Release Flow Tools 0.2.0

tests/core/pipeline.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, it } from "vitest";
 import {
   importRecipe,
   records,
+  renderPipelineSvg,
   runPipeline,
   type Stage,
 } from "../../src/core/pipeline";
@@ -55,5 +56,55 @@ describe("pipeline", () => {
         '{"schema":"de.add-ideas.flow-tools.recipe.v1","stages":[{"type":"javascript","config":{}}]}',
       ),
     ).toThrow(/Invalid recipe/iu);
+    expect(() =>
+      importRecipe(
+        '{"schema":"de.add-ideas.flow-tools.recipe.v1","stages":[{"id":"same","type":"sort","enabled":true,"config":{}},{"id":"same","type":"sort","enabled":true,"config":{}}]}',
+      ),
+    ).toThrow(/safe unique id/iu);
+  });
+  it("deduplicates, explodes arrays and slices deterministically", () => {
+    const result = runPipeline(
+      records([
+        { id: 1, tags: ["a", "b"] },
+        { id: 1, tags: ["a", "b"] },
+        { id: 2, tags: ["c"] },
+      ]),
+      [
+        {
+          id: "d",
+          type: "deduplicate",
+          enabled: true,
+          config: { fields: "id" },
+        },
+        {
+          id: "e",
+          type: "explode",
+          enabled: true,
+          config: { field: "tags", target: "tag" },
+        },
+        {
+          id: "s",
+          type: "slice",
+          enabled: true,
+          config: { offset: "1", count: "2" },
+        },
+      ],
+    );
+    expect(result.rows.map((row) => row.tag)).toEqual(["b", "c"]);
+    expect(result.analysis).toMatchObject({
+      inputRows: 3,
+      outputRows: 2,
+      duplicateRows: 1,
+    });
+    expect(result.snapshots.at(-1)?.losses).toContain(
+      "1 rows fall outside the selected slice.",
+    );
+  });
+  it("exports an inert pipeline SVG", () => {
+    const svg = renderPipelineSvg([
+      { id: "x", type: "map", enabled: true, config: {} },
+    ]);
+    expect(svg).toContain("Flow pipeline");
+    expect(svg).not.toContain("<script");
   });
 });