Added unit tests

Author: pirhoo

test/turbocarto.spec.js

@@ -8,7 +8,7 @@ describe('Turbocarto preprocessor', function () {
   // CARTO might be slow sometime...
   jest.setTimeout(40000)
 
-  it('must transform Trubocarto to CartoCSS', async () => {
+  it('must transform Trubocarto with quantiles to CartoCSS', async () => {
     SqlApiDatasource.prototype.querySummaryStats = jest.fn().mockImplementationOnce(async () => {
       return [ 1, 2, 3, 4, 5 ]
     });
@@ -18,4 +18,37 @@ describe('Turbocarto preprocessor', function () {
     const cartocss = await cl.turbocarto.turbocartoToCartocss(turbocarto, sql)
     expect(cartocss).toBe('#layer { polygon-fill: #ffffb2; [ tabelle1_e > 1 ] { polygon-fill: #fecc5c } [ tabelle1_e > 2 ] { polygon-fill: #fd8d3c } [ tabelle1_e > 3 ] { polygon-fill: #f03b20 } [ tabelle1_e > 4 ] { polygon-fill: #bd0026 } }')
   });
+
+  it('must transform Trubocarto with equals to CartoCSS', async () => {
+    SqlApiDatasource.prototype.querySummaryStats = jest.fn().mockImplementationOnce(async () => {
+      return [ 1, 2, 3, 4, 5 ]
+    });
+
+    const sql = 'SELECT * FROM "erde_pop_2015"'
+    const turbocarto = '#layer { polygon-fill: ramp([tabelle1_e], (#ffffb2, #fecc5c, #fd8d3c, #f03b20, #bd0026), equals); }'
+    const cartocss = await cl.turbocarto.turbocartoToCartocss(turbocarto, sql)
+    expect(cartocss).toBe('#layer { polygon-fill: #ffffb2; [ tabelle1_e > 1 ] { polygon-fill: #fecc5c } [ tabelle1_e > 2 ] { polygon-fill: #fd8d3c } [ tabelle1_e > 3 ] { polygon-fill: #f03b20 } [ tabelle1_e > 4 ] { polygon-fill: #bd0026 } }')
+  });
+
+  it('must transform Trubocarto with jenks to CartoCSS', async () => {
+    SqlApiDatasource.prototype.querySummaryStats = jest.fn().mockImplementationOnce(async () => {
+      return [ 1, 2, 3, 4, 5 ]
+    });
+
+    const sql = 'SELECT * FROM "erde_pop_2015"'
+    const turbocarto = '#layer { polygon-fill: ramp([table], (#ffffb2, #fecc5c, #fd8d3c, #f03b20, #bd0026), jenks); }'
+    const cartocss = await cl.turbocarto.turbocartoToCartocss(turbocarto, sql)
+    expect(cartocss).toBe('#layer { polygon-fill: #ffffb2; [ table > 1 ] { polygon-fill: #fecc5c } [ table > 2 ] { polygon-fill: #fd8d3c } [ table > 3 ] { polygon-fill: #f03b20 } [ table > 4 ] { polygon-fill: #bd0026 } }')
+  });
+
+  it('must transform Trubocarto with headtails to CartoCSS', async () => {
+    SqlApiDatasource.prototype.querySummaryStats = jest.fn().mockImplementationOnce(async () => {
+      return [ 1, 2, 3 ]
+    });
+
+    const sql = 'SELECT * FROM "erde_pop_2015"'
+    const turbocarto = '#layer { polygon-fill: ramp([tabelle1_e], (#ffffb2, #fecc5c, #fd8d3c), headtails); }'
+    const cartocss = await cl.turbocarto.turbocartoToCartocss(turbocarto, sql)
+    expect(cartocss).toBe('#layer { polygon-fill: #ffffb2; [ tabelle1_e > 1 ] { polygon-fill: #fecc5c } [ tabelle1_e > 2 ] { polygon-fill: #fd8d3c } }')
+  });
 });