fluent example

agorapulse · May 30, 2024 · ce0006b · ce0006b
1 parent b4484b1
commit ce0006b
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Showing 4 changed files with 29 additions and 0 deletions.
diff --git a/libs/where4j/src/main/java/com/agorapulse/testing/where4j/Expectations.java b/libs/where4j/src/main/java/com/agorapulse/testing/where4j/Expectations.java
@@ -24,6 +24,10 @@ static <A, B, C> Where3<A, B, C> forEach(Headers3 headers, Row3<A, B, C> first,
         return new Where3<>(headers, first, Arrays.asList(rest));
     }
 
+    static Headers3 given(String headerA, String headerB, String headerC) {
+        return new Headers3(headerA, headerB, headerC);
+    }
+
     static <A, B, C> Where3<A, B, C> forEach(
         String headerA,
         Iterable<A> valuesA,

diff --git a/libs/where4j/src/main/java/com/agorapulse/testing/where4j/dsl/Headers3.java b/libs/where4j/src/main/java/com/agorapulse/testing/where4j/dsl/Headers3.java
@@ -1,5 +1,8 @@
 package com.agorapulse.testing.where4j.dsl;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class Headers3 {
 
     private final String a;
@@ -24,4 +27,10 @@ public String getC() {
         return c;
     }
 
+    public <A, B, C> Where3<A, B, C> are(A a, B b, C c) {
+        List<Row3<A, B, C>> rows = new ArrayList<>();
+        rows.add(new Row3<>(a, b, c));
+        return new Where3<>(this, rows);
+    }
+
 }
diff --git a/libs/where4j/src/main/java/com/agorapulse/testing/where4j/dsl/Where3.java b/libs/where4j/src/main/java/com/agorapulse/testing/where4j/dsl/Where3.java
@@ -41,6 +41,11 @@ public Expectations verify(String template, Verifcation3<A, B, C> verification)
         });
     }
 
+    public Where3<A, B, C> and(A a, B b, C c) {
+        data.add(new Row3<>(a, b, c));
+        return this;
+    }
+
     Stream<DynamicTest> generateTests(String template, Assertion3<A, B, C> verification) {
         return data.stream().map(row -> {
             String title = template.replace("#" + headers.getA(), String.valueOf(row.getA()));

diff --git a/libs/where4j/src/test/java/com/agorapulse/testing/where4j/ExpectationsTest.java b/libs/where4j/src/test/java/com/agorapulse/testing/where4j/ExpectationsTest.java
@@ -26,6 +26,17 @@ Expectations basicTestWithThreeVariablesAndExplicitEvaluation() {
         );
     }
 
+    @TestFactory
+    Expectations basicTestFluent() {
+        Calculator calculator = new Calculator();
+
+        return given("a", "b", "c")
+            .are(2, 3, 5)
+            .and(3, 5, 8)
+            .and(4, 7, 11)
+            .expect("#a + #b = #c", (a, b, c) -> calculator.add(a, b) == c);
+    }
+
     @TestFactory
     Expectations basicTestWithStreams() {
         Calculator calculator = new Calculator();