,360,860); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(false,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Deny bad Debt-to-Income applicants"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void acceptRequestedMortageDebtToIncomeGoodEnough(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,1000,359,860); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(true,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Accept good Debt-to-Income applicants"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void acceptRequestedMortageDebtCreditScoreGoodEnough(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,1000,359,620); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(true,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Accept good credit scores"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void denyRequestedMortageDebtCreditScoreTooLow(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,3200l,1000,359,619); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(false,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Deny credit scores that are too low"); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void denyRequestedMortageDebtAmountSavedTooLow(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,12801l,1000,359,620); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(false,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Deny Amount Saved too low."); |
||||||
|
} |
||||||
|
@Test |
||||||
|
void acceptRequestedMortageDebtAmountSavedHighEnough(){ |
||||||
|
//Setup
|
||||||
|
final Lender lender = new Lender(); |
||||||
|
lender.addFunds(3200l); |
||||||
|
|
||||||
|
LoanApplicant applicant = new LoanApplicant(640000,12800l,1000,359,620); |
||||||
|
|
||||||
|
//Assert
|
||||||
|
assertEquals(true,lender.isGoodLoanCandidate(applicant) |
||||||
|
,"Accept Amount Saved is 25% or more of requested amount."); |
||||||
|
} |
||||||
|
} |
Loading…
Reference in new issue