Add new terminal components and tooling settings

src/test/java/dev/jakub/terminal/TableTest.java

@@ -0,0 +1,63 @@
+package dev.jakub.terminal;
+
+import dev.jakub.terminal.components.Table;
+import dev.jakub.terminal.core.TerminalSupport;
+import org.junit.jupiter.api.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.nio.charset.StandardCharsets;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TableTest {
+
+    @Test
+    void tableWithHeaderAndRowsPrintsStructure() {
+        TerminalSupport support = new TerminalSupport(false, 80);
+        Table table = new Table(support).header("Name", "Status", "CPU")
+                .row("nginx", "✅ running", "2%")
+                .row("redis", "❌ stopped", "-");
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        table.print(new PrintStream(baos));
+        String out = baos.toString(StandardCharsets.UTF_8);
+        assertTrue(out.contains("Name"));
+        assertTrue(out.contains("Status"));
+        assertTrue(out.contains("CPU"));
+        assertTrue(out.contains("nginx"));
+        assertTrue(out.contains("running"));
+        assertTrue(out.contains("redis"));
+        assertTrue(out.contains("stopped"));
+        assertTrue(out.contains("|"));
+        assertTrue(out.contains("+") || out.contains("-"));
+    }
+
+    @Test
+    void emptyTableDoesNotThrow() {
+        TerminalSupport support = new TerminalSupport(false, 80);
+        Table table = new Table(support);
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        assertDoesNotThrow(() -> table.print(new PrintStream(baos)));
+    }
+
+    @Test
+    void headerOnlyPrintsHeaderRow() {
+        TerminalSupport support = new TerminalSupport(false, 80);
+        Table table = new Table(support).header("A", "B");
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        table.print(new PrintStream(baos));
+        String out = baos.toString(StandardCharsets.UTF_8);
+        assertTrue(out.contains("A"));
+        assertTrue(out.contains("B"));
+    }
+
+    @Test
+    void staticTerminalTableApiWorks() {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        Table t = Terminal.table();
+        assertNotNull(t);
+        t.header("X", "Y").row("a", "b").print(new PrintStream(baos));
+        String out = baos.toString(StandardCharsets.UTF_8);
+        assertTrue(out.contains("X") && out.contains("Y") && out.contains("a") && out.contains("b"));
+    }
+}